The two images below are taken from a Nest 2 learning thermostat installation. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. After a Nest learning thermostat has been mounted to the wall and its wiring connections made, menus on the Nest thermostat will guide you through a sequence of Nest thermostat set-up steps in which you provide basic information that will allow the device to work properly. If the walls of your home are too cold and your heat pump is not powerful enough, AUX heat may be needed in order to make up the degrees. Before you connect the wires to the Nest’s base plate, you’ll need to straighten out the wires using some needle-nose pliers. I did a search and couldn't find any previous posts. It’ll ask you whether your Nest should start off by using heating or cooling. [Click to enlarge any image] to see a larger, sharp-resolution image of the Nest self-test display. The ecobee which costs about the same money lets you set the minimum run time of the heat pump before the AUX strips come on AND the maximum temperature lag. 8 Installing the Heat Link 1. Here’s how to install and set up the Nest Learning Thermostat in your own home. Unpack your Nest kit. Once all the wires are inserted, push the bunch inside as far as they’ll go so that they’re not sticking out past the base plate. Remotely using the Nest thermostat control app; touch the "heat" or "cool" icon at the bottom left of the thermostat display screen to see the thermostat setting options. I've searched online for help but I'm still having issues. It really is intended to assist each of the common consumer in building a correct system. You can also share your Nest Thermostat with other people in the house so they can monitor and change the temperature from their own phone. It will still be powered on, but you should turn off the heating, cooling, and fan. The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common fuel types such as natural gas, electricity and oil. Next, take the main Nest Thermostat unit, making sure the Nest logo is at the top, and then simply push it in until it clicks into place. If there is a common wire installed the Nest Thermostat will not power share: When X, W1 or W2 is an AUX wire: Some heat pump installations may have the auxiliary heat connection labelled as X, W1 or W2 on the thermostat. This will display the local weather on your thermostat. For exapmle, below I've dialed the nest outer ring to select the letter "A" and I'm pressing the display face to select that choice - this step was in the course of entering the Internet router passcode for this thermostat - as you'll see in more detail just below. However, the process of finding out if your geothermal thermostat for geothermal heat pump product is compatible with Nest by using the Nest’s compatibility checker. Are you getting the most out of your NEST thermostat? 160. Otherwise, the included screws are self-tapping and can easily be driven into drywall without pre-drilling. (Excellent tips on spotting problems on oil-fired heating equipment. Yes. Wiring Diagrams : Nest Line Voltage Thermostat Nest And, size: 800 x 600 px, source: www.sconseteer.com. Push to continue. Enter in your zip code by using the silver dial to select a number. Click to Show or Hide Citations & References, ARTICLE INDEX to BUILDING FREEZE PROTECTION, NEST THERMOSTAT WIRING INSTRUCTIONS for use with their Energy Kinetics 2000 MANAGER, Honeywell Tradeline T87T Universal Thermostat Installation Instructions, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES. It’s also a good idea to remove backup batteries if your thermostat has any. You may see the display go black, then it will be illuminated again. 3. Heat pump system. yes, had heat pump on old home and new home. Auxiliary heat will be turned on when target temperature is > 2 degree from current, and emergency heat manual switch will turn on the gas furnace. Here is the wiring for 1 stage heat with aux heat and emergency heat from the Nest E Pro Installation Guide. Craig Lloyd is a smarthome expert with nearly ten years of professional writing experience. Once downloaded, open it up and select “Sign up”. You can set the ecobee not to use AUX heat until the heat pump has run for 30 minutes (adjustable) and/or it's 5 degrees (adjustable) below setpoint. I installed a Nest thermostat the same as the old one (R, … As you progress through the Nest thermostat programming steps you'll see that the display will let you know your progress among the steps. Nest ompatibility check says it won't work. Our #1 Choice. Below the Nest is letting us know how the test of its connection to the heating system is going. It can control: • Heating and cooling: one stage of heating and cooling, and a second stage of either heating or cooling • Heat pumps: … If you’re not sure where each wire goes, you can use Nest’s wiring diagram helper online, which tell you which wires go into which ports, shown below. Nest Learning Thermostat Advanced Installation And Setup Help For – Nest Thermostat Wiring Diagram For 2 Stage Cooling 2 Stage Heat. To navigate through setup (as well as the different menus when you have it set up), spin the silver dial on the unit in either direction to move the selector on the screen, and then push on the entire unit to select it. Nest | What is Heat Pump Balance? And what about the filters? Google Nest geothermal heat pump thermostats are designed with the purpose of working with most 24V systems and even older systems. Choose whether you want to test the heating, cooling, or just the fan. The first step in setting up the Nest Thermostat is selecting your language. You can select a language, connect it to Wi-Fi, and tell A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. Follow the on-screen instructions in the Insteon app to add Insteon Thermostat for Heat Pumps. I don't think you're compatible with the Nest E since you have separate controls for both auxiliary heat and emergency heat. In most cases, you’ll have heating and cooling, as well as the fan. When prompted, give your home a name in the app and tap “Next”. back into SETTINGS > EQUIPMENT > Equipment Settings > HEAT PUMP you'll have a setting for the "Use compressor when... temperature is above" option which is ignored, followed by a message "Nest Sense … When I go through the installation process I hit … More about how to protect a building from freeze-damage is at WINTERIZE - HEAT ON PROCEDURE. You should verify that the X wire on the old thermostat … If your thermostat is wired to control heating-only, then the only options that appear are "HEAT" and "OFF". ... Dual Fuel Heat Pump Thermostat Nest Wiring Diagram Nest E | Hot – Set Up A Nest Thermostat … Sometimes, the furnace and the air conditioner are on two separate breakers, so you’ll need to switch off both. N ext will be to tell the Nest some temperature preferences. The Nest Thermostat is one of the most popular options, and it comes with a whole handful of settings that you should take advantage of if you’re looking to dial down your utility bill. If you have an air conditioning unit, set this to "AC1”.If you have more than one stage cooling, change this to “HP2” or “AC2” to represent this. Having wiring problems. Thermostat User's Guide, pg 168, Fig. Select where your thermostat is located in your house or apartment. These instructions will probably be easy to … No dual fuel. I think I have more wires hooked up at the current thermostat than are actually in use. There are also a handful of settings that you should check out,  so take the time to explore the app and check out our guide to programming the Nest to get acquainted. Heat pump thermostats have a simple job. It’s usually just clipped in and requires a slight tug to take it off, but you may need to unscrew yours. [3] Honeywell Controls, the company wants you to use their contact form at this web page: http://www51.honeywell.com/honeywell/contact-support/contact-us.html. I have had a Nest controlling a heat pump with electric backup heat for two years now and it … When first powered-on after mounting and wiring, the Nest thermostat will then pass through a number of self-intializing steps. Separately at NEST CAM INSTALLATION & USE we describe installing and using Nest cams (security cameras) or drop cams for both home security monitoring and for remote monitoring of a building for leaks, loss of heat, water or ice damage, or for intrusion or security issues. The display shows the present temperature (71 deg F) and the set temperature - the temperature that you're asking-for (60 deg F). How to configure your ecobee thermostat for use with a geothermal heat pump The ecobee has the ability to recognize whether your system is a geothermal heat pump or an air-to-air heat pump. Smart thermostats are not only convenient, but they also come with a handful of settings that can potentially save you money. You can leave these both “off” if you don’t want to set them. Without all that said, if everything looks good on your end, here’s how to install and set up your Nest Thermostat. You can select a language, connect it to Wi-Fi, and tell it some things about your home and system so that it can help save energy. Enter your Wi-Fi network password. [The] Nest [smart room thermostat] works with 95% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, hot water, solar, and geothermal and includes these common thermostat control wire connections: Rc, Rh, W1, W2/AUX, Y1, Y2, G, O/B, Common “C”, and also Nest … Google … We have no relationship with advertisers, products, or services discussed at this website. The Nest thermostats make nearly every list due to their ease of use and excellent automation. Furthermore, your furnace’s main shutoff could be next to the furnace itself, rather than on the breaker box. Tap “Settings”. Enter in your email address and come up with a password for your Nest account. If you look at the backside of Nest Thermostat, you can see labels ( O/B , AUX/E ) – which means this thermostat is compatible with heat pumps (O/B) and also compatible for heat pumps with aux/emergency heating (AUX/E) . Carrier Infinity thermostat Installation Manual Two Weeks with A. With all that said, the Trane XL16I is a two stage heat pump so you should have connections on: R, Y, Y2, G, W (Aux/E), C and O and that should complete the needed wires for your system with the Nest thermostat. The next step is connecting the thermostat to your WiFi network, so push on the unit to get started. The Nest app now includes steps to check thermostat … [1] Proliphix Corporate Headquarters [Website: proliphix.com] , 3 LAN Drive Suite #100, Westford, MA 01886 Phone: +1.978.692.3375 Toll Free (U.S.): 866-IP-LIVING (866.475.4846) Fax: +1.978.692.3378 - Sales: [2] "The Nest Learning Thermostat", Nest Thermostat, 900 Hansen Way Match your wires to the labels printed on Insteon Thermostat for Heat Pumps. For heat pump set-ups that should be able to provid both heating and cooling, if the system won't switch into HEAT mode from COOL when it should or vice versa, and if the problem is not the thermostat or thermostat settings or wiring, then the problem is more-likely at the heat pump control-board or at the relay in the heat pump that switches between heating and cooling modes in the unit itself. [Click any image to see a larger, detailed version] The Nest informs us that it's testing the W1 wire that should turn on heat, and it asks us to confirm that the radiators are in fact getting warm. Nest thermostat Wiring Diagram Heat Pump Sample - Nest thermostat Wiring Diagram Awesome Nest thermostat Diagram. Heat Pump Thermostat Wiring Chart. The Nest … Remove the plastic that covers up the motion sensor. The diagram of your breaker box may say which breaker the thermostat is connected to, but if not, it’s a safe bet that if your thermostat is located in your living room, turning off the breaker for the living room will do the trick. Next, select what kind of place you live in: “Single-Family”, “Multi-Family”, “Apt./Condo”, or “Business”. To get an entry key, go to your Nest Thermostat and push on the unit to bring up the home screen. Page 30: Troubleshooting This is a simple issue to address: 1. Above: the check-marks tell us that we've successfully told the Nest thermostat our language, we've set up and successfully connected the thermostat to the internet via a local router and router password, we've told the Nest where the building is located, and we've described the type of heating system that's to be controlled by the thermostat. After that, select the type of heating you have. How To Connect & Setup A Nest Thermostat To Function As A Humidistat – Nest Thermostat Wiring Diagram For 2 Stage Cooling 2 Stage Heat. Join 350,000 subscribers and get a daily digest of news, comics, trivia, reviews, and more. If you see a handful of tiny wires in all sorts of different colors, then you likely have a low-voltage system, but if you see only 2-4 larger wires that are connected with wire nuts, then you likely have a high-voltage system. Emerson Sensi ST55 Wi-Fi Smart Thermostat. This article includes drawings and electrical wiring diagrams explaining how to set up and wire a Nest thermostat, whole house dehumidifier and air handler. Need help installing nest thermostat on goodman heat pump system that is a out 10 years old. Most people prefer to use the Nest app to adjust the settings because it doesn’t require getting off the couch. Installing a 3rd generation Nest thermostat to replace Trane BAYSTAT240. When you go for shopping a thermostat, you will find some inexpensive yet intriguing products. A Nest Learning Thermostat … ; Outdoor settings. If you read the beginning of this article and immediately visualized how to do it based on past experience wiring switches and outlets, you’re probably good. Wondering if all wires that are hooked to old Tstat are being u … read more You’ll then select the fuel source for your heating. After the software has been updated the Nest will turn itself OFF, then back ON to reinitialize its programming. Manually, at the thermostat, press the Thermostat, then turn the dial to select cooling mode. This is my 3rd season with a nest e. It controls a boiler (pump) for in-floor heat. The Nest Thermostat will turn on and walk you through setup. You can tap on it to bring it up and begin controlling your thermostat remotely. Next, remove the thermostat body from the wall. The Nest can also learn whether you’re home or away, based on your phone’s location and the Nest’s built-in motion sensor. 2. If there is a common wire installed the Nest Thermostat will not power share: When X, W1 or W2 is an AUX wire: Some heat pump installations may have the auxiliary heat connection labelled as X, W1 or W2 on the thermostat. Warning: This is a project for a confident DIYer. You’ll get a prompt saying that you’ll receive an entry key. I am pulling new 18/8 wire to all of my thermostats and … If you don't see both of those (as I show above then either the wire is not connected or it's broken or disconnected somhere in its route. My condo has a Heat Pump. (That second case would be an odd installation for a heat pump set-up). Depending on the model and software level of your Nest thermostat, you may see displays such as those just above, or other Nest update displays such as the two shown below. In order for the ecobee to make this distinction, you will need to be sure to configure your equipment properly upon set up. The Nest should configure your system automatically as a two stage heat pump … The basic function is temperature based. Nest Learning T3007ES 3 Generation Thermostat – The Attractively-Designed Option. The nest stat does not bring on the fossil fuel furnace when the heat pump is set to shut off. You’re all done! Below: I have set the Nest thermostat to call for 69 degrees F in the room by rotating the silver outer ring of the Nest. They would just be redundant mechanical switches that will eventually fail, resulting in troubleshooting humidifier electrical circuits. Remember, this isn’t just for your own safety, but not shutting off the heating and cooling completely can blow a fuse, which will require an electrician to fix. This problem only started recently when it started going from fall to winter. Sophisticated gadgets and gadgets also come to improve your home using technologies, among which will be Nest thermostat. You don’t have to connect your Nest thermostat to your Wi-Fi network. Put up your Nest Thermostat – During the nest thermostat installation setup process first, select your language to be used from now onwards. www.hunterfan.com, [14] "Residential Hydronic (circulating hot water) Heating Systems", Instructional Technologies Institute, Inc., 145 "D" Grassy Plain St., Bethel, CT 06801 800/227-1663 [home inspection training material] 1987, [15] "Warm Air Heating Systems". If there’s a stud behind the drywall where you want the screws to go in, you’ll need to pre-drill small holes first before screwing the base plate in. After the setup is completed and Set Up A Nest Thermostat With Dual Fuel Wiring Diagram does not bring you difficulty, another step would be placing the thermostat. If that's what you see (shown above intwo images) then your thermostat cannot control cooling mode and some wiring changes are needed. But it’s biggest selling point is that the Nest learns your habits, and can eventually do it all automatically. The Heat Link is necessary, even if there are low-voltage wires. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. To insert and secure a wire, press down on the button and insert the wire as far as it will go. Away: 60 (System comes … Most of the time, the color of the wire will correctly correspond to the letter of the screw that it’s connected to (e.g. Select “I agree” to agree to the Terms of Service and Privacy Policy, and tap “Continue” at the bottom of the next screen. Memphis, TN 38114 Push on the unit to continue. Locate and tap the thermostat icon. They said the orange wire is for a heat pump, I do not have a heat pump. 40 Nest thermostat Wiring Diagram Qn0e – Wanderingwith. **IF** when your Nest thermostat was installed the thermostat wires that were connected included both heating and cooling systems, then your Nest TT can switch between those modes in two ways: 1. Hit “Next” on the next few screens until you arrive at the following screen. The Nest … Push on the unit to continue. The most common type is forced air heating, which will be the first option. It blows cold air when the heat is on. Moved into a new house a few months ago and it has a nest thermostat. 888-830-1326 Booklet. When the interior temperature falls below the set number, the thermostat switches the heat pump on. Contractor's Assistant: Did you double-check the thermostat's settings? I checked thermostat setup. Push on the unit to move to the next digit. Otherwise, use the silver dial to select temperatures for each one. You’ll get a diagram showing you the wires that the Nest Thermostat has detected. Next, you’ll plug in the wires into the Nest’s base plate. Locate your thermostat and turn it off. Nest isn't the thermostat to own if you want configuration options. I have three wires on pump side and nest side. yellow wire connected to “Y”, white wire connected to “W”, and so on), but sometimes that isn’t the case, and you might have something like a blue wire connected to “Y”–like I do in the photo below. Next, you’ll set your minimum and maximum temperatures. Next, you’ll need to set up your location. Both Nest E and Nest 3rd Gen are WiFi enabled and can be used as a WiFi heat pump thermostat. 1 stage heat pump 1 stage heat pump 1 stage heat pump Label Y1. Go back to your breaker box and turn the power back on to every breaker that you turned off. Below you can see the Nest thermostat's report of the results of its test that it could control the heating system. ; Screwdriver - Used for screwing the Nest base plate into the wall. You can choose not to set it up right now (you can do so later on). Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Your Nest Thermostat will now show up on the main screen of the Nest app. If not, you’ll likely need to re-seat the wires to get them detected. Even with my current Thermostat I have it lowering the Temp when I am at work, should I not be doing this with a Heat Pump system at all? Take the two screws and drive them into the wall, making sure that the plate remains level as you do so. I figured out the B was really a C but from the Nest website it wasn’t clear if a heat pump with aux electric heat … The Nest will work with any low-voltage system, but it won’t work with high-voltage systems (also known as line voltage) at all. Scroll to the settings gear icon and select it. Haven’t had any issues with it until the past few weeks. Next, unscrew the wires from their screw terminals using the screwdriver that came with your Nest. This next step is important. You should have several items that came with your Nest unit: Labels - You'll use these to mark your thermostat's wires. If your Nest thermostat is wired to control heating and cooling then when you press the icon at lower left on your app or dial to it on the nest themostat itself, the options you'll see are "HEAT" "COOL" and also "HEAT-COOL" and "OFF" as I show below. You should verify that the X wire on the old thermostat is not a common wire. Turn the Nest dial clockwise to rotate through letters, then press … The Nest thermostat has a setting that requires both heat and humidity before it activates the humidifier. We recommend taking a voltage tester and confirming that there isn’t power running to it. Heat pump, AC, Ventilation, some … Palo Alto, CA 94304, Tel: 855-4MY-NEST, Email: info@nest.com, website http://www.nest.com/, retrieved 1/24/2013. Here are several of the leading drawings we receive from numerous sources, we wish these images will certainly work to you, and also hopefully really relevant to what you desire concerning the Heat Pump Wiring Diagram For Nest is. It shows the parts of the circuit as simplified shapes, and the power and also signal links between the gadgets. Also note that it may be against the law, code, or regulations to do this without a permit, or it might void your insurance or warranty. His work has been published by iFixit, Lifehacker, Digital Trends, Slashgear, and GottaBeMobile. ), [21] Trane TCONT800 Series Touch Screen Programmable Comfort Control Ownes Guide, American Standard, Inc., Troup Highway, Tyler TX 75711, January 2005, Telephone: Customer Service: 1-877-3381, website: www.trane.com, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. If you have a heat pump, use up arrow button to set this to “HP1”. First off, download the Nest app from the iTunes App Store or Google Play, depending on your device. NEST THERMOSTAT SET-UP & PROGRAMMING at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Press the circled icon to change thermostat mode. How to Install and Set Up the Nest Thermostat, How to Save Posts on Facebook to Read Them Later, How to Use the Document Outline in Google Docs, How to See Which Apps Can Access Your Microphone and Camera on Android, How to Add Complications to Your Watch Face on Apple Watch, How to Turn Off Automatic Emoji Conversion in Slack, © 2021 LifeSavvy Media. You can save this graphic file to your own device. I've connected the wires to what I believe are the right spots on the Nest. The next screen will ask you for your address, but your zip code is the only thing that’s required. You can also set this up later. Once complete, your thermostat will say that it has successfully connected to your Nest account, and thus is connected to the Nest app on your phone. then postal code [in process, with three digits entered, illustrated below]. Since this thermostat was not located in Middletown NY (Nest's guess was close but not correct), we rotate the outer ring of the thermostat to select the "No" option then press the center of the display to activate that choice. Push on the unit to continue. If you don’t know this, select “I Don’t Know” from the list. Preparing the unit is actually simple but it is made up of several measures. After the Nest has enjoyed visiting it's birth-home website to check for updates to its instructions it will re-start. short cables going from one terminal to another) you can remove them and toss them out, as you won’t need them for the Nest. Next, you’ll need to turn off the heating and cooling at the breaker box. InspectAPedia tolerates no conflicts of interest. If there are any jumper cables (i.e. [4] White Rodgers Thermostats and HVAC controls. You will see a series of Nest thermostat setup choices and stages. At the thermostat, press Menu. ; Screws - See above. If all looks good, push to continue. The evaluation of the Nest thermostat heat pump control pilot showed that the Nest is a viable ... pump controls, though, installation and setup of the Nest is much simpler and potentially less expensive. The above article may contain affiliate links, which help support How-To Geek. Sale. On the next screen, you can set up Home/Away Assist, which uses your phone’s location to automatically determine whether you’re home or away, and automatically adjusts your thermostat accordingly. To connect your Nest Thermostat to the app on your phone, you’ll need to enter in an entry key. When you’re ready to drive in the screws (a drill is highly recommended for this), place the base plate back on the wall where you want it and feed the wires through the center hole (include the trim plate behind the base plate if you want–it’s good to use if you don’t want to spackle and paint over the spot where the old thermostat was). Since we launched in 2006, our articles have been read more than 1 billion times. Take a photo of the current wire setup and note where each wire is running. Whichever you choose, make sure that air comes out of the vents and that it’s either warm or cool. By selecting among these icons on your Nest thermostat itself (dial and press) or on your smartphone app (press the icon), you can manually switch between HEAT and COOL - or - you can select HEAT-COOL and the thermostat itself will choose when it needs to change mode between heating and cooling. By submitting your email, you agree to the Terms of Use and Privacy Policy. So if you tend to turn down the heat when you go to bed and turn it back up when you wake up, the Nest will learn this and do it for you, without you having to program it manually. Join 350,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. 160. So for nest thermostat installation, it in your home; follow the careful steps specified in this How to Install Nest Thermostat article to set up your nest learning thermostat. Home: 70 (I have bad windows so its set somewhat high.) [16] Heating, Ventilating, and Air Conditioning Volume I, Heating Fundamentals, [17] Boilers, Boiler Conversions, James E. Brumbaugh, ISBN 0-672-23389-4 (v. 1) Volume II, Oil, Gas, and Coal Burners, Controls, Ducts, Piping, Valves, James E. Brumbaugh, ISBN 0-672-23390-7 (v. 2) Volume III, Radiant Heating, Water Heaters, Ventilation, Air Conditioning, Heat Pumps, Air Cleaners, James E. Brumbaugh, ISBN 0-672-23383-5 (v. 3) or ISBN 0-672-23380-0 (set) Special Sales Director, Macmillan Publishing Co., 866 Third Ave., New York, NY 10022. Macmillan Publishing Co., NY, [20] The ABC's of Retention Head Oil Burners, National Association of Oil Heat Service Managers, TM 115, National Old Timers' Association of the Energy Industry, PO Box 168, Mineola, NY 11501. Use the built-in leveler to make it level. Setting the thermostat on the heat pump furnace will tell it what temperature to maintain in your house. They work to turn the heat pump on or off based on input criteria, such as time, current temperature, or other smart home features (geofencing, for example). Setting the thermostat on the heat pump furnace will tell it what temperature to maintain in your house. Depending on how your home’s HVAC system is set up, your thermostat may have various quantities of wires. Once you’ve disconnected all of the wires, you can completely remove the thermostat and take off the thermostat’s wall plate, which is likely secured to the wall with a couple of screws. Initial wiring I tried brought warm air instead of cool. Hi there, I have a Lennox heat pump w/ electrical aux/emergency heat, approx. ; Press Next. Nest Thermostat 2Nd Generation Heat Pump Wiring Diagram – Technology makes a much better life and it is true. When you select "No" Nest will allow you to select your continent, then your country [illustrated below]. To connect a 7-wire thermostat, learn the color coding pattern for this type of … Push to continue. Please right click on the image and save the photograph. Hit “Next”. You might also have to turn off a third breaker for the wire that gives the thermostat power. If you think that your thermostat should be able to control both heating and cooling modes then let's check what wiring is connected. They say the Nest is compatible with my Bryant but I need a professional install. will irreparably damage the Nest Thermostat. The Nest Thermostat is one of the most widespread smart thermostats …