A cooling thermostat is a device that is used to regulate the temperature of a room or building. It works by sensing the temperature of the air in the room and then automatically adjusting the temperature to the desired level. The thermostat is usually connected to an air conditioning unit or other cooling system, and when the temperature rises above the set point, the thermostat will activate the cooling system to bring the temperature back down. Cooling thermostats are an important part of any climate control system, as they help to ensure that the temperature of a room or building is kept at a comfortable level. They are also used to help conserve energy, as they will turn off the cooling system when the temperature is not needed, saving energy and money.