Thermostats: Cooler than you think!
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5 років томуYou can support this channel on Patreon! Link below
Boy do I have a COOL topic for you today. We’re gonna turn up the HEAT with this one!
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@TechnologyConnections 5 років тому
Some additional information! Firstly, two-stage heating is _sorta_ common so the notion that "there is no medium blast" is _probably_ true but if you have a fancy pants HVAC system, then maybe cranking the heat up _might_ make it go faster. No idea what percentage of homes have a two stage heating system, but I'd guess it's in the 10-20% range. In re: the thermostat wire question. Apparently, to this day, the current going through the contactors that actually turn on the high current loads such as your A/C or an electric furnace's heating elements is carried through the thermostat. So, it's more than just color coding; they are designed to carry some current, and thus need to be a minimum wire gauge. So while Cat5 cable or similar would probably work for most HVAC systems, it might not be able to carry enough current for others (and could, potentially, pose a fire risk under the right circumstances). On that note, and I'm mad at myself for not bringing this up, you might have noticed that in the mechanical thermostat, a separate insulated wire connects the R terminal to the contact on the bimetallic strip. This prevents the current from being carried through the bimetallic strip, which could inadvertently heat it up and prematurely stop the furnace. Neat!
@tfofurn 5 років тому
I have a two-stage furnace, but not a two-stage-aware thermostat. The furnace installer couldn't be bothered to run a cable with more strands, but assured me that the furnace activates the second stage if the thermostat asks for heat for more than a few minutes. I wish I had invested in a 96% furnace instead.
@wellivea1 5 років тому
Two-stage cooling is also a thing, but I'm not sure if it's more or less common that having a multiple-stage furnace.
@hvacguy84 5 років тому
Well Alec there can be a medium blast if you had a variable speed furnace, heat pump or air Conditioner but these systems require special thermostats to work properly
@Bob5mith 5 років тому
Heat pumps with secondary/backup resistance heating are becoming more common.
@hvacguy84 5 років тому
@@Bob5mith I'm an HVAC/R Tech in my area people want 2 stage heat pumps 1 stage of aux 2 heat pump stages so 3 stage heat they make equipment with multiple speeds which is called an inverter
@KurosakiYukigo 5 років тому
"For this, we'll need a toaster." Alec you have a problem. Please admit it.
@Zeragamba 5 років тому
I feel like toasters will be a meme on this channel going forward.
@templebrown7179 5 років тому
@@Zeragamba Ahem, recurring theme. A meme is something different.
@nathantinlow4769 5 років тому
Maybe "toasters" have replaced "pixels"... :-)
@Pants4096 5 років тому
I say we form a religion around this. Alec would be the High Priest of the Church of Automaticity Beyond Belief.
@toninhosoldierhelmet4033 5 років тому
BRING US THE TOASTERS, THE OMNISSIAH DEMANDS
@robertdascoli949 3 роки тому
I always told my wife that setting the heat to 80 is like setting a burrito in the microwave to 10 minutes because you're hungry and want it to cook faster.
@cavvieira 3 роки тому
That's actually a great analogy!
@DavidSmith-rf5je 3 роки тому
I'm not sure it's the same theory when someone is cold. Trying to warm up from freezing temps at 70f will take longer than 80f. Having 80f will warm the body up faster than 70f. It won't make the furnace get to 80 faster, it warms the body up faster.
@quinnbattaglia5189 3 роки тому
@@DavidSmith-rf5je If you mean that being in a warmer room will warm you up faster, then yes. If you mean that in a cold house, setting the heat to 80 rather than 70 will warm you up faster, then no, as explained in the video the same furnace will turn on in the same way.
@FleaNutClaypool 3 роки тому
@@greggoog7559 Hotel heating and cooling is a whole different animal.. Generally massive loops that run through all the rooms from a boiler room. Kicking their heater boiler off is not cheap. The boiler may turn on even if the room never reaches a low enough temp to pump out any air..
@FleaNutClaypool 3 роки тому
@@DavidSmith-rf5je This is the point in the argument that I just start throwing sweaters at people until the house is warm.
@spaceracer23 3 роки тому
When you go up to the thermostat to raise the temperature, what actually happens? .... your dad yells at you for touching the thermostat.
@TEAserOne Рік тому
Yep, this is the more realistic discription of the events
@TheMinecraftACMan Рік тому
"Hey Peter, my thing went off! Your thermostat OK?"
@grants7390 9 місяців тому
I've lived alone for 2 years and when i adjust my thermostat i get a phone call from my dad.
@alexandermcclure6185 6 днів тому
I'll say it for everyone else: "That would be impressive!"
@bruhbbawallace 3 роки тому
12:28 using low playback speed or frame-by-frame is for casuals, i simply paused and unpaused the video repeatedly at full speed
@EricRovelo 3 роки тому
Same
@kilgarragh 3 роки тому
haha < and > go brrrrr you didnt even read that
@chrismanuel9768 3 роки тому
Same
@aluminiumsandworm 3 роки тому
i simply trained speedreading for the entire time since this video came out until now, when i was finally able to read the whole thing at full speed with no pauses
@admthrawnuru 3 роки тому
Me too, lol. At least I read all of it before being convicted as a fun sucker.
@griffmillerii1885 5 років тому
My wife just walked into the room after being gone for a few minutes and said, “Goodness, is he still talking about thermostats?” 🤣
@PallyRadson 4 роки тому
Golly, Beav, Wally's wife never says anything at all.
@mathewmclean9128 4 роки тому
You should have told her to keep her cool LMFAO. Just kidding.
@reyariass 4 роки тому
Did you respond with, “yeah, I think he really likes them, I want to hear more about that toaster”
@Megadriver 4 роки тому
My girlfriend thinks technology connections is the most boring thing ever. I disagree XD
@mattjohnston2 4 роки тому
@@Megadriver she doesn't get his humour, then. You poor bastard.
@AspenFromMarketing 5 років тому
“Go ahead and comment about it, it boosts engagement.” Savage, lmao.
@loganf9701 4 роки тому
never been to this channel, this guys hilarious and informative ....subbed
@tiredHooman 3 роки тому
Time to engage.
@td3993 3 роки тому
As far as "frightfully ancient" goes, I met a woman living in an old farm house with radiant heat whose 1920s boiler was converted from coal to gas long ago. She said that she needed to "get rid of the old thing and upgrade." Her bill for heating her entire farm house was $20 cheaper than my bill for heating a downstairs flat with a 10 year old high efficiency furnace. I told her to keep it.
@stitchfinger7678 Рік тому
hey you can't blame someone for imagining SOME progress had been made in almost 100 years lol
@leogrievous 8 місяців тому
@@stitchfinger7678I mean to be fair. Excluding heat pumps. Energy is energy. Burning gas in a modern heater vs a 1920s heater isnt magically going to create more heat and be "more efficient". What really has come a long way is insulation. Last year We've moved into a brand new house here in Germany, highest insulation rating and all. How little heat we need to stay warm is comical. You can basically stay in a room for 20mins, and just from the body heat, the temperature will have risen a couple of degrees.
@ZeldaTheSwordsman Місяць тому
@@leogrievousI mean, undoubtedly a number of older designs probably weren't the best at _transmitting_ all the heat they produced through the system and heating the _rest_ of the house. In this case, the difference-maker is probably that the system is boiler-powered rather than forced-air furnace.
@matthunter1424 3 роки тому
I used to work in an office building that had only 1 zone on the first floor. One thermostat to control the whole first floor. Everyone hated it! The solution was to install dummy thermostats around the building that weren't hooked up to anything. But the fact that people felt they had some control over the temperature made them feel more comfortable! Bring in the psychologist please!
@reinhard8053 Рік тому
We considered this for our office thermostats, too, as there is no reaction at all. But for us it is no thought of more control but just something to make fun of or just completely ignore. But we have rooms with windows.
@pablojams5152 Рік тому
That’s how a lot of offices do it to this day. Make people think they have temp control but really, nope.
@TheMinecraftACMan Рік тому
Ladies and gentlemen... The placebo effect!
@JoshuaTootell Рік тому
I have "worked" on a lot of AC units that had nothing wrong. After checking everything, I would let the person know "I made a few tuning adjustments, I think it should feel better now. Let me know if it doesn't". I rarely hear back.
@lonestarr1490 Рік тому
@@JoshuaTootell That's why I have trust issues with craftsmen!
@Vertelemming 5 років тому
"I promise this isn't about toast." You shouldn't say things like that. It reduces engagement.
@burmy1774 4 роки тому
"Ignore the blue", that got me paying even more attention to the blue
@TheMinecraftACMan 3 роки тому
HVAC Tech here. Wanna hear a fun story about a furnace that kept blowing its fuse? Yeah, there was a short somewhere on the board in the common side of the circuit, so whenever you connected the common to the thermostat, the fuse would blow. This originally started as me trying to install a Nest thermostat. Imagine hiring an expert to install a new thermostat, only to be told that your furnace needs a new control board. Yeah, the homeowner wasn't happy. I did manage to work out a hackey solution though, that involved wiring the common directly to the common side of the transformer. I should point out that this is NOT a proper solution, and was only a workaround for this specific scenario. If the homeowner's system had also had air conditioning, then this would have been discovered sooner, as well as not been solved this way. For those non experts out there: the circuit that turns on the outdoor condenser unit on a standard split-system AC is also wired to the common terminal on the furnace control board. Were it present, the fuse would have been blowing every time the AC came on. But this was in Breckenridge Colorado, in the house of someone who (rightly) figured that it would be cheaper to run a window unit for the couple months each year that actually required any kind of AC. Because the common was previously unused, I'm at a bit of a loss to how it shorted in the first place, though the two potentials that come to mind are manufacturing defect, or perhaps corrosion on the board.
@Eagle10021 3 роки тому
same
@PhthaloType 3 роки тому
Streisand effect
@laurynrossback1604 3 роки тому
@@TheMinecraftACMan Huh. I had a guy bring in a control board like that and asked me to fix it at a computer store in Denver.
@p0xygen 3 роки тому
@@TheMinecraftACMan why do you randomly comment this under someone else's comment where it has nothing to do with that? No one asked for your story here Just put it in your own full comment
@Tactikill44 3 роки тому
You distracted me the whole time with the “THIS IS NOT A DRILL” shirt
@shawnkovac1042 3 роки тому
haha. me too!
@leslieq958 3 роки тому
drills make holes. hammers can make holes, too. hammer IS a drill
@Tactikill44 3 роки тому
@@leslieq958 ok, i see your point. But you can’t hit a hammer on metal and make a hole. However, you can use a drill bit on a drill and make a hole
@ZTenski 3 роки тому
Sure you can put a hole in metal with a hammer. You're just not swinging hard enough.
@Tactikill44 3 роки тому
@@ZTenski haha yes
@squiggle2054 3 роки тому
"Bro can you turn it down its a little hot in here" "Oh yeah sorry gimme a minute forgot to charge my thermostat"
@stevenpotter8228 3 роки тому
lol
@Jaymac720 3 роки тому
That actually happened to me. The thermostat in my apartment runs on batteries. There isn’t even a C wire. I checked. Also it’s mounted sideways for some reason
@CaptainApathetic 2 роки тому
@@Jaymac720 it might be a wireless unit, some newer installations use them, especially for multi unit housing and commercial buildings
@MrKelsomatic 5 років тому
"Blue does nothing. Ignore the blue" Sometimes your videos make me feel like I'm in an Orwellian dystopia.
@Bizarre-Daniel 5 років тому
Hey stop thinking about the blue one. He told you not and you don't want to betray alec right?
@Negative13Prod 4 роки тому
Blue is common. It powers the thermostat. No batteries needed
@Bizarre-Daniel 4 роки тому
@@Negative13Prod THE BLUE DOES NOTHING! IGNORE IT.
@dannypeck96 4 роки тому
Making half of OSP cry
@Yahriel 4 роки тому
THERE IS NO BLUE WIRE. YOU SEE NOTHING.
@LGR 5 років тому
Cooler than I thought indeed, what a hot topic. Feeling grounded now, despite not being a common subject!
@CFSworks 5 років тому
Hey LGR, didn't realize you were a fan too!
@5.43v 4 роки тому
@@CFSworks I mean, who isn't a fan of this channel
@morganrussman 4 роки тому
@@CFSworks neither did I.
@renakunisaki 3 роки тому
These puns give me chills.
@cavvieira 3 роки тому
LGR sighted!
@joeshmoe7428 2 роки тому
I like how he always points out tiny details in an attempt to prevent unnecessary comment section drama
@tanya5322 9 місяців тому
I suspect that is something he has learned the hard way over the years.
@legalize420 5 місяців тому
It boosts engagement 😁
@aawillma 2 роки тому
I had to rewire my furnace yesterday to install a smart stat. I watched hours of video about hvacs, and yes, my furnace is frightfully ancient, it turns 50 next year. I was DEEP into the learning process, bought wire and tools from the Depot, looked up 50 year old schematics, and did it. It was all really new to me and I wished I had a smart but straight forward "beginner's" explanation. And then I found this video today and it turns out I had watched it when it came out... Anyway I successfully retrofitted grandpa hotness and it was probably this video deep in my memory that helped me out so thanks!
@biologicalagent 3 роки тому
Ohhhh, that’s what the blue wire does!!! (Engagement boosted)
@hellocreeper88 3 роки тому
I’m boosting the engagement of you comment
@renderproductions1032 3 роки тому
This comment needs boosted engagement from yours truly.
@tabbyteacat 3 роки тому
boosted!
@biologicalagent 3 роки тому
@@tabbyteacat boooosted!
@LightS_bRight 3 роки тому
2:02
@Sypaka 5 років тому
UKposts recommend: Thermostat Me: Why would I want that? > Technology Connections Me: ok.
@meathunderify 5 років тому
This guy is such a pleasure to watch. Did *you* expect to be enthralled over a toaster tear-down? No you did not. :D
@ouroya 5 років тому
They're cooler than you think!
@imawsome6 4 роки тому
SO TRUE! lol
@marscaleb 3 роки тому
If you want to control different temperatures in different rooms, you don't need a complicated system of shutters in your ductwork. All you need it to have a separate furnace for each room!
@ASAVSP 10 місяців тому
The fact that radiators actually do this effectively lol
@michealpulkka6809 3 роки тому
"Off blast", my favorite level of furnace blasting
@seneca983 2 роки тому
"Off blast" -Zlad
@Alex_dlc 5 років тому
"There is no medium blast" would make a good shirt
@volvo09 5 років тому
Sounds like me as a kid..... "DAD!, is there such thing as medium blast? What about small blast?"
@ovalteen4404 5 років тому
Then when you get tired of the fan running at all, you turn it to "off blast".
@AttilaAsztalos 5 років тому
Memetastic (slightly legally-challenged) version: "Do or do not. There is no medium blast!"
@alessandroceloria4573 5 років тому
Thermostat be like: "Go hard or go home"
@dlxmarks 4 роки тому
That would confuse the large mass of people that think all controls are analog. These are the same people that tap the call button repeatedly to make the elevator arrive faster.
@bibasik7 5 років тому
"Oh, and if you're about to write this in a comment to save people the trouble, you're a fun sucker and sucked the fun right out of this gag. I hope you're happy." -Technology Connections
@melmelhodgepodge3800 5 років тому
C O N V I C T E D F U N S U C K E R
@grn1 5 років тому
I literally paused it just to see that exact message. Didn't bother reading the rest.
@MrSonny6155 5 років тому
Was seriously considering just writing out only this latter half for the continuation of the gag, but then I realised I couldn't be bothered so I took the lazy option and waited for someone else to do it.
@easymac79 5 років тому
@@grn1 That kind of defeats the purpose though? I read it, it was a very sad story, lol.
@markp4967 3 роки тому
As a mechanical guy, familiar with HVAC, I never realized how much thought (or lack there of) went into the common thermostat. Thanks for the video - it was a hoot!
@vaseasun 2 роки тому
For those of us where heat pumps are common: the Emergency Heat electric heat strips are also called "Aux Heat". On even basic 30-year-old thermostats, Aux Heat is usually triggered if the setpoint temperature is 3 deg F above actual temperature. In this instance, turning the thermostat up above a 3 degree delta will actually heat faster, but use much more electricity.
@StrokeMahEgo 2 роки тому
I've seen places where "heat" is the heat pump, and "aux heat" or "emg. Heat" are from a gas furnace. Which is probably a decent idea for places with poor electrical infrastructure, where a lot of resistive heat might break the grid. (Like, say, Texas)
@itptires 2 роки тому
Yes exactly this. And much more difficult to find Smart thermostats and programmable thermostats. We have a heat pump with a relatively basic digital thermostat but it's not programmable or anything, have a new programmable one just waiting to install will be so nice, because right now I wake up in the morning and turn the thermostat up 2° then wait 20 or 30 minutes and turn it up another 2°. Just to avoid triggering the "Aux" heat. Can't wait to program with the app a nice smooth increase
@MrAwawe Рік тому
What place uses both heat pumps and Fahrenheit?
@Owen_loves_Butters Рік тому
@@MrAwawe The southern US (although they are used some in the north, even Alaska)
@adrianflynn2828 Рік тому
@@Owen_loves_Butters my 2018 construction apartment in philly has a heat pump (and no aux heat, so i hope it doesn't get too cold lol)
@electric_sway 5 років тому
I predict millions of views on this video. Dads everywhere will show this video at the next family meeting because the electric bill is too damn high.
@Clay3613 5 років тому
@@krinohs My father is always telling to me change it because he was too lazy to get up.
@digitalfootballer9032 5 років тому
I don't know...it will take electricity to actually show the video. They will request written transcripts and pass them out.
@chrism3784 4 роки тому
Glad my dad did not have the technology of smart phone thermostats of today. Could see it at work. I would make it warmer when he was at work, and dropping it back colder before he got home. I am talking about a/c, my dad liked it to cold, lol
@geoffmooregm 4 роки тому
Some days I'm tempted to pop the thermostat off and take it to work. But when I think it through I realize the gas fireplace will just be on high all day long. I have gone as far as shutting the gas valve off on the fireplace and every time my wife asks to turn it on I say yea I'll get to it. I come home one day an its on...Just because. WTF? I turned it off... Turns out they will just figure it out themselves. 🤔 So now if I steal the thermostat I bet I'll come home and find a jumper wire in its place 🤣
@rogermwilcox 4 роки тому
It's not the kids that made this mistake in my household. It was my mom. She'd get up in the morning feeling too cold, and crank the thermostat up to 80 degrees Fahrenheit because she wanted to warm up "quickly." Every. Damn. Time.
@zach9940 5 років тому
"One of my favorite things is when i discover a connection between two seemingly distant technologies." [LONG PAUSE] 😆
@milamber319 5 років тому
In the Closed Captions it says "[pregnant pause]" LOL
@FrothingFanboy 5 років тому
I didn't get that until it was written out. :P
@johnnylav 5 років тому
@Shahin Parsay The name of the channel.
@viperbite18 5 років тому
he fuckin got me there
@VacentViscera 5 років тому
This guy and Calculon need to start a public speaking class...
@CaitieLou 2 роки тому
My dad was in the HVAC business for 40 years, so I grew up knowing the thing about furnaces not heating faster no matter how high you set the heat. It led to some rather heated (lel) debates with roommates in college.
@TheDeadheadable Рік тому
If you have a 2 stage furnace connected a two stage thermostat. Turning up the heat higher will send 24 volts to W1 and W2 telling the furnace to go straight to high and skip low. So it will get warm faster.
@melmoomlem7321 Рік тому
@@TheDeadheadable is that going to exist in a dorm or cheap apartment tho?
@grants7390 9 місяців тому
no one in my family worked on hvac stuff and i always knew that. assumed it was common sense and everyone knew it.
@Shinkajo 5 місяців тому
@@grants7390never assume anything about common sense
@Jake-yx7me 2 роки тому
I’ve done HVAC for almost 6 years now and this guy could seriously be an instructor and I doubt he’s had any proper training but man he knows more than the average joe 😅 good stuff! 👍🏼
@Ranarith 5 років тому
"how can you make a dumb furnace do that?" That poor furnace. He's trying his best, you know.
@dineauxjones 5 років тому
I know right? The furnace doesn't know any better. Just doing it's job by making things hot.
@mjafar 5 років тому
It's not dumb, just thermally challenged. That's more PC
@d3xbot 5 років тому
++
@Lariat_V 5 років тому
Did I plan on watching a video about thermostats at 4am? No. Did it happen? Yes
@stephblackcat 5 років тому
Better question: Did you enjoy it?
@Lariat_V 5 років тому
@@stephblackcat yes, yes I did
@cyberyann 5 років тому
Welcome to the proud nerd community! :) I definitely relate!
@chartle1 5 років тому
@@Lariat_V More or less than Toasters. I'm in the less camp. :)
@insylem 5 років тому
11 PM for me
@paulpeterson6565 3 роки тому
My ears perked up when he mentioned how thermostats can be compared to really slow Pulse Width Modulation (PWM). That's a very smart comparison! I was installing LED strip lighting under my cabinets and needed to install a PWM dimmer. I only knew I needed one, but my curiosity got the best of me, and I just had to research how exactly they work. It's a fascinating concept, essentially flashing LEDs rapidly enough to trick your eyes into thinking it's a "dimmer" light. This concept of eye trickery seems to be a common theme with Technology Connections (such as in the awesome mechanical and analog television demonstrations), and I find it interesting how we can take advantage of what our human eyesight cannot see. Anyway, back the topic of THIS video, excellent job describing the simple, necessary, and ingenious technology behind thermostats!
@tanya5322 9 місяців тому
Thank You! I have had the sense that my new range hood (with led lights and two brightness settings) was behaving like a nearly imperceptible strobe light. My husband doesn’t notice it, but I do. I’m guessing this must be why.
@ahmadrtube 2 роки тому
Ecobee has something along the lines of “turn on for one cycle”. When you manually change the temperature (depending on settings), it can hold it for a specific duration (say 2 hours) before reverting to the default l
@josipcuric8767 4 роки тому
Temperature: gets 1°C below the desired one Thermostat: *H E A T N O W*
@ScrambledAndBenedict 3 роки тому
Temperature: Reaches target heat Thermostat: Ok stop heating. Temperature: gets 1°C below the desired one Thermostat: i.imgflip.com/38hm3e.png
@BoredGeese 3 роки тому
I read this with Arnold Schwarzenegger’s voice 😅
@jackhewitt7902 3 роки тому
vjfajardo0728 HEAT! HEAT THE ROOM NOW!
@TheGrinningViking 3 роки тому
Sometimes there's a lag of a few degrees to stop it from kicking in constantly, particularly in forced air systems with an audible fan.
@williamholder1675 3 роки тому
This is my fav comment
@fakjbf3129 4 роки тому
The thermostat in my apartment was acting up a couple of weeks ago. I took off the cover and saw the coiled spring, and that reminded me of this video. Knowing the basic functionality, I saw that the spring was covered in gunk so it couldn't unwind properly. So I used a can of compressed air to gently clean it off and it worked fine after that. If I hadn't known how the coil worked I would have had to call the maintenance person to come take a look, but thanks to you I was able to fix it myself!
@boydmanuel9257 3 роки тому
Gotta keep that coil gunk-free.
@BallinButAtWhatCost725 2 роки тому
Yeah I literally had that exact thermostat in the apartment I used to live in. It used to act up all the time, sadly it seems I’ve gotten to this video too late.
@njjeff201 2 роки тому
You’re A LOT smarter than the dumb asses that can’t fix my LG fridge! I finally found out there was a massive recall & they didn’t want or know how to do it
@Soepsliert 3 роки тому
How about modulating thermostats using e.g. OpenTherm? This can be used in a furnace with a throttling valve or in a water central heating system to regulate the circuit input/boiler water temperature. Not just medium blast is possible in this case, but also x blast, with x somewhere between 5-100% power.
@scottishrob13 3 роки тому
I don't think I've ever lived somewhere without the mercury-style thermostat (Canada btw). Which, considering how long it's been since they made them, really speaks to their longevity.
@kevinchastain727 Рік тому
I have salvaged them from many old systems and still use them they work great.
@robbobthecorncobjriii8195 8 місяців тому
The apartment I just moved out of had one of those
@SDRob01 5 років тому
"It runs on full blast because that's the only degree of blast that a furnace can run." 🤷♂️
@FrothingFanboy 5 років тому
As far as I can tell, this also applies to blast furnaces.
@johnnylav 5 років тому
Blasted things.
@Skipperthekitty 5 років тому
"There is no medium blast."
@tuyhhf 5 років тому
@@Skipperthekitty Only full. And off. Off blast.
@jfbeam 5 років тому
While certainly a cool statement, it's only partially true: multi-stage heating systems have existed for years.
@K-o-R 5 років тому
"A convicted fun sucker". Take care when saying that out loud.
@incompetencelogistics8924 5 років тому
I actually didn't know < and > allowed you to look at each frame
@iamise 5 років тому
@@incompetencelogistics8924 Same, I'd seen ppl use it on streams but never knew the keys.
@maxximumb 5 років тому
@@incompetencelogistics8924 There's quite a few keyboard shortcuts for youTube on desktop... sites.google.com/a/umich.edu/u-m-google-170816/accessibility/google-keyboard-shortcuts---youtube
@iota-09 5 років тому
Still, I'm watching this from a ps4, best i can do is go forward and backwards in increments of ten seconds, or quickly press the option button to pause and play feame-by-frame...
@Refrigeraptor 5 років тому
@@iamise I just set the playback speed to 0.25 and paused it when needed.
@crazydrummer181 Рік тому
I was having a rough day and that shirt gave me a much needed chuckle right from the start.
@gordonbowe 3 роки тому
Re: one cycle heat / cooling, I think honeywell programmable ones can do this. Essentially you could either program the thing with daily high low holds or permanent holds in the menu, but if you simply went up to the thing and pressed the + / - buttons it would say something along the lines of "temporary hold - 1hr" or something. I'm not sure the exact model but I would guess that most "older style" programmable thermostats can do this.
@yael3326 5 років тому
I legitimately did not know about using < and > keys to move frame by frame on youtube. i felt dumb
@EvenTheDogAgrees 5 років тому
Neither did I, but then again, the people at Google don't seem to know that the rest of the world does not use US-QWERTY (the fact that it literally has US in the name apparently didn't tip anyone off)... So yeah, I can press the comma to go back one frame, but in order to press the dot to advance a frame, I need to press shift-semicolon. Which means nothing.
@Shaun.Stephens 5 років тому
It doesn't work for me. I hit 'K' to pause and the < and > keys jump 5 seconds rather than a single frame. (Firefox 66.0.5 on Windows 10.)
@EvenTheDogAgrees 5 років тому
@@Shaun.Stephens Are you pressing the shift key? From what I looked up online it appears those characters are on the comma and period keys, but shifted. The keys you need to press are actually comma and period; see the help screen that appears when you click your profile pic in the top right, and select "Keyboard shortcuts" from the dropdown.
@johnfrancisdoe1563 5 років тому
Juan Rial So it's not < and > except on some minority of machines that happen to be common in California.
@Shaun.Stephens 5 років тому
@@EvenTheDogAgrees When I press the shift key in combination with the ,/< and ./> keys the playback speed changes. Thanks though.
@Scum42 5 років тому
I literally just discovered this channel, and I love it. What's that? "You're just commenting for engagement?" No, I don't know what you're talking about.
@astasaidak7736 2 роки тому
This is some of the best content on UKposts! The way your videos explain all the mundane technology we take for granted is so riveting and informative! Your way of explaining is so clear and concise, I finally understood enthalpy! I would have never thought to look into how all of these appliances work, but I’m so glad I did, I’m able to understand the world around me better due to these videos and I’m very grateful. Keep it up and I can’t wait to see more content! 👍👍👍👍
@davesailing2004 3 роки тому
A lot of UK thermostats allow a "boost" feature that usually puts the heating on for 30 mins but not override the thermostat temp. Especially as we have more often than not thermostatic radiator valves that regulate temp in individual rooms
@dthompson1450 4 роки тому
“ The Technology Connections Centre reminds you that the bimetallic coil thermostat will never threaten to stab you, and, in fact, cannot speak. In the event that your thermostat does speak, the Technology Connections Centre urges you to disregard its advice. “
@warrenduree9417 4 роки тому
"While it has been a faithful companion, your bi-metallic coil thermostat cannot accompany you through the rest of the test. If it could talk; and the Technology Connections Center takes this opportunity to remind you that it cannot; it would tell you to go on without it. Because it would rather die in a fire, than to become a burden to you."
@EdwardTriesToScience 4 роки тому
Apeture Science companion cube safety warning reference.
@insanejughead 3 роки тому
Rolling in laughter at this, I am!
@SuS_NuG_It 3 роки тому
This should be a mod.
@smallmoneysalvia 5 років тому
There’s a speed setting on mobile. Set it to 0.25x and pause every screenful to read. On desktop, pause and use the “” keys to advance or rewind frame by frame. Now next time technology connections or any other silly youtuber decides to do the fast scrolly texty boi, you’ll catch their hilarious gag.
@Basti5792 5 років тому
fun sucker :P
@faceplants2 5 років тому
Lol you are indeed NOT a convicted fun sucker. Good thing you didn't type out that entire block of text just to get trolled in the last paragraph.
@DEMENTO01 5 років тому
Note: In EU keyboards are the "," and "." keys
@iota-09 5 років тому
Is there a solution for viewers from console?
@zoebytes 5 років тому
@@DEMENTO01 Not just EU keyboards. I'm using a US keyboard with Firefox on Linux and it's , and . for me too (< and > do speed).
@creeperthekingcreeper8234 Рік тому
love the toaster oven story! Really enjoyed hitting space constantly to read everything you wrote.
@cchen325 3 роки тому
God damn, I forced all my children watched the whole video, so they can stop turning the thermostats either to the lowest point or highest point everytime they got home from school.
@AzuriteCoast 3 роки тому
Did it help?
@edwardchew5139 3 роки тому
@@AzuriteCoast yes
@particleman5893 2 роки тому
@@edwardchew5139 You're not their father
@Joshua-gt7pz 4 роки тому
" There is no medium blast. There is only full blast. And off." Rolling 😂
@dizzywow 4 роки тому
@Leon thecat Mine has medium and full blast heat.
@ejstark360 4 роки тому
Just like my ex wife.
@millomweb 3 роки тому
Mine's completely variable between something like 40% and 100%
@torperator1555 3 роки тому
Y'all laugh about the strangest things.
@larrynutt1581 3 роки тому
there are actually some units that have second stage heating and cooling, that's what you see W2 and Y2 for. But that is more like full blast and double blast.
@erictaylor5462 5 років тому
"This is not a drill." Of course it isn't. It's a t-shirt.
@Tommy-pv1vh 4 роки тому
Lol
@Asu01 4 роки тому
I need a shirt that has a picture of a soldering iron instead. It just hurts when clueless people use soldering iron to make a hole on plastic instead of using proper drill.
@ryandolan8522 4 роки тому
I just got the joke :)
@rob5918 4 роки тому
It looks like a hammer to me.
@platypusdreamtime 4 роки тому
Is it not a reference to the "This is Not a Pipe" painting by Magritte, The Treachery of Images? Wikipedia has more here en.wikipedia.org/wiki/The_Treachery_of_Images if you're interested.
@LucienHughes 2 роки тому
In the UK where HVAC systems are atypical in domestic settings and most households have radiators in each room, most systems have a wireless thermostat which you place in a room of your choice and which communicates to a receiver wired into the boiler (furnace). This means you can shut off the radiators in every room except one, place the thermostat in there, and only heat that room if you so desire.
@coreypowers2988 3 роки тому
Regarding the temporary change to the cycle commands (question at the end): it's not exactly the same, but some of Honeywell's "dumb" thermostats that have a scheduling function can sorta kinda work like this. I used to have one on a M-F and weekend schedule. Adjusting the temperature control outside of the scheduling would result in it running the heat to the new temperature but it would reset to the schedule at the next scheduling increment. This could be greater than just like a half hour or so (or 5min if it's right before the next scheduling increment), so different. But it did allow you to make a temporary change and the thermostat would correct itself automatically in time
@Scotty_in_Ohio Рік тому
I think you and I were the only ones who actually programmed these thermostats - used to drive my wife crazy when she'd set the temperature up or down to her preferred temp only to have "someone" change it back a while later... She never did figure out what that switch labeled program / manual was ;-)
@deevs3973 5 років тому
I Service HVAC systems on passenger trains, and everything is preset and automatically controlled. The system is set to run the heat or A.C. as needed to achieve the preset temperature. There is no way to change it other than turning off breakers, which are located under the train car. They do include an override button, that runs the A.C. for 20 minutes to cool off the car in the event there are a lot of passengers. 100 people have a lot of BTUs of heat. I thought I'd provide that little bit of insight since you asked of anyone knew of a thermostat with the feature of running and then returning to the set temperature.
@phils4634 5 років тому
Something that most people don't realise. The average human generates about 100w of heat, so a train carriage full of your 100 people (probably relatively lightly-clad since it's warm) will generate 10kW heat (which is approaching the rated capacity of many "whole-house" ducted a/c systems). Add in thermal gain from the exterior (heat leakage via windows, opening doors, and solar gain from roof irradiance) and the a/c requirements can be very significant indeed.
@Shaun.Stephens 5 років тому
@@phils4634 Hmmm.... So if I want to lose weight should I *not* put on those extra layers of clothing in winter and lose weight as heat? That 100w of heat isn't constant right? The body thermo-regulates... I'd rather be cold than go to a gym.
@johnfrancisdoe1563 5 років тому
Shaun Stephens Well, grow yourself some extra fat for better insulation. If you ever run out of food or suffer indigestion, you can burn the fat as an emergency energy source.
@phils4634 5 років тому
@@Shaun.Stephens Surprisingly, YES! Your basal metabolism produces about 100W heat even sitting still, and exercise (even gentle walking) can easily add another 100w. There have been a number of physiology papers indicating that you can train your body to tolerate pretty low temperatures without shivering, and this seems to be related to increasing the number of Brown Fat cells - these are very important in a process called "non-shivering theremogenesis", and people who live in colder climates have a lot of them. If you can manage to tolerate cooler conditions (especially at night), you can encourage production of brown fat cells, and in effect lose weight whilst you sleep (in theory at least). The problem is that we're also hard-wired to crave more calories as the temperatures drop, so you'll also have to be careful with what you eat. This reflex response to cold is the major reason why people gain weight over winter (our bodies are programmed to maximise energy stores under such conditions).
@iskandar4254 5 років тому
@@Shaun.Stephens It depends on how cold it gets. Winter in the lower 48 states of the US likely won't do a whole lot. However, in the Antarctic research stations, caloric need effectively doubles. So, yeah, want to lose weight? Move to the polar circle.
@nonchalantree6604 4 роки тому
Fine, then I guess I won't type in the very inconveniently long text at 12:25 (I really don't want to no matter what). Instead I'll tell you guys what he wants me to say; use the speed in the player's settings or if on desktop use < and >. There, I'm not a fun sucker. Pfft.
@ccccool34gf61 4 роки тому
*slow clap* good game
@nelsonbrum8496 4 роки тому
Merde!
@Stilgarsan 4 роки тому
@@nelsonbrum8496 Does ayone know how to do this on a qwertz keyboard?
@nelsonbrum8496 4 роки тому
@@Stilgarsan Why are you asking me? OP already covered it.
@cloroxbleach3023 4 роки тому
@@nelsonbrum8496 oh a random Reddit user
@AlexSword13ch 4 місяці тому
Regarding your last question, yes! There are thermostats that do it. I have one. They run on a schedule but I can manually override the program and set a higher temperature if i want it. Once the next temperature on the schedule comes on, then it ignores my input and goes back to normal temperature by the schedule. It's pretty neat!!
@teundilles 3 роки тому
Here in Europe, modulating thermostats and boilers are pretty much standard by now. These do change the output and temperature of the water according to the set temperature and the current temperature in the room. With boilers and circulating warm water, this will apparently save quite some energy.
@TheLawrenceWade 3 роки тому
The last comment on a mode where the thermostat goes to a new set temperature after you've mowed the lawn: That would be the "Hold" mode on most Honeywells programmables. Just hit the temperature buttons up or down and it will hold the new temperature for 2 hours, then resume its program. You can also set the Hold mode for longer periods, perfect if you're going away on vacation for two weeks, let's say. Thermostat wire is special. I live in Canada, but things are similar in much of the United States. If the thermostat fails, your furnace never gets the call for heat and your pipes freeze causing a huge amount of flood damage. The wire is low-voltage rated and has a FT rating printed on the jacket - that's Flame Travel, to tell you whether or not a furnace fire can spread to the rest of your home via burning thermostat wires. Also, being different enough from ordinary NMD house wiring, it's hopeful no one would try to connect a household thermostat directly to the 120V line - but it does happen where baseboard heaters are common. Don't trust the wire colors as standards - they should be but they're not. Always label the wires as you take them off the old one and put them on the new one. If you lost track, go down to the furnace and look at the control board. The R terminal on the furnace must be connected to the R terminal on the thermostat, and so forth. When you run into W1, W2, W3 or Y1, Y2, Y3, you're dealing with a multistage setup. They're becoming common on high-efficiency residential furnaces here in the snowbelt. W1 turns on the furnace, one burner. W1 and W2 turns on the furnace with two burners.... you get the idea. Multistage heat is a lot more common than multistage AC because gas valves and igniters are cheaper than compressors and condensers, but you might see multistage AC moving into places where there have been energy efficiency incentives. Take your old mercury-bulb or other pure mechanical thermostat and mount it in the utility room where your water service enters your house. Set it to heat and set it at an indoor temperature you'd find unpleasantly cold - lowest setting. Connect its R and W terminals in parallel with your new programmable or smart thermostat, you might even be able to run the wires directly to the furnace. Your old thermostat will be there silently ready to command the furnace to turn on if your new thermostat gets dead batteries or suffers a software crash (or a hack!) while you're away on a ski vacation. It will keep your pipes from freezing.
@RobertBarth1 3 роки тому
In hot states in the US, multi-stage A/C is fairly common to cut down on electricity costs (by 1/3 with a two-stage compressor!). We also have a variable speed fan.
@imark7777777 3 роки тому
Great information. I would recommend doing the same for hot climates? also worth noting that there's been occasional issues of furnaces not ending their heat cycle and melting things due to thermostat crash(hack?). If you're going to the troubles to replicate this a high temperature cutoff might be a good idea.
@REWYRED 3 роки тому
I like that idea of having the second backup mechanical thermostat... Good cheap insurance for those that go away for days at a time.
@luigig44 3 роки тому
@@imark7777777 In that case you could also use the old mechanical thermostat, but wired in series. E.g.: You want your house at 72 F, so you set that in the Nest thermostat. Then you run the heating wire through the old thermostat which is set at it's maximum (90 F). If the temperature ever reaches 90 F it will open the circuit, stopping the heating.
@j.w.8663 3 роки тому
Good info here. However, I wonder about the proportion of only furnace problem fails compared to pure thermostat failure.
@remigusker6024 5 років тому
"I promise this isn't about toast." (X) Doubt
@JediPeaceWalker 3 роки тому
Today, I learned the other use for the angle bracket keys outside of coding. I love this channel.
@user-xn8vh7ef4p 2 роки тому
Pfft!! 🤣 I truly enjoy your sense of humor and the eloquent sarcasm in your delivery. The fact that you dive deeper than 98.5% of the other channels out there is the “icing”! Thank you.
@TheSonicadam132 5 років тому
My dad senses are tingling, no touching the thermostat!!!
@JoelIvoryJohnson 5 років тому
Family Guy reference? 🙂
@takeshikovax6254 3 роки тому
Ecobee thermostats can be configured so that when you manually change the temperature, it will hold the new set-point for a configurable amount of time, then go back to the scheduled set-point. I noticed that it turns on the second stage cooling if the current temperature is ~2F above the set-point or if stage-1 cooling was running for ~20 minutes.
@peacedolee 3 роки тому
Oh, wow, the advice about the frame-by-frame navigation with < and > on a desktop was really helpful. Today I learned. Thank you!
@deamoncohln9506 5 років тому
"Ignore the Blue one, we'll come back to that" Me, HVAC Guy: heh heh heh
@majortom4543 5 років тому
High velocity average car guy
@TEHSTONEDPUMPKIN 5 років тому
I knew a guy who was color blind and for some reason boss let him put on thermostats. Can't tell you the amount of times I had to go back and fix his fuck ups! XD
@brycelindseth5965 4 роки тому
Most HVAC guys dont even hook it up even when the stat had the terminal for it. They would rather run it off battery for some insane reason
@steelbender1457 4 роки тому
@@brycelindseth5965 there is a very simple answer for that... Most cheap stats with a c terminal do not have a disconnect switch between the battery supply and 24v supply... So in most cases its easier for the customer to just change batteries rather than risking the chance for the batteries to send a strange interference to the furnace or equipment causing issues that most hvac guys would rather avoid... Most hvac guys like myself prefer either c required stats no batteries or a batteries required cheap stat....
@RedRider2001 3 роки тому
@@steelbender1457 I'm glad you explained that, my head was about to explode. Fortunately, my new Honeywell thermostat uses the C wire and my installer said it required it, so no batteries in mine.
@redtails 5 років тому
Amazing how you were able to avoid saying "feedback loop" for 15+ minutes on thermostats
@patrickbroyer5518 4 роки тому
I was waiting for the explanation of the heat anticipation adjustment and how it effects the duty cycle along with the screw on the contact effecting the hysteresis and the two working together. Then I was sure he'd give the nod to the people who turn it way up to get it hot faster in that as the temperature approaches the set point it does start to cycle off periodically. Then I figured we'd here all about the algorithms that accomplish the same results without a heater in the thermostat. Still a very good explanation.
@ewicky 2 роки тому
@@patrickbroyer5518 Indeed these nuances exist on a finer scale (maybe within a couple degrees of setpoint) but the principle of "cranking it to 80 doesn't heat faster" stands. I don't think you or me are the intended audience, as stated at the beginning.
@8546Ken Рік тому
@@ewicky I don't think it does stand. My Nest thermostat has proportional PWM control. If the set point is only 1 deg above the room temp, the furnace wll cycle on and off every couple of minutes. if the set point is 10 deg above ambient, the furnace will run continuously for for a longer time.
@emmettjohnson142 3 роки тому
16:51 mine does. It has a button to switch between heating and cooling, but also a button to switch between set temperature, off, and full blast until you tell it otherwise. You can also tell it to do something like run ac for 30 minutes. Its nothing fancy either, barely more advanced than the digital one you showed, but just with more functions coded in.
@kennethgreer 3 роки тому
Your scripts, delivery, and edits are so good. I could watch you explain anything.
@IgnoreMyChan 5 років тому
There's a damage message at 2:47! You should really look at that!
@CaveyMoth 5 років тому
That's a lotta damage!
@frogz 5 років тому
and here i assumed that alec planned to add the message, my bad!
@MegaNardman 5 років тому
Technology Connections busts out a toaster: "Oh man, shit's about to get good!"
@dragonsword7370 5 років тому
Hey, that auto toaster Was pretty awesome!
@Dalemoooooon 5 років тому
I was a little disappointed when he said he was going to talk about the single purpose receptacle and not the sliced carbohydrate media to be partially burned for our enjoyment.
@neyoid 5 років тому
Illinois man still going insane over toaster
@fakeflowers9062 5 років тому
@@neyoid x cer x. Cs e x c
@jonathanberry9502 5 років тому
That guy is all toaster, but no toast!
@-OBJ Рік тому
Thank you for telling me that move one frame at a time! Very handy
@wilbur9416 2 роки тому
I'm so glad you got something in about the Mercury switches. Growing up the thermostat was in the hallway outside of my bedroom and I would turn it up take the cover off and watch the Mercury switch
@hatsjer 5 років тому
For those who have problems reading the explanation at 12:20 You can go frame by frame by using , and . (or in his case < and >)
@DryLog420 5 років тому
Thanks! you're not a fun sucker :-D
@dennisritchie6132 5 років тому
Remember, you must be paused for it to work. Also, this makes reading those single-frame messages *way* easier now that I don't have to set the speed to slowest and spam the spacebar, hoping that if UKposts skips a frame or two, it doesn't skip the frame I *wanted* to see.
@buddyclem7328 5 років тому
Where are those buttons located on my mobile phone? /sarcasm
@sarah1390 5 років тому
Another Non fun sucker here. I forgot where I learned about the Arrow keys but I believe I learned about them going through the help pages for another reason and wandering past the article that contained keyboard shortcuts. I primarily spammed the spacebar at the lowest speed to catch what I wanted. Now I use this technique for catching glitches either intentional or editing mainly on Jacksepticeye's channel. The digital age sure has made stop frame gags a lot simpler to catch.
@jackb7705 5 років тому
Not sure if it's just my browser, but my experience of the frame by frame is a bit buggy. Sometimes it just freezes 20 frames ahead - so you miss the content and you have to hit the button 20 times to keep moving forwards.
@YamiSatoshi 4 роки тому
Are you aware that your furnace is damaged? (I'm making this comment for the sole purpose of boosting engagement.)
@breightonlarsen2152 4 роки тому
Consider engagement boosted.
@fisheye42 4 роки тому
“Excuse me, Sir, is your furnace running?” ... ... “Well, You’d better go catch it!”
@Mardox91 4 роки тому
Truth to be told, I'm not sure what is the damage; maybe the brown cable?
@Acorn_Anomaly 3 роки тому
@@Mardox91 The slightly rusted section, I think
@goldenpun5592 3 роки тому
Shift the comments into *MAXIMUM OVERDRIVE*
@dogbots159 3 роки тому
Ecobee does the feature requested at the end. You set a cooler temp, and it either auto resets back to your schedule after whatever time you set the default to, and you can just tap a button on thermostat or phone (or tell any smart assistant) and it puts it back to schedule. It’s perfect honestly. 30 minute reset and it’s a perfect cooling cycle.
@jeffreymontgomery7516 3 роки тому
LOL Love the reason for the stand-in for the toaster oven! and for those who want to see it, use , and . to go frame-by-frame... (the < and > keys but don't use shift or you'll change the speed of the video, not go frame-by-frame when frozen.)
@YouNeedToCalmDown76 5 років тому
"I turn it up because it heats up quicker" - The amount of people that think this is infuriating. Thank you!
@griffith211 5 років тому
- my wife
@griffith211 5 років тому
And stepdaughter
@davidwayneprins 5 років тому
I used to work at Menards (think Home Depot or :Lowes but limited to the upper midwest). Had many people ask about an "Express" setting when shopping for a new thermostat. Pretty much gave the same explanation as the video that it is a longer run time that gives a longer temperature swing.
@johnfrancisdoe1563 5 років тому
Rick White Actually depends on the physical layout. If the thermostat is located between you and where the heating/cooling is, telling the thermostat to make it hotter / colder where IT is will change how fast it gets hotter / colder where YOU are. Other similar situations exist. Of cause if the difference between the "turn on/off now" points is large enough, it might oversteer enough to get your location hot/cold enough anyway.
@floyd2386 5 років тому
I honestly never heard anyone say or do this. I thought it was pretty much a given. Guess not.
@OAleathaO 4 роки тому
12:29 - For a brief second there I almost thought he went out and bought 3 identical toaster ovens...lol. And let us all be glad that at no point does he say that you put toast in a toaster. ;)
@bertcochran1770 3 роки тому
You're beautiful.
@39satcom 3 роки тому
Would have been good to put a load in that toaster oven, like chocolate pudding.
@Fulano5321 Рік тому
I've seen commercial thermostats that have a "temporarily occupied" setting that lets you change the temperature for a three hour period. It can be used for what you mention because you just turn the temperature the direction you want, then back to where it was, and it will run through a cycle.
@breadbutt 3 роки тому
I'm glad someone brought up mercury switches. I kept waiting for you to talk about them, the majority of apartments I've lived in had mercury switch thermostats.
@roflmagister5 4 роки тому
"When I discover a connection between two seemingly technologies...." yeah, it's technology connections.
@arthyualagao8279 3 роки тому
Some LG thermostats have powerful cooling function which does exactly this: runs AC at full power for 30 minutes and then switches to regular schedule.
@SteveJones172pilot 3 роки тому
I am not a fun sucker.. and I watched in quarter speed because I didn't know about < and >.. Thanks for teaching me that too! Also, you've inspired me to want to build my own thermostat. I know that's nothing tough and that others have done so, but I didn't know that it was quite this easy! Arduino here I come..
@sergiomendez9231 10 місяців тому
I didn't know about the < and > either! I just would press play/pause really fast using the spacebar!
@SteveJones172pilot 10 місяців тому
@@sergiomendez9231 Also.. I just tested.. it's actually period and comma (at least for me on windows) not the shifted which seem to adjust playback speed
@dwightprzybilla6477 Рік тому
Not a fun sucker, but oh boy did I struggle with space bar. Thank you for the tip on . Leaned something new today. Cheers!
@georgecatlin3514 2 роки тому
Thermostat designer here. You are spot on for so many subjects, thermostats included! Let people know that you could have talked for much longer if you included: *Anticipation; (how does a thermostat with a 20 minute thermal time constant make room temperature decisions in five to ten minutes) adjustable/non-adjustable, equipment compatible, how simple mechanical thermostats are often better, how many digital tstats totally missed good anticipation, how internal heat rise from even a 1/4 watt power supply messes with your setting... *Mounting; errors due to poor air circulation/stratification, locating near a heat source, locating where the sun hits the tstat, locating where the cool/heat source is on the other side (!) of the wall, locating where the ceiling fan defeats the chimney effect designed into the tstat, Not plugging the wire access hole fully airtight to keep uncontrolled air from the basement or attic from blowing right through the thermostat... You are so right about the Nest sometimes needing a C line. Odd things happen. Your humor and snarkyness are great. Keep up the good work!
@joyange1 5 років тому
Just to give you a heads up. That delayed switching process that's cause by that magnet and that mercury switch is called "hysteresis".
@CFSworks 5 років тому
The fun thing is you can think of it either as having a separate "on" and "off" threshold (with the area in between being "use last state") or as the threshold itself changing whenever the output changes - whichever happens to be easier to implement really.
@thenear1send 5 років тому
I was originally going to comment that effect was called "dead-band" but I realize they are different terms and I'm pretty sure "hysteresis" is the correct one.
@kjpmi 5 років тому
Yep, and the same effect is achieved in modern electronic thermostats via PID circuits. Their input and output might seem simple but they're more than just dumb switches.
@fanplant 5 років тому
I thought it was differential. Is differential and hystericious the same thing?
@fen7662 5 років тому
Hysteresis sounds like a woman disease. :0
@RodyTheRoad 4 роки тому
"This prevents a scenario where it cools so much that it snaps to the right, which turns on the heat, which snaps it to the left, which turns on the A/C, which snaps it to the right, which turns *on the heat, which snaps it to the left, which turns on the A/C, which **-snaps it to the right, which turns on the heat, which snaps it on thE LEFT, WHICH TURNS ON THE A/C, WHICH SNAPS IT TO THE RIGHT-*- "-
@herrkatzegaming 4 роки тому
how did you get bold text in a youtube comment
@Titan12 4 роки тому
@@herrkatzegaming look it up
@Leekodot15 4 роки тому
**This makes you bold.** __This puts you in italics__ --And I think this makes it strikethrough. Always confuses me.--
@Leekodot15 4 роки тому
__There's more..._*_* __The possibilities are _*_*Endless,*_*_ my dear... --My _*_*dear.*_*___ __Though__, This doesn't work. Because *UKposts.*
@Leekodot15 4 роки тому
The second one was a disaster...
@mitchell5220 3 роки тому
Thankyou so much. I love this channel and i really appreciate all of your work. I love learning all this stuff, its addicting.
@theyruinedyoutubeagain 3 роки тому
Your gags and puns are hilarious, never change. I can't get enough of your videos!
@DaveGamesVT 5 років тому
Toaster Connections. Second channel. Make it happen.
@neonrukario3767 5 років тому
Third channel*
@risunokairu 5 років тому
Neon Rukario Toastnology Connections 3
@TonyP9279 5 років тому
Afterall, you bought THREE toasters and now THREE toaster ovens!
@Lord_Godd 5 років тому
This channel is really heating up, the toast of UKposts.
@starlight4649 3 роки тому
The SASS that came with the description of a furnaces blastyness was hilarious.
@drwolfpoint 3 роки тому
Heat Now! Heat Stop!
@mastergx1 2 роки тому
16:50 Here in the uk, we use a similar thermostat system except we use wall mounted boilers rather than HVAC systems (thus no need for the green and white wires). Typical stats here have either a 2-wire system (feed & return) or 3-wire (feed, return & neutral). Some of our thermostats have a "boost" function that allows the boiler to overrun for an hour. Also most of the older systems and some of the newer ones actually use the full 240v ac (which I think is nuts) rather than a nice safe 12v or 24v system. Just cost cutting I guess!
@sandrakleinman7215 4 роки тому
remember this guys videos like 2 years ago i feel like now hes telling the same amount of info but with a shit ton of sarcasm lol
@Krutonium 4 роки тому
It's the best
@423tech 5 років тому
"HEAT NOW!!!" I almost spit out my drink hahaha
@PepsiManX360 Рік тому
That blue wire just trigger my OCD… as an HVAC engineer it is improperly installed. I do gas steam boilers in NYC, that’s 95% of our heating solutions and it’s 98% more efficient than anything else as steam heating with radiators are always going to maintain heat even if you open the door for 10 minutes. This video is amazing though. You explained everything so everyone can understand. I’ll use this video to show my class next week. P.s. always stay away from mercury thermostats! If anyone reading this has one please change it. You can do it yourself safely even if you can’t reach the boiler to shut off the emergency shutoff. However I always recommend it and always take a picture before you start. Also you only need two wires for steam gas boilers. If you’re installing a smart thermostat we use blue for power to charge the battery such as Nest thermostats. This can be done directly from your boiler or via a DC power source.
@SailingCailin 3 роки тому
I just learned about the frame advance buttons! Love it.
@cha0sr1pper 4 роки тому
that moment you realize even with the video at 25% speed, the scroll is still so fast you have to pause regularly to read it
@wranglerboi 2 роки тому
Time to crack out the old Evelyn Woods speed-reading course again! (And if you know what I'm talking about, you just gave your age away.)
@mazzgr 5 років тому
I’m in the UK and many thermostats here do have a “One-Cycle” mode. It’s usually denoted on thermostats by a button labelled as “+1 HR” and overrides the temperature sensor and enables the heating for a set 60 minutes.
@iAmTheSquidThing 5 років тому
Yeah, Hive has a "Boost" mode where you set a temperature for a certain length of time. It's actually a bit of a misnomer though, because you can "boost" the temperature lower as well as higher.
@Ice_Karma 5 років тому
@@iAmTheSquidThing Perhaps it's "the impact of the combined HVAC system" that's "boost"ed, instead of "the temperature"?
@nick5235 5 років тому
Unfortunately not on Nest's UK thermostats.
@jrdnbr 3 місяці тому
this made me check out what kind of thermostat we had and it's an old honeywell with a bimetallic strip and a mercury ampule that both adds the mass to stop it from short cycling and works as the switch to connect the circuit
@NavyDood21 3 роки тому
Ya know, this video actually made me appreciate something at work that I havent been really able to conceptualize in my head before. They just installed some chillers to cool a piece of equipment that is generating 40Kw of heat. Now I have a concept of how much heat that is!
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