The Zehnder ComfoAir Flex has been developed as an ideal solution for apartments and small dwellings, where an efficient use of space for living is important. Thanks to its compact design with minimal dimensions of 1068 x 868 x 327 mm (L x W x H), the Zehnder ComfoAir Flex enables space-saving installation in suspended ceilings for a harmonious integration into any apartment. The Zehnder ComfoAir Flex delivers an impressive performance with air volumes up to 350 m³/h at an external pressure of 200 Pa, to guarantee a comfortable and healthy indoor climate. Additionally the new innovative ventilation unit from Zehnder is fitted with what have been proven to be the quietest fans on the market in their size. Even during full operation, the residential ventilation unit convinces with low casing radiation which provides an incredibly quiet noise level for more comfort in your home. In conjunction with the custom made heat exchanger, it`s possible for our new ceiling mounted unit to achieve an excellent energy efficiency with very low electric consumption. Due to high quality components which are custom made to work together in perfect harmony, the ComfoAir Flex enables an efficient, reliable and durable operation. With the enhanced filter concept with standard ISO Coarse (G4) filters for supply and extract air and the optional ePM 1 (F7) filter, the Zehnder ComfoAir Flex can deliver pollen free fresh air. Moreover the filter replacement is always at the right time, due to a time and flow based filter alert.