Thermostat
Thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system’s temperature is maintained near a desired setpoint.Thermostats are used in any device or system that heats or cools to a setpoint temperature. Examples include building heating, central heating, air conditioners, HVAC systems, water heaters, as well as kitchen equipment including ovens and refrigerators and medical and scientific incubators.