Skip to main content
G97CTN
Ion™ 97 Variable-Speed Gas Furnace

Stay out of the cold and keep warm with our high-efficiency gas furnace. Its reliable two-stage gas valve and fully variable-speed blower provide enhanced temperature control for your comfort. 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 a full communicating system using the Ion™ Black System Control.

Icon of a question mark
Icon of a question mark
Icon of a question mark
Icon of a question mark
  • Variable-speed blower motor and two-stage gas valve provide enhanced levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • As a two-stage furnace, it operates at low stage most of the time to save energy, smoothly ramping up the heat to high stage as temperatures drop
  • Fully insulated cabinet helps keep the heat moving to your ductwork
  • Air purifier and humidifier compatible
  • Wi-Fi® enabled remote access with the Ion™ Black 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
  • Energy-saving two stage gas valve
  • RPJ® (Rigid Press Joint) primary heat exchanger, stainless steel secondary heat exchanger
  • Reliable direct gas ignition with silicon nitride ignitor
  • High temperature limit control helps prevent 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™ Black System Control for full function and efficiency capability, Wi-Fi® remote access convenience and intelligent diagnostics
  • Heating capacity: 40,000–120,000 BTUh
Efficiency Rating Efficiency Rating help_outline
Up to 97% AFUE rating
Heat Exchanger Warranty Heat Exchanger Warranty
Lifetime Heat Exchanger Limited Warranty
No Hassle Replacement<sup>TM</sup> Limited Warranty No Hassle ReplacementTM Limited Warranty help_outline
10-Year No Hassle Replacement™ Limited Warranty
Parts Warranty Parts Warranty
10-Year Parts Limited Warranty
Communicating Capability Communicating Capability
Wi-Fi® enabled remote access with the Ion™ Black System Control
Energy Star<sup>®</sup> Qualified Energy Star® Qualified help_outline
U.S. Environmental Protection Agency voluntary program that helps protect climate through energy efficiency
Blower Motor Blower Motor
Variable-speed, constant airflow (VCA) ECM blower motor and two-stage gas valve also provide enhanced levels of temperature control and comfort
Heating capacity Heating capacity
40,000–120,000 BTUh
Operation Operation
Two-Stage Operation

* No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.

+ 10 Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

To the original owner, when product is used in an owner-occupied residence, a Lifetime heat exchanger parts limited warranty upon timely registration of your new equipment. Warranty period is reduced to 20-years (from Lifetime) on heat exchanger if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive the extended registered heat exchanger parts limited warranty period. See warranty certificate for details.

± Control must be connected to Wi-Fi ® . App requires iOS ® or Android ® mobile device. Wi-Fi ® is a registered trademark of the Wi-Fi Alliance Corporation.


For California Residents:
For installation in SCAQMD only : This furnace does not meet the SCAQMD Rule 1111 14 ng/J NOx emission limit, and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program: www.CleanAirFurnaceRebate.com .

California residents please see Proposition 65