REH products can be easily controlled when a licensed electrician or contractor connects a thermostat from the power supply to the heater. According to the US Department of Energy, programmable thermostats can provide energy savings of up to 1% per degree per hour1. See our Thermostats and Accessories page to view our thermostats. 1 Resource - http://www.energysavers.gov/your_home/space_heating_cooling/index.cfm/mytopic=12720