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N80MSL
Performance 80 Low NOx Gas Furnace

This furnace is designed to provide exceptional comfort while efficiently reducing NOx emissions. By strictly adhering to California's rigorous air quality regulations, this furnace meets the requirements with a NOx emission limit of 40ng/J. Its advanced engineering ensures both your comfort, while taking into consideration the impact on the environment.

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  • Low NOx model that meets California's rigorous air quality regulations by adhering to a strict NOx emission limit of 40ng/J
  • Quiet performance
  • Multi 18-speed blower motor that your dealer can customize for tailored home comfort.   
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Air purifier and humidifier compatible
  • 10-Year Parts Limited Warranty upon timely registration+
  • 20-Year Heat Exchanger Limited Warranty
  • Efficient multi 18-speed ECM blower motor 
  • Induced draft combustion motor
  • Single-stage gas valve
  • RPJ® (Rigid Press Joint) primary heat exchanger
  • Silicon nitride hot surface igniter 
  • High temperature limit control helps prevent overheating
  • Sound-reducing features: soft mounted blower and inducer motor
  • Compatible thermostat: heat/cool
  • Heating capacity:45,000–155,000 BTUh
No Hassle Replacement<sup>TM</sup> Limited Warranty No Hassle ReplacementTM Limited Warranty help_outline
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Communicating Capability Communicating Capability
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Efficiency Rating Efficiency Rating help_outline
80% AFUE
Emissions
Ultra Low NOx Emissions
Heat Exchanger Warranty Heat Exchanger Warranty
20-Year Heat Exchanger Limited Warranty
Parts Warranty Parts Warranty
10-Year Parts Limited Warranty upon timely registration+
Blower Motor Blower Motor
Blower motor with 18 speed options for your dealer to select from
Heating capacity Heating capacity
45,000–155,000 BTUh
Operation Operation
Single-stage operation

+ 10 Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

 20-Year Heat Exchanger Limited Warranty. When used in an owner-occupied residence. See warranty certificate for details.

California residents please see Proposition 65