Gas Furnace Product Offering

Feature Comparison
Gas Furnace Product Offering
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Gas Furnace Product Offering
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Gas Furnace Product Offering
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Gas Furnace Product Offering
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Model Family59MN7B59TN6B59SP258STX
Annual Fuel Utilization EfficiencyUp to 98.5% AFUEUp to 96.7% AFUEUp to 92.1% AFUE80% AFUE
Energy Star RatedENERGY STAR®ENERGY STAR®ENERGY STAR®No
Blower MotorVariable-speed, ECM blower motorVariable-speed, ECM blower motorMulti-speed, ECM blower motorFixed-speed, PSC blower motor
Gas ValvePatented gas valve modulates in 1% increments between 40-100%Two-stagesSingle-stageSingle-stage
Fan Heating OperationVariable-speed / modulatesTwo-stagesFixed-speedFixed-speed
Factory Warranty Parts10 year parts limited warranty10yr parts limited warranty10 yr limited warranty10-year parts limited warranty
Heat Exchanger WarrantyLimited Lifetime WarrantyLifetime limited warrantyLifetime limited warranty20-year heat exchanger limited warranty
Sound Level QuieTech™ QuieTech™QuieTech™QuieTech™
Manufacturer's Stated Benefits
  • Greenspeed™ Intelligence
  • Highest degree of electrical efficiency among Carrier furnaces
  • Load matching performance delivers just the amount of heat needed for longer, quieter run times while minimizing energy use.
  • Best temperature control management among Carrier® furnaces
  • HybridHeat® compatible with this model.
  • Exceptional year-round humidity management when installed as part of complete Infinity system with added humidifier
  • In zoned systems improves airflow control for greater comfort in your home.
  • SmartEvap™ techology
  • Pilot-free, hot surface PowerHeat™ ignition
  • Stainless steel fin-and-tube design secondary heat exchanger
  • Sound reduction: fully insulated cabinet and QuieTech™ noise reduction
  • Infinity level advanced diagnostic intelligence
  • Ideal Humidity System® technology capable to aid heat pump or air conditioner summer dehumidification
  • SmartEvap™ technology works in concert with your cooling system to aid summer dehumidification
  • ComfortFan™ technology allows fan-speed choices in
  • Comfort Heat Technology® feature intelligently stages heating cycles to reduce temperature swings and improve efficiency
  • Infinity intelligence enables self-configuration and easy troubleshooting with Infinity control
  • Fully insulated cabinet
  • Advanced temperature control
  • Includes air filter cabinet
  • Hybrid Heat® compatible
  • Aluminized steel clamshell-style primary heat exchanger
  • Stainless steel fin-and-tube design secondary heat exchanger
  • Hybrid Heat® compatible
  • Year-round humidity management when installed as part of complete Performance system with humidifier
  • Can help boost cooling SEER efficiency when matched with appropriate cooling system components
  • Pilot-free, hot surface PowerHeat™ ignition
  • Aluminized steel clamshell-style primary heat exchanger
  • Stainless steel fin-and-tube design secondary heat exchanger
  • Sound reduction: fully insulated cabinet and QuieTech™ noise reduction
  • Recommended controls: Performance™ Edge® relative humidity or ComfortZone™ II thermostats
  • All units meet California Air Quality Management District emission requirements, are design certified in Canada, and are certifi
  • High energy efficiency - at 80% AFUE.
  • Media filter cabinet.
  • Heat exchanger warranty:
    - 20 year
  • Five-year limited parts warranty.