Tempstar F97CTN 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.
- Up to 97.0% AFUE rating
- Lifetime Heat Exchanger Limited Warranty
- 10-Year No Hassle Replacement Limited Warranty™
- 10-Year Parts Limited Warranty
- Wi-Fi® enabled remote access with the Ion™ Black System Control
- U.S. Environmental Protection Agency voluntary program that helps protect climate through energy efficiency
- Variable-speed, constant airflow (VCA) ECM blower motor and two-stage gas valve also provide enhanced levels of temperature control and comfort
- 60,000–120,000 BTUh
- Two-Stage Operation
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.





