Insteon Venstar Thermostat, Insteon Integrated Remote Control Thermostat 7-Day Programmable Save energy and money on bills by remotely controlling your thermostat Works with heat/cool and heat pump systems All settings are stored in non-volatile memory and are not lost during power failures Award-winning Insteon technology: the ultimate in simplicity and reliability Because the thermostat is an RF-only Insteon product, at least one dual-band Insteon device is required.