Our installation video will walk you through the steps to install your Nest thermostat and add it to your account in the Nest app.

thermostat wire - Google Nest Help Identify a thermostat wire - Google Nest Help

The Nest Learning Thermostat’s * connector lets you install a humidifier, a dehumidifier, emergency heat, multiple fan speeds, or a 3rd stage of heating. Heat pump systems sometimes have auxiliary heat to help heat your home more quickly or to help heat your home when it’s too cold outside for your heat pump to run. If you need help finding your HVAC system’s control board, consult the user guide for your HVAC system or contact a local HVAC professional in your area. WARNING: If you attempt to connect parts from different thermostat models, it may damage your thermostat as well as your system. The Nest app will guide you through thermostat installation, but here are some more detailed instructions to walk you through everything you need to do to install your Nest thermostat on the wall.Emergency heat is usually used when it’s too cold outside for your regular heater to keep your home warm. In the meantime, please visit our Help Center for troubleshooting articles and our Community Forums. There are a few ways to save energy with your thermostat like setting an Eco Temperature when no one’s home, reviewing your Home Report to monitor your energy use, or joining an energy saving program.

guide to the Nest thermostat - Google Nest Help Beginner’s guide to the Nest thermostat - Google Nest Help

Some international systems, such as Buderus boilers, have dry contacts or other incompatible wiring. If your system doesn’t turn on after you’ve turned the power back on, double check that the panel is shut properly and that any latches are secured.

Use our interactive tool to tell if your system is compatible, and which Nest thermostat models will work with your system.