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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® 80 Gas Furnace Performance 80 Gas Furnace (Low NOx)Performance™ Boost 80 Gas Furnace
Model Family59MN758CVA58CTX58PHB
Annual Fuel Utilization EfficiencyUp to 98.5% AFUE80.0% AFUE80.0% AFUEUp to 80.0% AFUE
Energy Star RatedENERGY STAR®N/ANoNo
Blower MotorVariable-speed, ECM blower motorVariable-speed, ECM blower motorVariable-speed, ECM blower motorMulti-speed, ECM blower motor
Gas ValvePatented gas valve modulates in 1% increments between 40-100%Two-stageTwo-stage gas valveSingle-stage gas valve
Fan Heating OperationVariable-speed / modulatesTwo-speedTwo-stages of heat for economical operationFixed-speed inducer motor
Factory Warranty Parts10 year parts limited warranty10-year parts limited warranty10-year parts limited warranty10-year parts limited warranty
Heat Exchanger WarrantyLimited Lifetime Warranty20-year heat exchanger limited warranty20-year heat exchanger limited warranty20-year heat exchanger limited warranty
Sound Level QuieTech™QuieTech™Ultra-quiet operation 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
  •  The CVX furnaces are approved for use with natural or propane gas, and for use in Low NOx Air Quality Management districts.
  • Ideal Humidity System® technology capable to aid heat pump or air conditioner summer dehumification
  • SmartEvap™ technology works in concert with your cooling system to aid summer dehumidification
  • ComfortFan™ technology allows fan-speed choices in
  • Infinity intelligence enables self-configuration and easy troubleshooting with Infinity control
  • Fully insulated cabinet
  • Advanced temperature control
  • Increased SEER ratings for AC and HP systems
  • ComfortHeat TechnologyTM
    - Temperature stays closer to thermostat setpoint.
    - Improved dehumidification.
  • Ideal Humidity System® technology capable to aid heat pump or air conditioner summer dehumification
  • SmartEvap™ technology works in concert with your cooling system to aid summer dehumidification
  • ComfortFan™ technology allows fan-speed choices in "Constant ON" mode
  • Fully insulated cabinet
  • Pilot-free, hot surface PowerHeat™ ignition
  • Aluminized steel clamshell-style primary heat exchanger
  • Recommended controls: Performance™ Edge® relative humidity or ComfortZone™ II thermostats
  • Flexible installation: upflow, downflow or horizontal
  • Versatile venting for tight-fit applications
  • Fully insulated cabinet