Google Nest Thermostat Smart Thermostat - Programmable Wifi Thermostat, Charcoal

We are in an old home and it unfortunately wasn’t compatible with our unique system. Details: * ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Connectivity : Wi-Fi - 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy * The Nest Thermostat is 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 * Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home. * Programmable thermostat that lets you create an energy efficient schedule in the Google Home app on your Android or iPhone * Remote control lets you change the thermostat temperature from anywhere on a phone, laptop, or tablet * Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app * Control Nest Thermostat with Google Home and other smart home platforms. Compatible with Google Assistant and all Matter-certified voice assistants. Voice control requires a compatible smart device. * Connectivity : Wi-Fi - 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy Missing box and 2 screws.