The Enhanced Series gas furnaces have variable-speed motors and two-stage gas control systems. The units are specially designed to help maintain a consistent temperature, control humidity levels, enhance efficiency, and keep operation sounds to a minimum. The units are available with a 94.5-percent or 80-percent AFUE rating. The high-efficiency furnaces have a stainless steel primary and secondary heat exchanger, while the mid-efficiency furnace has an aluminized heat exchanger. The 80V has the ability to be installed as a two-pipe system.
Armstrong Air Conditioning, 421 Monroe St., Bellevue, OH 44811; 800-448-5872; www.aac-inc.com.