The Nest Thermostat has also received software updates that make it controllable over Matter. Shop for the Nest Thermostat on the Google Store. To control Matter-enabled Google devices with a 3rd party platform or app, you may need a device that works as a hub for Matter from that 3rd party device maker. Check Matter compatibilityYou needed to remove your thermostat from your account for some reason and want to add it back. On the Nest app home screen, tap Settings . Tap Add product. The app will switch to a camera view to scan the thermostat’s QR code. To get the QR code, go to your thermostat and press it to open the Quick View menu.Nest: Dehumidifier Set Humidity. Turn to set the maximum humidity the Nest thermostat should maintain. An empty drop indicates off. The relative humidity is now under the Nests control, and can be set to the actual percent of relative humidity desired. Note: 30% relative humidity is the lowest maximum setting possible.Nest Thermostats don’t have a touch screen. Use the touch bar on the right side to control your thermostat. Swipe up to raise the temperature, swipe down to lower it, and tap to confirm. The display will show you how many minutes until your desired temperature is reached. Tap the touch bar to bring up the menu.After you have replaced your carrier infinity thermostat with Nest or Honeywell and its saying that to power to RH then you may have some blown fuses. This usually happens when the c wire accidentally comes into contact with the R wire. Read also: How to bypass a thermostat for cooling or heating.Nest thermostats are compatible with many different types of heating systems, including boiler systems. Use our online Compatibility checker to quickly check if your heating system can work with a Nest Learning Thermostat or Nest Thermostat E. A local pro installer will also be able to tell if your system is Nest compatible (and rewire it to be ...Check Wi-Fi Connectivity. Ensure your Nest thermostat is connected to Wi-Fi. A stable internet connection is essential for proper functioning and compatibility. 9. Reset Your Thermostat. Perform a factory reset on your Nest thermostat to eliminate any software glitches that could be causing compatibility problems. 10.Alexa controls your Nest thermostat a bit differently when it's in Heat • Cool mode, which can automatically switch between heating and cooling as needed. For instance, if you ask Alexa to set the temperature to 72 degrees, both the lower and upper limits of your thermostat's temperature range should be set to the 68 to 75 degree range ...The Google Nest Smart Programmable Wifi Thermostat in Snow is currently priced at $89.99. This device is designed for easy self-installation, which typically takes less than … Wire nuts are often used to connect the thermostat to the system wires. High voltage thermostats are usually labeled 110, 115, 120 or 240 VAC. Note: In some cases, it is possible to make a high voltage system Nest-compatible. Contact a local professional and have them install a step down transformer to 20 - 30 V. The Nest Compatibility Checker is easy to use and provides accurate information, giving you peace of mind when making a purchase. So, if you’re considering upgrading to a Nest thermostat, be sure to try out the Nest Compatibility Checker first to avoid any compatibility issues. Compatible with Google Nest Thermostat 1st/2nd/3rd Wall Plate Cover - Petrichor Nest Thermostat Trim Kit, Made for Google Nest Thermostat 1st/2nd/3rd, Cover Imperfections Easy to Install - Black. $15.99 $ 15. 99. Get it as soon as Monday, Apr 22. In Stock. Sold by PetrichorLife and ships from Amazon Fulfillment.nest.com/privacy Compatibility. The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common …The Nest thermostat E + Goodman packs brains and brawn into one powerful product. Homeowners get what they want: a simple user interface, remote control 1 and monthly system performance reports 2. Goodman dealers will love the seamless installation of the Nest thermostat with any new Goodman system. The Nest thermostat is backed by a …This item: Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Compatible with Alexa - Stainless Steel $268.99 $ 268 . 99 Get it by Thursday, Apr 4Differences in the ring and display. The tables below show key differences between thermostats. The Nest Thermostat can be in different colors. If you have a thermostat …Yes, the Nest thermostat is designed to work with most air conditioning systems. However, it may not be compatible with all AC units. If you’re unsure whether or not your AC unit is compatible with the Nest thermostat, you can contact Nest customer support for help. Nest thermostats are designed to work with a wide range of HVAC …nest.com/privacy Compatibility. The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common …Sep 24, 2020 · Compatibility: The Nest Thermostat E works with 85% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar and geothermal. | Heating and Cooling: 1 stage of heating (W1) and cooling (Y1) and a second stage of either heating (W2) or cooling (Y2). | Heat pump: with auxiliary and ... Compatible with: Amazon Alexa, Google Home, Samsung SmartThings For a simpler setup, the Google Nest Learning Thermostat is the best choice because built-in AI does most of the work for you. It ...Smart thermostats can range from $100 to $300, so it's important to determine a budget before making any purchases. The Honeywell Lyric T5 is an affordable option that is often on sale for under $100, while the Nest Learning Thermostat is one of the more expensive options, coming in at around $300. 2. Compatibility. Identify a thermostat wire. You’ll need to check your current thermostat’s wires to tell if your system is Nest thermostat compatible, and which thermostat models it will work with. Usually, you just remove your thermostat’s cover and enter the wires you find into the compatibility checker. The Nest app and Home app will also let you know ... Google Nest Temperature Sensor- That Works with Nest Learning Thermostat and Nest Thermostat E - Smart Home, White. $3699. elago Wall Plate Cover Designed for Google Nest thermostat E Wall Plate (2017) (White) - ONLY Compatible with Nest Thermostat E, Hard ABS Material, Not compatible with 2020 models [US Patent Registered] $1599.nest.com/privacy Compatibility. The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common …Alexa controls your Nest thermostat a bit differently when it's in Heat • Cool mode, which can automatically switch between heating and cooling as needed. For instance, if you ask Alexa to set the temperature to 22°C (72°F), both the lower and upper limit of your thermostat's temperature range should be set to the 20–24°C (68–75°F range).Fil pilote systems are compatible with both the Nest Thermostat E and 3rd-gen Nest Learning Thermostat, but the wiring is a bit different. The Nest app will guide you through wiring for the Nest Thermostat E. Below is the wiring diagram for …May 8, 2023 · Google Nest thermostats are designed to work with most 24V systems, even older models, and can handle all common fuel sources, including natural gas, oil, and electricity. During setup, the Google Home or Nest app will guide you to ensure your system is compatible with your Nest thermostat before you install it. Alexa controls your Nest thermostat a bit differently when it's in Heat • Cool mode, which can automatically switch between heating and cooling as needed. For instance, if you ask Alexa to set the temperature to 72 degrees, both the lower and upper limits of your thermostat's temperature range should be set to the 68 to 75 degree range ...Nest Thermostat. Compatibility The Nest Thermostat works with most 24V heating and cooling systems, including furnaces, air conditioners, boilers, and heat pumps with either forced air or radiant delivery. · It works with conventional systems that have one stage of heating and cooling and a second stage of either heating or cooling.Stelpro Check Current Price. #2nd Choice. GoControl Check Current Price. #3rd Choice. Alarm.com Check Current Price. While smart home automation can save you a small fortune in energy bills, it's nothing without a cutting-edge thermostat. Not all units work the same efficient way, though.Best answer: No. As feature-laden as the Nest Thermostat is, it's not compatible with the Nest Temperature Sensor. If you want to use the sensor, you must …Les thermostats Nest sont compatibles avec de nombreux types de systèmes de chauffage, y compris les chaudières. Utilisez notre outil de vérification de compatibilité en ligne pour vérifier rapidement si votre système de chauffage est compatible avec un Nest Learning Thermostat ou un Nest Thermostat E.; Un installateur professionnel près de …Nest thermostats are compatible with a wide range of HVAC systems, especially the Nest 3rd Generation Learning Thermostat. The table below explains Nest …Getting started. Watch these videos to get set up quickly and easily. How to check if the Nest Thermostat is compatible with your HVAC system. How to install and set up your Nest Thermostat. Here comes the savings. Diving deeper. Made for more than comfort and control. Get familiar with a few helpful features.The interface of Nest 2nd and 3rd Gen are entirely different. Nest 3rd Generation has noticeably improved its screen quality and size. Frankly, the interface of Nest Learning Thermostat 3rd Generation is flawless. It’s clean, user-friendly and, most importantly, it learns your habits. Using Nest 3rd Generation is rather easy, and it only ... These include: • Dual fuel systems (heat pump with furnace) • Dual transformer systems (systems that have more than one R wire) • Whole-home humidifiers and dehumidifiers (compatible with Nest Learning Thermostat only) 2 Nest thermostats can only support one of these systems at a time. Nest Renew from Google works with your compatible Nest thermostat to help you automatically prioritize usage to when energy is cleaner or less expensive.** Programs …Identify a thermostat wire. You’ll need to check your current thermostat’s wires to tell if your system is Nest thermostat compatible, and which thermostat models it will work with. Usually, you just remove your …Nest thermostat compatibility To get the most out of Google Home, choose your Help Center: U.S. Help Center, U.K Help Center , Canada Help Center, Australia Help Center .Google's newest Nest Hub smart display is the best command center for your Google smart home. It balances an ideal size, rich speakers, and a wealth of features with an affordable price so that ...Single-stage: Your heating or cooling system operates at 100% capacity until it reaches your preset indoor temperature and then turns off. Two-stage: Your heating or cooling system is capable of operating at 100% capacity and a lower speed, depending on demand. Variable-speed or multi-stage: Your system offers various levels of output to match ... The Nest Thermostat can be used with a variety of heating and cooling systems, including those that use electric heat. It is easy to install and is compatible with many existing heating and cooling systems. The Nest Thermostat can be used with electric heat systems such as baseboard heaters, radiant floor systems, and forced air furnaces. Nest. Nest thermostats are compatible with the following platforms: Amazon Alexa. Google Assistant. Microsoft Cortana . IFTTT. Google Assistant and Alexa allow you to control the Nest thermostats using voice commands. Amazon Alexa, Google Assistant, and IFTTT allow you to set a wide range of automation features and programs. You can …nest.com/privacy Compatibility. The Nest Thermostat E works with most 24V systems, including forced air, variable speed, heat pump and radiant systems, as well as common …Option 1: Starling Home Hub. The Starling Home Hub is a simple yet effective solution to connect your Nest devices with Apple HomeKit and Siri. You can set it up within five minutes and get all your Nest products connected to Apple HomeKit, all you need is the home hub, a Wi-Fi router, and an Apple device, such as an iPad or iPhone. 8.2.Nest cameras and doorbells; Nest thermostats; With the Google Nest skill for Amazon Alexa, you can do things like: Tell Alexa to change the temperature of your home. Show your Nest camera's live view on Alexa devices with a display. Get notified when someone rings the doorbell. Talk to a visitor through your doorbell.Voice Control: Alexa, Google Assistant. The T5 Smart Thermostat is a user-friendly smart thermostat with a sleek display. It's an easy-to-install thermostat that can handle heat pump systems with efficiency, comfort, and longevity in mind. Mobile App and Compatibility with Smart Home Ecosystems. The Nest Learning Thermostat works with 95% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar, and geothermal. View the tech specs for and learn how to install the Nest Learning Thermostat. Control the thermostat from your smartphone via the Nest app. Nest Thermostat. Compatibility The Nest Thermostat works with most 24V heating and cooling systems, including furnaces, air conditioners, boilers, and heat pumps with either forced air or radiant delivery. · It works with conventional systems that have one stage of heating and cooling and a second stage of either heating or cooling. This item: Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Compatible with Alexa - Stainless Steel $268.99 $ 268 . 99 Get it by Thursday, Apr 4 The table below summarizes systems that are generally compatible with Nest thermostats, however, you need to use the online Compatibility Checker for a definitive answer about what will work... Unfortunately, the new Nest Thermostat isn't compatible with them, making it a better fit for smaller homes or apartments. Nest Thermostat versus Nest Thermostat E: Don't upgrade, but consider ...Tap Next. The app will look for any devices, and if it doesn’t automatically find the thermostat, it will ask you to select your product from a list. Tap Nest Thermostat from this list and scan ...Nest Thermostat. Compatibility The Nest Thermostat works with most 24V heating and cooling systems, including furnaces, air conditioners, boilers, and heat pumps with either forced air or radiant delivery. · It works with conventional systems that have one stage of heating and cooling and a second stage of either heating or cooling.Nest thermostats are not compatible with stranded wires. Do not connect the Nest Thermostat to stranded wires. Learn more about stranded wires . 4. Remove jumper wires and save them. Jumper wires are short wires between two connectors. The Nest thermostat doesn’t need them. Nest Thermostat. Compatibility The Nest Thermostat works with most 24V heating and cooling systems, including furnaces, air conditioners, boilers, and heat pumps with either forced air or radiant delivery. · It works with conventional systems that have one stage of heating and cooling and a second stage of either heating or cooling. Compatible with select Nest thermostats. Including Nest Learning Thermostat, 3rd Gen and Nest Thermostat E. The Nest Temperature Sensor is easy to set up; just hang it on the wall or place it on a shelf ; The Nest sensor runs on batteries so it works in most homes; batteries can last up to 2 years ; Add up to 6 sensors for each compatible Nest ... Nest: Dehumidifier Set Humidity. Turn to set the maximum humidity the Nest thermostat should maintain. An empty drop indicates off. The relative humidity is now under the Nests control, and can be set to the actual percent of relative humidity desired. Note: 30% relative humidity is the lowest maximum setting possible. Common Questions About Nest Thermostat and Ring. One of the most common questions people have when considering a Nest thermostat and Ring smart home system is whether or not they are compatible. The answer is yes, the Nest thermostat can be connected to the Ring system. This allows users to remotely control their Nest thermostat from their Ring ... Nest Renew from Google works with your compatible Nest thermostat to help you automatically prioritize usage to when energy is cleaner or less expensive.** Programs itself. Learns your schedule and the temperatures you like and programs itself to help you save energy and stay comfortable. Most people install it in 60 minutes or less. Nest Thermostat. Colour. Fog, Sand, Charcoal, Snow. Screen. 6 cm (2.4 in) colour LCD. 240 x 320 resolution. Mirrored glass finish. Compatibility. Nest Thermostat works with most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps with either forced-air or radiant delivery.You needed to remove your thermostat from your account for some reason and want to add it back. On the Nest app home screen, tap Settings . Tap Add product. The app will switch to a camera view to scan the thermostat’s QR code. To get the QR code, go to your thermostat and press it to open the Quick View menu.Nest thermostats are compatible with many different types of heating systems, including boiler systems. Use our online Compatibility checker to quickly check if your heating system can work with a Nest Learning Thermostat or Nest Thermostat E. A local pro installer will also be able to tell if your system is Nest compatible (and rewire it to be ...The Ecobee Smart Thermostat Premium does a lot more than that Nest Learning thermostat. It works as a smart speaker, and it has a built-in microphone. So …Google Nest Temperature Sensor- That Works with Nest Learning Thermostat and Nest Thermostat E - Smart Home, White. $3699. elago Wall Plate Cover Designed for Google Nest thermostat E Wall Plate (2017) (White) - ONLY Compatible with Nest Thermostat E, Hard ABS Material, Not compatible with 2020 models [US Patent Registered] $1599. The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory. Identify a thermostat wire. You’ll need to check your current thermostat’s wires to tell if your system is Nest thermostat compatible, and which thermostat models it will work with. Usually, you just remove your …A free, over-the-air update will make Google’s new Nest Thermostat (2020) the first thermostat to support the new smart home standard Matter. This also means it will now work natively with Apple ...Google Nest Temperature Sensor- That Works with Nest Learning Thermostat and Nest Thermostat E - Smart Home, White. $3699. elago Wall Plate Cover Designed for Google Nest thermostat E Wall Plate (2017) (White) - ONLY Compatible with Nest Thermostat E, Hard ABS Material, Not compatible with 2020 models [US Patent Registered] $1599.Differences in the ring and display. The tables below show key differences between thermostats. The Nest Thermostat can be in different colors. If you have a thermostat … Compatibility: The Nest Thermostat works with most 24V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps with either forced air or radiant delivery. It works with conventional systems that have one stage of heating and cooling and a second stage of either heating or cooling. Turn the ring to Settings and press to select. Choose Nest app Get Entry Key. Your thermostat should show you a 7-character key to enter in the Nest app. 4. Restart your router and modem. Restart your router and modem to reset your internet connection. You should also restart any Wi-Fi range extenders or repeaters.Nest Thermostat. Colour. Fog, Sand, Charcoal, Snow. Screen. 6 cm (2.4 in) colour LCD. 240 x 320 resolution. Mirrored glass finish. Compatibility. Nest Thermostat works with most 24 V heating and cooling systems, including furnaces, air conditioners, boilers and heat pumps with either forced-air or radiant delivery.Nest cameras and doorbells; Nest thermostats; With the Google Nest skill for Amazon Alexa, you can do things like: Tell Alexa to change the temperature of your home. Show your Nest camera's live view on Alexa devices with a display. Get notified when someone rings the doorbell. Talk to a visitor through your doorbell.My Nest Home. Settings. Easy to install, learns your schedule, programs itself, and uses Wi-Fi to connect to your phone. It’s better than smart. It’s thoughtful.This item: Google Nest Learning Thermostat - Programmable Smart Thermostat for Home - 3rd Generation Nest Thermostat - Compatible with Alexa - Stainless Steel $268.99 $ 268 . 99 Get it by Thursday, Apr 4A Honeywell Wi-Fi Smart Thermostat is roughly $100 cheaper than a Nest Smart Thermostat. Both devices are compatible with most 24-volt HVAC systems. While Honeywell has a touch screen, Nest works with Alexa-enabled devices for voice control. Nest features learning technology that Honeywell does not. Honeywell’s style is more …Nest Renew is a free service for your compatible Nest thermostat that makes it easy to support clean energy at home 1.It works with your Nest thermostat to help automatically shift your usage 2 to times when your grid is cleaner or energy is less expensive.That way, it’s simple to track the positive difference you’re making to the environment and … You needed to remove your thermostat from your account for some reason and want to add it back. On the Nest app home screen, tap Settings . Tap Add product. The app will switch to a camera view to scan the thermostat’s QR code. To get the QR code, go to your thermostat and press it to open the Quick View menu. Nest thermostat is compatible with many other devices including Alexa, Google Assistant, Philips Hue bulbs, IFTTT, smart appliances, smart watches, and more. What makes the app unique among smart thermostats is that you can use the same app to adjust all Nest devices, including Nest security cameras, doorbell, security system, and more. It can ...The Nest Learning Thermostat isn't compatible with Apple HomeKit. $180 at Best Buy $130 at Amazon. 8.2. Nest Thermostat. Like. Its $130 price; Improved design; Don't like.The Nest Temperature Sensor is battery-powered so you don't need any special wiring or an outlet to use it. It connects to your 3rd gen Nest Learning Thermostat or Nest Thermostat E over Bluetooth Low Energy (BLE) and has a range of about 50 ft (15 m), so it should work in most homes.Using the mitsu interface to a thermostat turns a smart mini split device into a very dumb one. Along with the change you will also lose some of the efficiency features that make mini splits great. I was also considering the thermostat interface for my Mitsu minisplits, but decided against it for all these reasons.If you want a smart thermostat without monthly fees, the Google Nest Thermostat † is a good candidate. It’s compatible with a range of HVAC systems and does the same job as the Vivint Element. It also works with the Vivint security system. We also like more budget-friendly choices like Honeywell and Ecobee, but you may have issues …The Nest Thermostat (2020) is the most affordable Google Nest thermostat and is arguably the easiest to use. Smart voice control is not included in the device itself, so you'll need an Echo ...Alexa controls your Nest thermostat a bit differently when it's in Heat • Cool mode, which can automatically switch between heating and cooling as needed. For instance, if you ask Alexa to set the temperature to 22°C (72°F), both the lower and upper limit of your thermostat's temperature range should be set to the 20–24°C (68–75°F range).Within the "Smart Home" menu, scroll down to the second section labeled "Device Links" and look for the Nest entry. Select "Link with Nest". Clicking the link will kick you over to a page at home.nest.com where you will be prompted to authorize Amazon access to your Nest account. Click "Continue". When prompted, log into your account …
The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory. . Mapstar
Nest thermostats are compatible with a wide range of HVAC systems, especially the Nest 3rd Generation Learning Thermostat. The table below explains Nest …Nest: Dehumidifier Set Humidity. Turn to set the maximum humidity the Nest thermostat should maintain. An empty drop indicates off. The relative humidity is now under the Nests control, and can be set to the actual percent of relative humidity desired. Note: 30% relative humidity is the lowest maximum setting possible. Tap Settings. Tap Services Amazon Alexa skill . Follow the instructions on the screen to enable the skill in the Alexa app. Add or remove a Nest device from Alexa. If you install another Nest device in the Google Home app and also want to control it with Alexa, you need to grant access permission as follows: Helps make sure a certain room is the exact temperature you want it to be. Put temperature sensors in different rooms. And choose which room to prioritize when. Place it on a wall or shelf. Set it up in the Nest app. Then forget that it’s even there. Works with the Nest Thermostat E or the 3rd gen Nest Learning Thermostat.While Nest thermostats work with most 24V systems, there are some system types and some specific models from various manufacturers that are incompatible. Others may need to have a C wire or the Nest Power Connector connected to be compatible. Go to the following article for a list of system types that aren’t Nest compatible.Check Wi-Fi Connectivity. Ensure your Nest thermostat is connected to Wi-Fi. A stable internet connection is essential for proper functioning and compatibility. 9. Reset Your Thermostat. Perform a factory reset on your Nest thermostat to eliminate any software glitches that could be causing compatibility problems. 10.Option 1: Starling Home Hub. The Starling Home Hub is a simple yet effective solution to connect your Nest devices with Apple HomeKit and Siri. You can set it up within five minutes and get all your Nest products connected to Apple HomeKit, all you need is the home hub, a Wi-Fi router, and an Apple device, such as an iPad or iPhone. 8.2.The Nest Learning Thermostat works with 95% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar, and geothermal. View the tech specs for and learn how to install the Nest Learning Thermostat. Control the thermostat from your smartphone via the Nest app.This allows you to connect any thermostat with Z-Wave technology to the Ring app. If you have a Ring Alarm, follow the steps below to link your ecobee Smart Thermostat to Ring: Open the Ring app. Tap the menu icon in the top-left corner. Press “ Set Up A Device .”. Tap Thermostats > Z-Wave Thermostats. Follow the on-screen …Nest Renew is free to join and works with your compatible Nest thermostat to help you automatically prioritize usage to when energy is cleaner or less expensive. Save at home …These include: • Dual fuel systems (heat pump with furnace) • Dual transformer systems (systems that have more than one R wire) • Whole-home humidifiers and dehumidifiers (compatible with Nest Learning Thermostat only) 2 Nest thermostats can only support one of these systems at a time.The 2nd generation Nest Learning Thermostat is compatible with 95% of low voltage heating and cooling systems, including 2nd stage cooling, 3rd stage heating, dual fuel, emergency heat, and whole-home humidifiers and dehumidifiers. Nest’s unique new connector can accept any one of four wires (W3, E, HUM or DEHUM), which means …277. 186K views 3 years ago. Google Nest thermostats are designed to work with most 24V systems, even older systems. They work with all common fuel types including natural …A low-cost smart thermostat that can be controlled from the Ring app. $88 $100 Save $12. Honeywell offers a range of smart thermostats. The T5 is a low-cost … My Nest Home. Settings. Easy to install, learns your schedule, programs itself, and uses Wi-Fi to connect to your phone. It’s better than smart. It’s thoughtful. Alexa controls your Nest thermostat a bit differently when it's in Heat • Cool mode, which can automatically switch between heating and cooling as needed. For instance, if you ask Alexa to set the temperature to 72 degrees, both the lower and upper limits of your thermostat's temperature range should be set to the 68 to 75 degree range ... Wire nuts are often used to connect the thermostat to the system wires. High voltage thermostats are usually labeled 110, 115, 120 or 240 VAC. Note: In some cases, it is possible to make a high voltage system Nest-compatible. Contact a local professional and have them install a step down transformer to 20 - 30 V. .