AMS inc. experts will conduct an evaluation, and choose a system to provide you with the highest possible efficiency, which gives you the lowest possible utility bills! Our team will consult with you on your particular needs, and make sure that your home is heated comfortably. We sell, service, and install a variety of furnaces ranging in 80, 90, and 92 percent efficiencies. We offer most brand names, and recommend Bryant, Train, and Carrier. There is a limited lifetime warranty on the heat exchanger, and five years on the parts.