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Gas Furnaces

Today's new high efficiency furnaces can save up to 50% in operating costs over a ten-year-old furnace. Many 1990 and earlier model furnaces have Annual Fuel Utilization Efficiency (AFUE) ratings of 65% or less. The minimum AFUE rated furnace that can be sold in the United States today is 80%.

Our current product offering starts at 80% AFUE and goes all the way to a very efficient 96.6% AFUE rating. Depending on your average usage, higher AFUE rated furnaces can significantly reduce your gas bill.

We offer many furnaces with variable and multi-speed features that can provide enhanced indoor comfort by slowly ramping up to your thermostat setting rather than simply turning on at full speed. This alleviates the "cold air blow" often associated with single speed furnaces, and dramatically reduces system noise.

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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Product NameInfinity® 98 Gas Furnace With Greenspeed™ IntelligenceInfinity® 96 Gas Furnace Performance™ 96 Gas Furnace Comfort™ 95 Gas Furnace
Model Family59MN759TN659TP659SC5
Annual Fuel Utilization EfficiencyUp to 98.5% AFUEUp to 96.7% AFUEUp to 96.5% AFUE Up to 95.5% AFUE
Energy Star RatedENERGY STAR®ENERGY STAR®ENERGY STAR®No
Blower MotorVariable-speed, ECM blower motorVariable-speed, ECM blower motorVariable-speed, ECM blower motorFixed-speed
Gas ValvePatented gas valve modulates in 1% increments between 40-100%Two-stagesTwo-stage gas valveSingle-stage
Fan Heating OperationVariable-speed / modulatesTwo-stagesTwo-speed inducer motorFixed-speed
Factory Warranty Parts10 year parts limited warranty10yr limited warranty10-year parts limited warranty10 year parts limited warranty
Heat Exchanger WarrantyLimited Lifetime WarrantyLifetime limited warrantyLifetime heat exchanger limited warrantyLimited Lifetime 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.
  • The quietest furnace you can buy (060V17-14 model/size)
  • The most efficient furnace you can buy (060V21-20 model/size)
  • 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
  • Allows 4 choices of
  • Hybrid Heat® compatible
  • Aluminized steel clamshell-style primary heat exchanger
  • Stainless steel fin-and-tube design secondary heat exchanger
  • 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 Constant ON mode.
  • Comfort Heat Technology ® feature intelligently stages heating cycles to reduce temperature swings and improve efficiency
  • Fully insulated cabinet
  • Advanced temperature control
  • Includes air filter cabinet
  • Low stage operation up to 90% of time for quiet, energy-efficient operation
  • Hybrid Heat® compatible with this model.
  • 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 PowerHeatTM ignition
  • Recommended controls: Performance™ Edge® relative humidity or ComfortZoneTM II thermostats.
  • Hybrid Heat® compatible with this model.
  • 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
  • Self-diagnostics with SuperBrite LED