The fresh air heat exchanger from Marley is a decentralized ventilation device convenient radio remote control, this ventilation device is optimally adapted to your needs. You constantly receive fresh, filtered and preheated air in your living space Cooling of the living space in summer operation through night reduction Finally, you can ventilate without disturbing ambient noise by opening the window Increase in the value of the property by upgrading the building technology and Power consumption (level I, II, III): I 3 watts, II 4.5 watts, at III 7 watts Sound insulation from outside: 39 dB (corresponds to window sound insulation class 3-VDI 2719) Protection class/type of heat exchanger: II/IP X2 inside, II/IP X4 outside Radio transmission: 433.92 MHz radio frequency approved according.
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