| 1. |
Induced draft venting quietly draws hot gases through the heat exchanger, maximizing the heat transfer efficiencies of the exchanger design. |
| 2. |
Multi-port in-shot burners perfectly shape the flame cone for the maximum heat possible while using less fuel. |
| 3. |
Adaptive hot surface silicon nitride igniter starts burners electrically for safe, efficient operation. There’s no pilot light constantly burning fuel. Backed by a 5-year limited warranty. |
| 4. |
Sealed combustion means the burner compartment is sealed allowing for quieter operation and regional code compliance. (AUX/ADX models only). |
| 5. |
Aluminized steel heat exchanger is crimped, not welded, to prevent cracks from heat stress. Stamped serpentine channel offers the greatest efficiency in less space. Backed by a lifetime limited warranty. |
| 6. |
Heavy steel insulated cabinet holds more heat in the furnace to better warm your home. Also assures greater durability and quieter operation. |
| 7. |
Self-diagnostic controls are the solid-state brain of the Freedom® 90 Single-Stage and manage every function with digital accuracy. Includes safety features and a built-in troubleshooting system. |
| 8. |
AL29-4C™ stainless steel secondary heat exchanger captures more of the heat you pay for. Backed by a lifetime limited warranty. |
| 9. |
Internal vent pipe is made of long-lasting CPVC material. |
| 10. |
Multi-speed blower motor operates quietly and efficiently, gently warming and maintaining comfort. Handles all central air conditioning needs for year ‘round comfort. |
| 11. |
Dual door latches allow easy access to the filter for cleaning or changing. (On upflow AUX models only.) |
| 12. |
Cleanable filter means you can rinse or vacuum it without buying replacements each time. |
| 13. |
Spring-loaded filter rack automatically adjusts for standard size off-the-shelf filters. (On upflow AUX models only.) |
| 14. |
Automotive grade gaskets and insulated blower door reduce operating sound and air infiltration. (AUX only) |
| 15. |
Direct vent option uses 100% outdoor air for combustion for increased equipment life and cleaner air. (AUX only) |