Danfoss is a Danish multinational company, based in Denmark, with more than 41,928 employees globally. Danfoss was founded in 1933 by engineer Mads Clausen.
Danfoss headquarters in Nordborg, Denmark
Cutaway model of Danfoss's first automatic valve
The office of Mads Clausen as he left it in 1962
Thermostatic radiator valve
A thermostatic radiator valve (TRV) is a self-regulating valve fitted to hot water heating system radiator, to control the temperature of a room by changing the flow of hot water to the radiator.
A thermostatic radiator valve on position 2 (15–17 °C)
Installed thermostatic radiator valve with the adjustment wheel removed
Cutaway model of a thermostatic radiator valve