The T5 Smart Thermostat allows you to take comfort knowing your home temperature will always be just how you like it. It's easy to install and use and conveniently fits in with your lifestyle. The T5 thermostat is ENERGY STAR certified and you can program it based on your schedule, or let it adapt to your life as plans change. Control the thermostat from anywhere simply by using your smartphoneto help ensure maximum comfort when you're at home and saving you money on your energy bills.