Vent-Axia Heat Recovery Unit with top access making it ideal for loft installations. It is ideal for single bedrooms/bathroom applications situated in hotel rooms, nursing homes and residential care homes. It is a self-contained heat recovery unit for mounting in lofts and suspended ceilings. The unit is supplied without controls to allow for the unit to be tailored to suit the individual requirements. It is compatible with standard 100mm ducting for connection to internal grilles and external cowl. The unit comes fitted with a single 2-speed motor and provides continuous low volume ventilation with a boost option. A variety of control devices are available for manual or automatic speed control. An integral heat exchanger transfers heat from the outgoing stale air to the fresh air supply, raising the supply air temperature whilst at the same time reducing its relative humidity.