78739660
Oct 25, 2005
Mar 13, 2007
Air heat recovery apparatus; apparatus for waste heat recovery; heat recovery ventilation units for removing condensation, household dust, humidity, bacteria, radon gas, carbon dioxide, odours, pollen, cigarette smoke, toxic gases, vehicle pollution, crop spray, stachybotrys, mould and organic dust dampness; apparatus for exhausting dust, fumes and particles; apparatus for extracting dust, fumes and gases; ventilation installations for buildings
Environmental Control Apparatus