Decentralized ventilation appliance for ventilating and venting of rooms for heat recovery from exhaust air has two separate air flows in appliance each conveyed with fan and each filtered by air filter before heat transmission

摘要

The ventilation appliance is designed with a flat structure so that it is especially suitable for an arrangement behind a hingeable heater of a hot water central heating system. A common outside air pipe is provided for the blowing out of the exhaust air and the sucking in of fresh air, with a partition between both the air flows.