High voltage thermostats are often built into the wall and typically have two to four thick wires coming out of the thermostat. However, some systems that are high voltage use a higher current (sometimes as high as 16A or higher) - for example, electric radiators or electric underfloor systems. And it’s easy to install yourself, usually in 30 minutes or less. The Nest Learning Thermostat is compatible with most central heating systems. To be sure the new model is compatible, use the Nest online Compatibility Checker to make sure it works in your home before purchasing. If you see wires in your thermostat’s connector that have non-standard labels (for instance 1,2,3, or A, B, C) your system is proprietary. Remote sensor wires are typically used to give your thermostat outside weather data. District or collective heating systems that are controlled by an accessible individual electric valve are compatible with Nest thermostats. Some international systems, such as Buderus boilers, have dry contacts or other incompatible wiring. The online Compatibility Checker has full instructions to see if your heating and cooling systems are compatible with Nest thermostats, but here is some additional information to help you as you use it. Check your Order history before placing another order. You can also check your system’s compatibility before purchasing a Nest thermostat with our online. You’ll also get a personalized wiring diagram as part of the process. But Nest thermostats don’t need wired sensors since they get weather information over Wi-Fi. 3rd gen Nest thermostats are compatible with many different types of heating systems, including boiler systems. 1 Your system requires advanced configuration and wiring. And it’s easy to install yourself, usually in 30 minutes or less. Some system hardware such as gas valves and zone or relay panels require a C wire to work with Nest thermostats. The Nest Thermostat E’s  *  /OB connector lets you install a heat pump, a second stage of heating, or a second stage of cooling. Condensing boilers are so efficient because they use the waste heat from the boiler’s flue gas to heat the water. Tip: You can listen for your system to turn on, or put your hand near a vent to feel if there’s warm or cool air coming through. 6. And it’s easy to install yourself, usually in 30 minutes or less. If you’re having trouble identifying a wire, or want to learn about what it controls, see the following article for details. There are some key differences between Nest thermostats and what systems will work with each. The method may depend on your local electrical code requirements. Costs can vary depending on how difficult it is to route a new wire through your walls. However, there are some zoned systems that require a C wire to work with a Nest thermostat. If you have a zoned system (more than one thermostat in your home), each zone can be controlled by a Nest thermostat and Heat Link. Install the Nest Base, and Connect Wires. Your shipping address couldn’t be changed. How to Check Heating and Cooling Stages. When you’re done, reinsert it into the correct connector. Just say, “Hey Google, turn up the heat.”¹ The Nest Thermostat looks out for your heating or cooling system. Some covers simply pull off, while others need to be unscrewed. Heat pumps look similar to air conditioners, so check the label on your outdoor unit to make sure it’s a heat pump. If something doesn’t seem right, it can send an alert. The options you have for controlling your hot water with the Nest app depend on what type of boiler/hot water heater you have. The installer must have access to the heating valve so they can connect it to the Nest Heat Link, which is included with your thermostat. Visit the store. These systems use much less electricity than low voltage systems and can't deliver the right amount of power to Nest thermostats. You have a dual fuel system if you have a furnace inside of your home, and a heat pump on the outside of your home. Nest Compatibility Checker Doesn't Give Wiring Diagram – Technology creates a better life and it is true. Make sure that the connector labels are readable. to make sure your heating and cooling system (s) are compatible. The Nest Thermostat is compatible with the majority of houses and installs in 30 minutes or less. The fil pilote electric radiator systems in France are compatible with the Nest Thermostat when installed by a Nest Pro. If you'd like to double-check your home's compatibility, just use this tool and you'll know in a few moments. Proprietary systems use a serial communication protocol between the system and the thermostat. Just say, “Hey Google, turn up the heat.”¹ The Nest Thermostat looks out for your heating or cooling system. Temperature Sensors are not compatible with Google Nest 1st or 2nd Generation thermostats or other Wi-Fi thermostats. Thermostat Compatibility Checker; What types of HVAC systems are ecobee thermostats compatible with? Multi-Speed Fan installations; What do my thermostat's wire labels mean? Fil pilote thermostats can also have different modes such as: On, frost, night, and day. This is because not all systems are connected to the thermostat with the same wire colors. If you have an older thermostat there may be a mid-plate that also needs to be removed to expose the wires. Proprietary condensing boiler typically only work with a thermostat from the same manufacturer. Instead, C wires help deliver power from the system to the thermostat in case the other wires can’t provide enough power. Plus, it comes in perfectly matched Nest Thermostat … North America; Canada (English) Canada (Français) México (Español) United States (English) Europe and Middle East; To connect your system wires to the Nest Thermostat, it is essential to use the wiring diagram you will get from the compatibility checker. You will have to look inside your current thermostat, and this is where you will more than likely be met with a series of numbers and letters. You can start with one zone controlled by a Nest thermostat, and then equip other zones with Nest thermostats later. Compatibility – both thermostats are compatible with the vast majority of North American heating and cooling systems. Find the Nest products you’re looking for on the Google Store. The Nest thermostat and Nest app will show you system status information without connecting L wires. Sophisticated gadgets and gadgets also come to boost your home using technologies, one of which is Nest thermostat. If your system only has two wires, but you have both heating and cooling, your system is likely proprietary. If you have one of these systems,  contact a local pro. If you would like to find out more information about installing a C  wire,  contact a local pro. ¹ Voice control with Google Assistant requires a compatible smart device. Nest thermostats work condensing boilers that have standard On/Off control. Save a picture of your current thermostat’s wires in case you need help with Nest thermostat installation or another issue. They’re common in France and many electric radiators sold there since the 1980s are fil pilote enabled. High voltage thermostats are usually labeled 110, 115, 120 or 240 VAC. Forced-air heat pumps, condensing boilers, and other less common heating systems are compatible with Nest thermostats if they use standard cables: neutral, live, call-for-heat, common, or satisfied. It also includes a steel plate for installing the thermostat over an electrical box. Simply enter which connectors have a wire and ignore the color of the wires. Is the ecobee compatible with zone boards? Use our helpful tool to take an assessment of the existing wiring in your home. Nest thermostats can work with systems that use Service Light (L) wires. While most 24V heating and cooling systems are compatible with Nest thermostats, there are some systems that aren’t compatible. If it’s summer and you have system cooling, turn down the temperature. The label on the wire connector is what you should enter. ¹ Voice control with Google Assistant requires a compatible smart device. The common (C) wire doesn’t control heating or cooling. If you don’t have a thermostat to control your district heating, you may still be able to have a Nest thermostat installed if your heating valve is accessible to your installer. 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