Smart Thermostat For House, Wifi Programmable Thermostat, Energy Saving Before purchasing, you need to check your system?s compatibility with our EdgeAnt support.Check your home's compatibility with the EdgeAnt smart thermostat at: support.edgeant.com/check/ ???? ??? ???? ????: 2-Wire heat only, electric baseboard heat (120-240V), Line (High) voltage systems, Millivolt systems, Non-standard labels (1,2,3, or A, B, C), Humidifiers, Dehumidifiers Wide Compatibility: This thermostat is compatible with 90% of home systems, including Conventional (2H/2C) and Heat Pump (4H/2C). It supports natural gas, electric, hot water, gas fireplaces (24V), and oil heat sources. Note that all system types require a common wire (C-Wire). The EdgeAnt Thermostat is designed to work with most 24V systems: furnaces, air conditioners, boilers, heat pumps with AUX or Emergency Heat. Only for 2.4GHz WiFi; ?????? ???? (?-????) ?? ???????? Energy Saving: Reduce heating and cooling costs by over 25% annually. Track your energy savings through the 'Smart Life' App and contribute to a greener home. App Control Voice Control: Adjust the temperature from anywhere using your phone or turn it off when you're away. And compatible with Alexa and Google assistant for hands-free voice control. Keep pets comfortable and prevent frozen pipes. Easily share control with guests and family through the Smart Life app. Live Smart Save Energy: With 7-day programmable schedules, this thermostat automatically adjusts your home's temperature to ensure comfort upon arrival while reducing HVAC expenses. Versatile Functions: Our programmable thermostat includes temperature alerts, filter change reminders, automatic time/date synchronization, and a child lock feature. These functions ensure both comfort and peace of mind for your home.