Ion™ 98 Variable-Speed Modulating Gas Furnace


Enjoy ultimate comfort even in the coldest weather with our highest efficiency gas furnace product. It features modulating gas heat performance that delivers incredible temperature control and quiet performance. The variable-speed blower also means you’ll enjoy better summer dehumidification and a possible SEER boost as your furnace works with your cooling unit to help pull moisture out of the air. Pair it with a compatible air conditioner for full functionality and a full communicating system using the Ion™ System Control.

Features & Benefits

  • Variable-speed blower motor and modulating gas valve provide our ultimate levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • As a modulating furnace, it operates at lower stages most of the time to save energy, smoothly ramping up the heat as temperatures drop
  • Fully insulated cabinet keeps the heat moving to your ductwork 
  • Air purifier and humidifier compatible
  • Wi-Fi® enabled remote access with the Ion™ System Control±
  • 10-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty upon timely registration+
  • Lifetime Heat Exchanger Limited Warranty upon timely registration


  • High efficiency variable-speed, constant airflow ECM blower motor
  • Variable-speed induced draft combustion motor
  • Modulating gas valve with range of 40%–100% capacity
  • RPJ® (Rigid Press Joint) primary heat exchanger, stainless steel secondary heat exchanger
  • Reliable direct spark gas ignition
  • High temperature limit control prevents overheating
  • Solid, pre-painted steel insulated cabinet with tight fit door latch system
  • Sound-reducing features: soft mounted blower and inducer motor 
  • Compatible thermostat: Ion™ System Control for full function and efficiency capability, Wi-Fi® remote access convenience and intelligent diagnostics 
  • Heating capacity: 60,000–120,000 BTUh

Product details

Efficiency RatingEfficiency Ratinghelp_outline
Up to 98% AFUE
Heat Exchanger WarrantyHeat Exchanger Warranty
Lifetime Heat Exchanger Limited Warranty
No Hassle Replacement<sup>TM</sup> Limited WarrantyNo Hassle ReplacementTM Limited Warrantyhelp_outline
10-Year No Hassle Replacement™ Limited Warranty
Parts WarrantyParts Warranty
10-Year Parts Limited Warranty±
Energy Star<sup>®</sup> QualifiedEnergy Star® Qualifiedhelp_outline
U.S. Environmental Protection Agency voluntary program that helps protect climate through energy efficiency
Blower MotorBlower Motor
Variable-speed blower motor and modulating gas valve provide our ultimate levels of even temperature control and comfort
Heating capacityHeating capacity
60,000–120,000 BTUh
Modulating Gas Valve Operation