Comfort 92 Gas Furnace Maximize Your Comfort With ComfortHeat™ Technology   High gas furnace energy efficiency — up to 92.1% AFUE. Pilot-free ignition. Media filter cabinet. Limited lifetime warranty on gas furnace heat exchanger. Five-year limited parts warranty.   Benefits - Within each step of the gas furnace development process, from the design phase to finished products, we test each and every product to exceed industry standard requirements. In fact, Carrier engineers test the reliability of the heat exchangers to over 200,000 cycles. That’s more than six times the industry’s standard of 30,000 cycles. Download Gas Furnace Brochure Features - Performance Gas Furnaces go one step further with features such as SmartEvap™, that can help keep humidity levels low.           An Inside view of the Comfort 92 Gas Furnace     Optional gas furnace air cleaner cabinet – allows for the easy and convenient addition of a Carrier high-efficiency air filter for enhanced air quality. Burner ignition – as one of the most dependable systems available, it replaces pilot lights and reduces utility consumption. Efficient inducer motor – precisely controls gas furnace air intake within the combustion system for high-efficiency performance. Multi-speed blower motor – ensures consistent airflow and temperature maintenance, helping to keep rooms more comfortable while improving air quality. Two heat exchangers – extract heat from the gas you use and transfer it to warm the air. The primary heat exchanger extracts 80% of the heat while the secondary heat exchanger extracts an additional 10.0-15.5%, helping to ensure efficient, reliable performance. Sealed combustion system – reduces cold air infiltration while providing quieter operation. Patented control board – allows customized comfort with enhanced temperature maintenance and efficiency at your fingertips.       Specifications