Fan heaters with an open window sensor
prices on 2 models— a special sensor allows the device to automatically recognize when a window/vent is opened for ventilation. While ventilating the room, the heater either turns off completely or switches to the most economical operation mode. This function allows you to save energy, because during the ventilation process, room heat will still evaporate to the street. As a rule, the heating stop time is up to 30 minutes - in some models the exact ventilation time can be adjusted by the user.
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