Google Nest Thermostat Cotton Snow: Energy Star Certified, Wi-Fi Enabled, Smartphone App Control, Backlit Display

Smart thermostat that finds extra ways to save Control from anywhere Heating and cooling system alerts Easy schedule setup Designed to install yourself Rebates may be available 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.