Air Purifiers/Electronic Air Cleaners – Air cleaners improve air quality to removing harmful pollutants, such as smoke, mold, viruses and allergens, from the air. Whole house systems, which are more efficient than portable models, are added to your heating and cooling system and trap and filter pollutants. They come with HEPA technology for improved filtration, carbon filtration for gaseous pollutants or UV light for disinfection depending on your family’s needs.