WARNING: Any attempt to connect low and high voltage thermostat parts may damage them as well as your system. Do not mix and match these bases and displays, even if the thermostats are the same model and generation. The display of the Learning Thermostat has a feature called Farsight, which senses your presence and turns the screen on, conveniently showing the current and target temperature (or the local weather) when you walk by. Note:Only one of the wires that go into theconnector (HUM,DEHUM,E,W 3,G 3) can be connected to the Nest thermostat. The 3rd-genNest Learning Thermostat supports systems with either multiple fan speeds (G 2/G 3) or with multiple stages of heating (AUX/W 2/W 3) and cooling (Y 2). The app will show you how to install your thermostat. It will ask you some questions about your thermostat wires. Answer them as accurately as possible. The display connector on the thermostat base is different for all 3 generations of the Nest Learning Thermostat. In addition, the connectors for the system wires are different between thermostat models.

Both models of smart thermostat automatically turn down when you leave home, based on the location of your smartphone, and they can be controlled from anywhere via the Google Home app. As long as the thermostat base is from the same model, generation, and country/region as the thermostat display, you can swap bases and displays. TheNest Thermostat E works with 85% of 24 V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar and geothermal.

The cheaper Nest Thermostat does not do this, and instead relies on you creating a schedule for it to follow, or adjusting the temperature manually.

They can program themselves to create a personalized schedule and turn down automatically to save energy when you’re away. You can control your thermostat from a phone, tablet, Google Home Hub or even an Android Watch or Apple Watch with the Nest or Google Home app. And, you can use your smart speaker or display to change the temperature with your voice—just say, “Hey Google, set the temperature to 68.” Brass is warm and subtle - it can act as a pop of color for your home or blend in with other metal accents you may have. The Learning Thermostat comes with a trim plate included in the box. This is often needed if the Nest is smaller than the thermostat it is replacing and is used to hide the hole left by the old device. Nest’s marketing images usually show the thermostat neatly mounted directly to the wall, but in most cases, you’ll have to use the trim kit to hide the mess created by the removal of the old thermostat.As long as the thermostat base is from the same model, generation and country/region as the thermostat display, you can swap bases and displays. WARNING:Attempting to connect parts from different Nest thermostat models may damage your thermostat as well as your system. Heating and Cooling: one stage of heating (W1) and cooling (Y1) and a second stage of either heating (W2)or cooling (Y2). If you have a dual fuel system or a whole-home humidifier/dehumidifier, it is strongly recommended that you choose professional installation. Or, put a sensor in the bedroom and tell the thermostat to prioritize that room, keeping it warm (or cool) regardless of the temperature where the thermostat is installed.

Your home is your space. It’s also a place where you can express your style with color and personal touches. And we want our products to reflect your aesthetic while giving you the help you need. So we recently introduced three new colors to the Nest Learning Thermostat lineup (bringing the total to seven) to give you more options to fit your style. WARNING:Any attempt to connect low- and high-voltage Nest parts may damage them as well as your system. Do not mix and match these bases and displays, even if the thermostats are the same model and generation. The Nest app’s step-by-step instructions make it easy to install and wire your thermostat, so use it as your main guide. Refer to this article if you need extra help. Nest thermostats look similar and share similar software, but there are some important differences that you’ll need to know for troubleshooting, installation and more. You can look at the display, the base, the Heat Link or in the Nest app to find out which Nest thermostat you have.

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WARNING: If you attempt to connect parts from different thermostat models, it may damage your thermostat as well as your system.Some systems, including heating-only, cooling-only, zone-controlled, and heat pump systems, require a C wire or the Nest Power Connector. Go to g.co/nest/cwire for details. The Nest Learning Thermostat E is designed to work even if your home doesn't have a common C wire, but installation ofa new C wire or the Nest Power Connectormay be required in rare cases. The Nest Learning Thermostat is designed to work even if your home doesn't have a commonCwire, but installing a newCwire may be required in rare cases.