Suuwer Non-Programmable Thermostats for Home 1 Heat/1 Cool Conventional Single-Stage Systems

【Thermostat Applications】for with Conventional Single-Stage Heating (Gas/Oil/Electric Furnace) & Ventilation & Air Conditioning up to 1 Heat and 1 Cool. ( TIP: Does not work Multistage Heating & Air Conditioning and HVAC Central Air Conditioner Heat Pump System )