Heil IIS90 Series Gas Furnace At A Glance

Innovative design and proven technology provide superior performance and ultra-quiet operation.

Unique, solid door construction enhances the thermal-lined cabinet to minimize operating sounds and maximize heat retention. Solid doors and steel cabinet design provides superior strength and durability.

Direct vent option uses clean outdoor air for combustion.

• Two-stage system reduces temperature and humidity swings in the home by heating and cooling more evenly.
• Energy-saving high efficiency operation of 92.1% AFUE.
• 7 year No Hassle Replacement Warranty* gives you a brand new unit should the heat exchanger fail.
• Lifetime limited warranty* on the primary and secondary heat exchanger.
• 5 year limited warranty* on all functional parts.
• HELP® (Homeowner’s Extended Labor Program) available.

* See published warranty for complete details.