The term “thermostat” most commonly refers to any unit that controls the operation of a heating and / or cooling system. Thermostats are used to turn on heating or cooling systems to bring the home to a set temperature. It also p can be used to manage the timing of the system’s functions, which can control overall energy use and cost. For all your heating and cooling needs call Premier Air Colorado at 303-993-9060 and check out our website at