AUE American Standard 80 Furnace. Reliable, affordable American Standard Heating & Air Conditioning.
AUD1 Freedom® 80 Single-Stage Furnace. Get what you pay for: uses minimum fuel for all the heating you need.
AUD1-H Freedom® 80 High Efficiency Single-Stage Furnace. A quiet and efficient furnace for reliable heating
AUD2-V Freedom® 80 Comfort-R™ Variable-Speed Furnace. Quiet, efficient heat to keep your entire home cozy.
AUD-ACV Freedom® 80 Comfort-R™ Variable-Speed Communicating Furnace. Incredible two-stage home comfort with AccuLink™ connectivity.*