Fedders has been a recognized name in the heating and air conditioning community for many years. Beginning as a room air company, Fedders has evolved to a full line of residential products. The furnace line offers models of 80% single stage and variable speed two stage in the 80% as well as the 95% models. The room air line covers the range of 5,000 through 32,000 btus and includes portables, through the wall and room air with both heat and cooling modes.