(Good) American Standard AUH1-H
American Standard's most efficient and powerful gas furnace just might be their most comfortable, too. With AccuLink™ communicating capability, continuous Comfort-R™ mode, and an array of other innovative features, the Platinum Series gives your home maximum efficiency with controlled comfort.
(Better) American Standard S9X2
The Gold S9X2 furnace offers two stages of heat and a high-efficiency CTM blower motor for comfort in cold weather, while maintaining the DNA that American Standard is known for: quality and reliability. The S9X2 is rated at 96% gas efficiency (AFUE), providing energy savings and a consistent flow of warm, comfortable air in both winter AND summer.
(Best) American Standard AUHM/ADHM
Communicating technology in a fully modulating furnace for the ultimate comfort and greater efficiency. The advanced AccuLink™ II allows the Platinum 95 to constantly calibrate itself for optimal performance year after year. The Platinum 95 is rated with up to 97.3% efficiency (AFUE) and select furnace models are Energy Star qualified. A variable-speed blower motor adjusts speed to provide a consistent flow of warm, comfortable air with quiet operation.