Infinity 98 Modulating Gas Furnace

Infinity 98 Modulating Gas Furnace

Models: 59MN7

Ultimate Comfort Control with Infinity® Technology Built-In

The Infinity® 98 Gas Furnace is our ultimate gas furnace, with up to a 98.5% AFUE and precision temperature control. It is also the quietest furnace you can buy.



Energy Efficiency

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Quiet Level

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  • Heating efficiency that delivers up to 98.5% AFUE, the highest that you can buy.
  • Precise gas modulation with movements in 1% increments
  • SmartEvap™ technology can lower the humidity in your home by nearly 10%
  • ComfortFan™ technology allows control of continuous fan speed with a compatible control
  • Lifetime heat exchanger limited warranty1
  • 10-year parts limited warranty when properly registered1


EfficiencyUp to 98.5% AFUE
Inducer MotorVariable-speed
Gas Valve ModulationIn 1% increments down to 40% of furnace capacity
Limited Warranty10-year parts limited warranty when properly registered; Lifetime limited warranty on heat exchanger1
DetailsAs an ENERGY STAR partner, Carrier Corporation has determined that the Infinity® 98 gas furnace meets the ENERGY STAR guidelines for energy efficiency. The 59MN7 gas furnace family has attained the ENERGY STAR Most Efficient 2012 designation.
Controls SupportedInfinity, Thermidistat™, Thermostat
DiagnosticsOver 70 parameters via PDA or laptop
Capacity60,000 - 120,000 BTUH
Blower MotorVariable-speed, full-featured ECM
Primary Heat ExchangerAluminized steel
Secondary Heat ExchangerFin-and-tube stainless steel
FuelNatural Gas; convertible to liquid propane (LP)
ProfileMulti-stage; 4-way multipoise
ConstructionGalvanized steel
PaintBaked on urethane base coat and polyester top coat

  1. To the original owner, the Carrier Infinity 98 Modulating Gas Furnace is covered by a 10-year parts and lifetime heat exchanger limited warranty upon timely registration of your new equipment. Ask your Carrier dealer about optional extended warranties, which may include labor. Warranty period is a 5-year on parts and 20-year on heat exchangers if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty and a lifetime parts limited warranty on the heat exchangers. See warranty certificate at for complete details.

  2. Based on sound level testing of the Carrier® 59MN7A060V17-14 and leading competitive gas furnaces during steady-state, high-fire and low-fire operation. For more information regarding the testing results and procedure, visit

  3. The 59MN7A060V21--20 is the most efficient furnace at 98.5% AFUE