Save up to 26% per year on heating and cooling costs Automatically adjusts the temperature when you’re away to never heat or cool an empty home. Compared to a hold of 72°FPreheats or precools your home before you arrive, so it’s the perfect temperature the moment you walk in. Automatically adjusts to your desired temperature when you’re home or sleeping to keep you comfortable day and nightAutomatically adjusts the temperature to account for humidity so your home always feels like the temperature you’ve setEasy to install and use every day, Power Extender Kit for homes without a C-Wire. Use your smart home platform and the Ecobee app to control your thermostat from anywhere with your smartphone, tablet, or Apple WatchHardwired so you never have to worry about losing control or replacing batteriesAdd in a SmartSensor which allows you to measure the temperature in rooms that matter most.Works with most 24 VAC HVAC equipment: Gas, oil, electric, dual fuel, forced air Conventional (2H/2C) Heat Pump (3H/2C), & Boilers. Includes Power Extender Kit for homes without a C or Common Wire, to ensure an easy installationCompatible with 90% of systems