The Danfoss Aero® series is a comprehensive portfolio of premium quality thermostatic sensors, produced in Denmark. Danfoss Aero® thermostats use a unique gas filled technology, that gives the fastest reacting self-acting thermostat in the world. The Danfoss Aero® thermostat is installed onto a radiator valve. The combination of the thermostat and radiator valve, controls the individual room temperature at a given setpoint by adjusting the flow of hot water through the radiator. The Danfoss Aero® thermostat is applicable to all types of heating systems and thanks to its compact size fits most applications. The use of Danfoss Aero® gas-filled thermostats is highly recommended for applications with small P-band (1K).