The Modul-AIR ALL-E Exhaust Air Heat Pump (EAHP) and optional Green Comfort provides mechanical ventilation with heat recovery (MVHR), domestic hot water (DHW) & heating via radiators or underfloor (UFH).

It uses the waste heat from the extract ventilation through a heat pump cycle to provide the heating and hot water for the dwelling. When fitted with the optional Green Comfort the supply air to the habitable space is pre-heated to increase the occupants comfort level and thus reducing the load on the radiators or underfloor heating in the dwelling.