How to Install a Smart Thermostat

How to Install a Smart Thermostat | Ask This Old House

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8 жыл бұрын

Plumbing and heating expert Richard Trethewey shows a homeowner how to install and operate an energy-saving smart thermostat. (See below for a shopping list, tools, and steps.)
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Shopping List for How to Install a Smart Thermostat:
- Smart thermostat [amzn.to/2Sd2bAZ]
Tools List for How to Install a Smart Thermostat:
- Screwdriver [amzn.to/2XMTy1k]
Steps for How to Install a Smart Thermostat:
1. Turn off the service switch on the side of the furnace.
2. Remove the faceplate from the existing thermostat.
3. Take a digital photograph of the wire connections.
4. Use a screwdriver to loosen the screw terminals on the thermostat's base plate.
5. Pull the end of each wire out of the terminal.
6. Unscrew and remove the base plate from the wall.
7. Screw the base plate of the new smart thermostat to the wall. Be sure the base plate is level.
8. Connect each wire to the appropriate terminal on the base plate. If necessary, refer to the photograph taken in Step 3.
9. Snap the smart thermostat onto the base plate.
10. Turn on the service switch at the furnace.
11. At the thermostat, follow the touch-screen prompts to choose the preferred language and internet setting, which allows you to control the thermostat remotely from a tablet or smart phone.
12. Next, enter the year when house was last remodeled, then select a name for the thermostat.[
13. Select the lowest and highest room temperatures for when you're not at home.
14. Adjust the thermostat setting each time you leave for work and return home. After a few days, the thermostat will learn your habits and automatically adjust the heat.
Richard installed the Nest thermostat [bit.ly/35bCqcy], which is available at home centers and electronics stores.
He also demonstrated the Nest app, which is available on select smart phone and tablet platforms.
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Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers-and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.
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How to Install a Smart Thermostat | Ask This Old House
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Пікірлер: 579

@Percussiongurl Жыл бұрын

This this old house still coming in clutch!! I remember watching this with my parents when was a kid now at 32 its just me.

@trypanoma 4 жыл бұрын

I installed a nest learning thermostst in my parents 100 year old house with 2 wire heating system. The system worked well for a few weeks but it drove the boiler haywire as the thermostat was trying to steal power by turning it on and off. There was no c wire from the boiler. After researching, I purchased a external c wire power adapter from amazon and it worked like a charm. Almost 2 years gone and no trouble anymore. Wanted to share the experience because it took me a lot of digging. Installing a c wire was too complicated. This was a easy fix

@CitizenPerkins 4 жыл бұрын

Hmm... I think you meant to say, "Installing a C-wire _WASN'T_ too complicated."

@trypanoma 4 жыл бұрын

@@CitizenPerkins i meant running a new wire from the boiler was too complicated. This was an easier alternative.

@lisastratton6597 3 жыл бұрын

I don't understand why he doesn't mention the c-wire (or not) issue.

@antonioterrell354 2 жыл бұрын

Very similar to my situation ... Have a home originally built in 1912 (Sheesh, the year the Titanic sank ...lol). Which has an old two wire gas furnace. Installed a Nest gen. 3 like in the video several weeks ago, which appears to be working fine so far without a C wire. But since I read several comments that this could still cause problems later on, but running a C wire is too much of a hassle and didn't want the unsightly dangling wires of a plugin AC/AC adapter at the thermostat. Installed the new "Nest Power Connector" at the furnace that converts to two thermostat wires, R and W, into three, an R, W, and C wire. kzfaq.info/get/bejne/rtKoZbiem6qVimw.html

@JohnDoe-hf1xu 5 жыл бұрын

Amazing! Not complicated to install at all just basic thermostat wiring. Great video!

@mjcintx 7 жыл бұрын

I like how he let her touch the wires first to make sure the power was off lol!!!

@KeithsTVHD1 7 жыл бұрын

Mike on a Bike lol

@iszjhxsbxb 6 жыл бұрын

Mike on a Bike YA CANT TRUST A BITCH 😂😂

@polishtheturdmickelson5473 6 жыл бұрын

24 volts isn't going to kill her.

@jasonmurphy6270 5 жыл бұрын

@@polishtheturdmickelson5473 😂😂😂😂

@MR-nl8xr 5 жыл бұрын

Sounds like someone is scared of 24v😥

@laghmanee 4 жыл бұрын

Best video and after watching this, it took me 15 minutes each to install two of them in my house.

@electricalron 7 жыл бұрын

This video showed me everything I needed to know. Then again I've come to expect professional demonstration from the pros at This Old House. Thanks Richard!

@hsabic4426 5 жыл бұрын

1:30 Hey the cameramen was in basement already. Why he didn't flip the switch to off.

@thetonybones 4 жыл бұрын

Hahaha I think I enjoyed your comment more than you intended, thank you!

@BookTube0ne 4 жыл бұрын

Maybe it was just a camera on a tri pod and no camera person

@exmember1607 4 жыл бұрын

He was there to show the lady which switch to shut off

@CCCC-tq8yo 4 жыл бұрын

The camera guy was hiding in the dark

@itzgametimevip1111 3 жыл бұрын

Why?

@Affanaman21 6 жыл бұрын

I watched this video and other bunch to install my smart thermostat, but it didn't fix the problem because like this guy said to install the wires as color patterns. Unfortunately, in my case, I took the picture of the wire how it was attached before removing from the old one. Thanks to this person who showed to take the picture and which I did. First, I installed like the color patterned and it did not work and my house was getting cold 9 at night. I followed the picture of the wire from the old thermostat and put it the way on the new one and my heater started working. 😉

@jrhrsr 8 жыл бұрын

Man I have had mine for nearly over 5 years. Welcome to the 21st century This Old House!

@andrewbethea327 5 жыл бұрын

For me, old-school is the 21st century.

@carnage50x 7 жыл бұрын

a couple years ago we switch energy companies and they offered this exact thermostat controller for free. honesty it's amazing and has dropped energy bill by a lot.

@mixer14316 6 жыл бұрын

GREAT video. I am getting one of these and they gave me confidence to do it. LOL.

@bosse641 8 жыл бұрын

Very clever gadget. .....and with a nice design as well. ......sure need one of those ahead.

@robertvalitsky5312 2 жыл бұрын

He is a true genius jack of all trades

@mauriceclemens3286 3 жыл бұрын

The Nest is what I have in my house and it was so easy to install. Incredible piece of technology. Saved me a bunch the next year.

@RandomYoutuber1023 6 жыл бұрын

I've had 2 of these in my house. I've installed 3 more at my family's houses. These nest thermostat have non replaceable Lithium Ion batteries. You must connect the "C" wire to a dedicated 24V supply on the furnace. Otherwise it tries to siphon electricity from the other wires when voltage dips around 3.7V on the battery. It will send the furnace into a tailspin during winter time with the blower fan going non stop. Easy recipe for frozen pipes in the winter.

@MR-nl8xr 5 жыл бұрын

👍🏼

@peteryep2433 5 жыл бұрын

I o0

@TheOtherBill 5 жыл бұрын

Nest fixed that in a software update.

@dongertan3320 5 жыл бұрын

What color is the C wire?

@mtiphotography 5 жыл бұрын

@@dongertan3320 I just installed one, colors aren't exact for ID but typically it's blue if all colors were set up right.

@RandomYoutuber1023 4 жыл бұрын

I've installed the nest and ecobee units at my home and for family. It is imperative to find a way to supply power via the "C" wire. That is needed because these electronic units don't have replaceable batteries. When the Li-ion battery dips in voltage below 3.16V, it goes haywire, and in my case it started to blow the fan inside my house with the outside temperature at 22 degrees. The pipes nearly froze. I connected the C +24V dedicated supply and it has worked flawlessly for many years now.

@jblyon2 4 жыл бұрын

I have an Ecobee in my apartment. A dedicated 24 VAC transformer plugged in near the thermostat does the trick. You don't need a C wire for it to work, but without one you will need a dedicated power source!

@krisraps 8 жыл бұрын

Wow, This Gadged Is A Dream

@theguy2605 3 жыл бұрын

Lady: powers off Richard: and theres your new thermostat hope you like it Ending credits

@thehealer560 4 жыл бұрын

Thanks for the video guys!

@jameshawkins809 7 жыл бұрын

I need to invest in one of these for my new home. I get tired of having to adjust the temperature all the time. This would save me a lot of money for sure.

@dsantostv3711 5 жыл бұрын

Not really

@breaking963 4 жыл бұрын

@@dsantostv3711 yeah it would.

@bradfuller25 4 жыл бұрын

I’m surprised you guys didn’t speak about when you have high voltage, 120V, compared to low voltage, 24V, that are needed for smart thermostats. Are their any options in the smart thermostat range in the 120v range? If not how do I install a 24V transformer on my furnace or HVAC unit in order to be able to convert from a mechanical thermostat to a smart thermostat. Maybe a good chance for an update video as these thermostats are gaining more popularity as technology and smart homes progress. Ppl will inevitably have to convert voltage in their older home.

@KeithsTVHD1 7 жыл бұрын

I I just installed the nest thermostat 3rd generation and I like it a lot

@TreesOnTheBeach 4 жыл бұрын

The Nest is the best thermostat I've ever had. I have it in two houses and love it.

@klosettreat 5 жыл бұрын

Wow that looked so easy

@manuvilla1999 3 жыл бұрын

worked great!

@markperez3418 3 жыл бұрын

Great video!

@gerardofollano8417 4 жыл бұрын

nice shiny round thermostat on rough wall from old thermostat

@ChuckFarlieSeesAll 2 жыл бұрын

Buying one tomorrow

@twicetzuyu7668 5 жыл бұрын

Wow it's that simple

@Adolfuo 4 жыл бұрын

This mans pulled out his iphone 4

@CCCC-tq8yo 4 жыл бұрын

Whow

@Samhain2323 3 күн бұрын

This video showed me everything I need to know but how to actually wire it up 😅😅😅

@pairofbluepants3302 6 жыл бұрын

Yeah right ok right yeah yes yeah right yeah yeah right ok yes wow oh yeah yes amazing

@divyangvaidya9675 Жыл бұрын

😂😂

@DordiHOTS 8 жыл бұрын

awesome

@elgransick 7 жыл бұрын

2:58 is she checking him out?

@alexeat-sand9938 6 жыл бұрын

she was nervous

@alexeat-sand9938 6 жыл бұрын

loooool (^.^)

@JayJay-sf2wn 5 жыл бұрын

Oh definitely. He is just so sexy. How could she help herself?

@alfredoxu7926 5 жыл бұрын

she was turned on by the screwhole action.

@picklerix6162 5 жыл бұрын

I thought you were kidding at first, but, yes, she was fantasizing about the repair guy. Too funny.

@dcavic6157 8 ай бұрын

Nice! now I just need to fine a home with more then 2 wires for the thermostat

@OmarOrtiz-id4ud 8 жыл бұрын

sweeeeeeeet love it

@chevy6299 4 жыл бұрын

That is good for winter but what about summer cooling?

@truth4877 3 жыл бұрын

Oscar winning performances right there

@dannyramos5485 5 жыл бұрын

I am interested in installing this in my house but we have 3 different thermostat controls , 1 in the basement , 1 on the main level and one in the basement so my question is do all 3 need to be replaced or just the one on the main level that is digital?

@guesswhomartin9249 7 жыл бұрын

very good. .

@SirFancyPantsMcee 3 жыл бұрын

So someone will know when I'm in my house..... Sweet.

@mrembosoufie6876 6 жыл бұрын

Wow great.

@chidrole 8 жыл бұрын

You guys are the best!

@kevinkev1530 6 жыл бұрын

Thx

@rupe53 5 жыл бұрын

This may seem a few bubbles off plumb but read a bit further... I see issues with these all the time when used in a heating / cooling situation on a home equipped with a stand by generator. The problem happens when the power goes out and someone has wired the t-stat to grab it's 24 volts from the AC side, which is usually not connected to the gen set. Ok, so it's winter and I get the call that there's no heat so the customer thinks we screwed up and didn't connect the boiler or furnace. I verify that's connected but the t-stat is a recent addition and THAT is not wired correctly. Typically someone swapped the RH (heat) with the RC (cool) wire so basically the t-stat has no power when the house is running on the gen set. (but they are both hot when utility is present so doesn't matter) Reading further.... oh, the Wi-Fi part is not working during a power failure and I have to ask where that other router is and if the cable internet is even working in this crappy weather. Some people want wireless remote control no matter what...and it ain't gonna happen! You want fewer problems? Keep everything on the simple side!

@senditbros2176 8 жыл бұрын

So cool

@logicalrat 5 жыл бұрын

Make sure your t-stat wire is gauge 18 or lower. The Nest pulls more current than most t-stats.

@knowhereman1 5 жыл бұрын

0:30 Bellows? Try, "bimetallic coil".

@JosephTammaro Жыл бұрын

Great video. I only had one question. I wish he broke out a multi meter to test the voltage for the common wire. Newer Nests require a C wire aka common wire. Old homes may not have that. Thank you. Great video all the same. Now get the paint. lol.

@joejackson9986 Жыл бұрын

Not necessary.

@tubalcain1 6 жыл бұрын

easy enough... however what if the wire coming through the wall only has 2 wires? Will this still work with this type of smart thermostat?

@jasongiordano907 5 жыл бұрын

Was that like an iPhone 1 he took a picture of the wires with?? Lol 😂

@PepsiManX360 4 жыл бұрын

I just got this for my new boiler, but I had to use an AC adapter for the Common wire since my wiring only has 2 wires (white and red).

@asergio95 5 жыл бұрын

Hope he put that blue wire to C Terminal and checked the wiring from control board.

@Houssouwo 4 жыл бұрын

After watching this show, I bought the Nest thermostat and I was able to install it myself. We keep getting this Error ( WIRING REPORT E74 ) with no power to the RH wire. We have taken all the wires out and rewired it again. We still get the same error. Do you have any ideas or suggestions for fixing this issue?

@willyromney 4 жыл бұрын

As soon as he left she pulled it back off and installed the plate so she doesn't have to bother with patching and painting

@skeeterweazel 8 жыл бұрын

Nice video. I have an old Coleman floor furnace. Probably at least 60 years old. Thermostat is mercury switch with only 2 wires. How do i know where to connect wires on a smart thermostat? Thx. Marty

@everythinghomerepair1747 8 жыл бұрын

that will not work with the nest

@polishtheturdmickelson5473 6 жыл бұрын

Cheapskate, if your furnace is 60 years old. That nest t stat isn't going to help you out.

@companyoflosers 5 жыл бұрын

you dont. your wiring is too old to work with this. the only way would be to replace the furnace and put in all new wires, which obviously wouldnt be worth it unless the furnace was already broken and needed replacing. you are kinda stuck with what you got.

@andystitt3887 4 жыл бұрын

Do some programabe themostats have a way that the blower and burner are tuned on directly by it?

@buttersstotch4555 5 жыл бұрын

I just intstalled 2 yesterday and those STS are nice.

@williamhartlage2383 4 жыл бұрын

Are the thermostats with humidistat a good replacement?

@ryanjohn6690 4 жыл бұрын

Yes it’s easy but trying removing Honeywell’s redline system from the boiler. That’s hard

@PaHardcore4life 7 жыл бұрын

He got pissed when she wasnt taking the screws out quick enough lol

@fullporaport 6 жыл бұрын

Can I use it if my house heat me with water pipe with electricty ?

@cyndicaserta7096 2 жыл бұрын

Temper it and all is great!

@superplan89 6 жыл бұрын

Sweet

@jesusmerchan5920 4 жыл бұрын

Yes we understand that but did you test see if it's work properly???????

@arrealhandymanservice4459 6 жыл бұрын

How do adjust for RV energies in heating or cooling

@RobS282 5 жыл бұрын

question about the motion detection in the house im in, the thermostat is mounted on a wall nobody walks by it is in a room that is not used much facing into the room so how will this effect it ?

@TheTurbinator 5 жыл бұрын

It will think no one is home. However there is a solution for this. Two of them. The first one is easy, Nest now makes individual room sensors that connect to the main Nest thermostat, buy one sensor and put it right in your living room. Problem solved. You can even have one in each room, so it keeps the occupied rooms at the set temperature and ignores the the temperature of the unoccupied rooms. The second option is to relocate the wall that you mount your thermostat on, is a fairly easy job, something you can do yourself.

@neilbrookins8428 4 жыл бұрын

Rob, you can get the next protect which is a smoke alarm. It has a motion sensor in it that communicates back to the thermostat.

@sheree2985 7 жыл бұрын

Wow 55 degrees. They got 💰

@PoodleMaster69 7 жыл бұрын

Sheree Sims mine is 80 is this ok?

@Datsun7705 5 жыл бұрын

@@PoodleMaster69 mine is 82 for the summer

@johnjarvis8185 5 жыл бұрын

@@Datsun7705 70f year round

@Murmurrr 5 жыл бұрын

@AsSeenOnTV you need to calm down. You are getting very triggered by an internet comment.

@lippertkaleb 5 жыл бұрын

@@Murmurrr that's because their comments are unrealistic

@adipop 5 жыл бұрын

I took my nest termostat down after a day !??? .he piss me off ,that was last year still in box in garage I will give another try

@alvarohernandez2764 6 жыл бұрын

Does this make sense for people with inconsistent work schedule?

@markfll 6 жыл бұрын

I have an inconsistent work schedule. The Nest gen3 also has geo-fencing which is kind of cool. Say you're within a certain distance of heading home, you can have it adjust to your comfort temp before arriving. Same with going out. Or you can just use the app on the fly. It uses your phone's GPS.

@arbknight12 4 жыл бұрын

Got a question: I don’t have my WiFi running yet. Can I still install and use the thermostat, or is it required to have WiFi for it to function?

@purusoth123 4 жыл бұрын

You don't NEED wifi, you can use it like a good ol' thermostat by adjusting physically. It's super convenient when you connect to wifi and can remote access your thermostat.

@ryn0_22 4 жыл бұрын

What are all the other wire connectors for on the Nest?

@phoenix21studios Жыл бұрын

power, activation to heat, activation to cool, activation to fan, signal to system monitor.

@Micah__ 4 жыл бұрын

So what’s in thermometers nowadays if the mercury ones aren’t used?

@jamisongillespie3524 3 жыл бұрын

In these it's in an IC chip that turns it on and off. On Dumb ones it's a coiled piece of tungsten that moves enough with changes in temperature to trigger one relay to the left or right and the temp set adjusts where they point is.

@BlackSmith222 3 жыл бұрын

My existing thermostat has 2 wires. Red and White for heat only. Nest 2020 requires C wire. If I use a transformer, where do I connect the wires transformer wires? Nest 2020 has O/B, G, Y, C, R, W terminals.

@robevans8629 6 жыл бұрын

The installer didn't even cut the wire back for the new terminals.

@chicanopridealvarez1385 3 жыл бұрын

Can you adjust with cell phone WiFi when not at home?

@aliazimov7794 5 жыл бұрын

My old termostat has a numbers. 1 red,2grey,3 orange,4 green. Could you please tell me which one goes where on Nest? Thank you

@bendelaney7217 4 жыл бұрын

You have to go to the furnace to see where they are hooked up.

@Ozmandius 6 жыл бұрын

great if you have a set 7 day schedule. but what about someone who works a 3/2 shift? would it be able to keep up with monday tuesday work, wednesday thursday off, friday saturday sunday work, monday tuesday off, wednesday thursday work, friday saturday sunday off . ? basicly i would need a 2 week cycle

@bendelaney7217 4 жыл бұрын

They don't make a thermostat for you. Sorry

@silverdragontaylir8252 4 жыл бұрын

My Lennox wifi thermostat replacement cost me a little less than 900 hundred dollars,trip charge,with condenser washed,check freon (none added) ,warranty 5 years(not very good)

@getdown1080p 2 жыл бұрын

I cut off power to entire circuit breaker and my thermostat was still on! Any advice for the problem?

@MrTarkus007 6 жыл бұрын

what would be a good thermostat to replace the old electric thermostats

@andrewbethea327 5 жыл бұрын

The old tried-and-true mechancal thermostats, in my opinion.

@charliegra 8 жыл бұрын

I am a commercial a/c tech and would recommend staying away from the nest t-stat.

@tonemorgan1710 8 жыл бұрын

why? I was thinking of getting one

@charliegra 8 жыл бұрын

I'm sure they are fine for some simple installations. But for how much they cost and the problems people have had so far with them. Google nest updated causes no heat during ice storm. They've also caused alot of heat pumps to use more electricity by using aux heat strips to recover temperature. Also if you have a high seer system with bells and whistles, you are most likely better off using that systems recommended tstat. Its possible they have improved but they caused so many issues at launch and for a while after it is hard to recommend them to anyone.

@WadeMcLure 6 жыл бұрын

Unfortunately I have a boiler/radiant heat system which requires you to set your temp and forget it. I always wanted a Nest, but it would just be a big waste of money for me :-(

@RiouInsuiko 6 жыл бұрын

A large amount of people see these online, at Home Depot, Lowes, etc. and think that they will automatically work for their home application. This is not always the case. In many instances; Particularly with homes that have oil or gas fired heating systems and no central air conditioning they will have thermostats running off of only two wires. A red and a white. These smart thermostats, specifically the Nest thermostats, want to have 24 volts of electricity provided to them via a transformer. In the case of just a red and a white wire you will not be providing adequate voltage to the thermostat and it will end up running off of the internal battery. The battery in these thermostats exists to maintain settings during a power outage or during electrical work where power would be turned off for your equipment. You may experience problems with your smart thermostat if you attempt to install it without proper wiring. It's important to know what you have before you go out and spend $200+ on a smart thermostat or you should be at least prepared to have a transformer installed alongside replacing the thermostat wires if needed.

@stevebradley7901 6 жыл бұрын

Nest compatibility chart and videos show you can run a 3rd gen Nest with R & W

@RiouInsuiko 6 жыл бұрын

You can, but should you? I've been to several customer's houses where they've had complaints about the longevity of the thermostat's battery as well as issues using wifi on the thermostat because of low battery voltage as a direct result of not having a dedicated 24v provided to the thermostat. The thermostat will only charge when the unit is running. In this case, if the unit is not run frequently enough, the Nest thermostat may even simulate a call for heat for a very brief period - in pulses - as a last resort. It can only charge itself with a bridged connection - AKA when there is a call for heat, so 2 wire setups with less frequent usage on their equipment are prone to suffering from battery issues. The "pulsing" of your equipment in most cases would be fine, but in some instances it may result in damage and/or a noticeable amount of noise. So just because it's possible to run them on only a red and white wire doesn't mean that you should.

@markfll 6 жыл бұрын

I just installed the gen3 Nest today and didn't have a common wire. I was going to call someone to help with this, but looked at one of their instructional videos and it said it might work with what I had. I have the yellow, red, white, and green wires. So I gave it a try and it seems to be working fine. This is an older Rheme AC with heat when needed. (Florida). Would I run into the same problem you're describing? Just curious.

@polishtheturdmickelson5473 6 жыл бұрын

A HVAC tech, I don't do residential work. I thought you needed a common wire going to them in all installs?

@Rhaspun 5 жыл бұрын

I like my programmable thermostat. It performs just fine with all the time and temperature settings available.

@GOV221 6 жыл бұрын

One question: does this thermostat work with a Carrier Infinity system?

@dco5055 6 жыл бұрын

Hey there is this thing called Google it's been out for about 2 decades you should try it and if you google search your question "does nest work with carrier infinity" it will give your answer. OMG I KNOW IT'S MAGIC

@JackMcCoy331 7 жыл бұрын

What about C connection?

@Kirby7601 8 жыл бұрын

Of course. the nest learning thermostat.

@dwayneazari-eze6385 3 жыл бұрын

Where the other wires go the c wire from the old unit?

@Firestorm637 4 жыл бұрын

How to connect Samsung HVAC adapter(tadpt2) to Samsung mini split with 3rd party Thermostat, Nest.

@marshallfox1786 4 жыл бұрын

I’ve heard these Nest systems only work on certain units/ systems? Not sure how true that is.

@breaking963 4 жыл бұрын

Look up nest compatibility on Google. You'll find a nice interactive chart to tell you if the system is compatible.

@alowatsakima8950 8 ай бұрын

I got a smart thermostat, Trane XL 950. But now it has never been updated. When I purchased it, the instructions said it could be updated on line. but no more. Now they want you to call a local Trane dealer and have him update it. All it takes is an SD card. The dealer downloads the program on the card and comes and puts it in the thermostat, Thats it. But I can't do that. Help

@MrSouthofBoston Жыл бұрын

Do you have paint? Yes. But do you have 5-minute drywall mud and sandpaper?

@Nicholas2011ist 6 жыл бұрын

"You have better fingers for that than I do"-That's what she said...

@hugomontenegro8923 3 жыл бұрын

i have a taco sr503-3 raley can i connect a nest thermostat

@jameseiden2340 3 жыл бұрын

What if the thermostat need 24 ac to run ? Gas furnace Honeywell aqua stat primary cotrol

@ronjoe1 6 жыл бұрын

Now we need to see an addendum to this video showing how to install this thermostat when there is no common wire present.

@bendelaney7217 4 жыл бұрын

You can not wire this thermostat with out a common wire

@odiliojuarez2875 4 жыл бұрын

Can use this an a 2 wire thermostat

@summerskunk 4 жыл бұрын

Odilio Juarez yes

@cambobee7532 5 жыл бұрын

What if a older house only have two. Heatinf. Wired color??

@bendelaney7217 4 жыл бұрын

Than you can either run a new thermostat wire or stick with a good simple thermostat

@ckac730 4 жыл бұрын

Isnt 55 terribly cold. I keep the house between 67 when I'm gone and 70 to 71 when I'm here. Do folks really set to so much cooler in the day while at work ?