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Heil IIS 90 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.
- Two-stage operation for optimum comfort.
- Energy-saving high efficiency operation of 92.1 % AFUE .
- Direct vent option uses clean outdoor air for combustion.
- Both heat exchangers covered with a lifetime limited warranty.*
- 5 years limited warranty * on all other functional parts.
- HELP® (Homeowner’s Extended Labor Plan) offers additional coverage for even more peace of mind.
† Annual Fuel Utilization Efficiency.
* See published warranty for complete details.
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