the manufacturer's highest-efficiency two-stage furnace, pairing a variable-speed ECM blower with an aluminized-steel primary and stainless-steel secondary heat exchanger. ComfortBridge/ComfortNet compatible for dual-fuel pairing.
Key Specs
- AFUE: Up to 96%
- Stages: 2 (two-stage gas valve)
- Dual-fuel compatible: Yes (ComfortNet communicating)
Performance
- Blower: Variable-speed ECM, multiple continuous fan speeds
- Heat exchanger: Aluminized-steel primary + stainless-steel secondary
- Igniter: 110V silicon nitride
- BTU input range: 40,000-120,000 (typical line sizing)
Physical
- Cabinet width: 17.5" or 21" depending on BTU tier
Electrical
- Power: Standard 120V furnace circuit
Warranty
- Typical Coverage: the manufacturer's standard warranty on most residential systems is a 10-Year Parts Limited Warranty plus a 10-Year Unit Replacement Limited Warranty when the system is registered online within 60 days of installation (unregistered units default to a 5-Year Parts Limited Warranty). Select higher-efficiency air conditioners and heat pumps also carry a Lifetime Compressor Limited Warranty to the original registered homeowner, non-transferable on resale. Labor is not included unless a separate extended service plan is purchased.
- Eligibility: Warranty eligibility depends on purchase channel — our team confirms coverage for your specific order before you buy.
