The Armstrong Furnace 1.841226 Comfort Sync A3 Wi-Fi Thermostat is an advanced smart HVAC control system designed to manage residential heating and cooling operations. It communicates with compatible Armstrong Air and AirEase furnaces, air conditioners, heat pumps, and air handlers to regulate indoor temperatures efficiently. Featuring a high-definition touchscreen and Wi-Fi connectiv... https://www.partshnc.com/1-841226-armstrong-furnace-comfort-sync-a3-wifi-stat