Frigidaire Furnaces Gas Gas Furnaces All of the Frigidaire Gas Furnaces feature the SmartLite® Control board. A revolutionary computer within your furnace that learns the heat-up characteristics of the igniter and then adjusts automatically. 95.1% AFUE Gas Furnaces Extra-High Efficiency Besides meeting the Energy Star guidelines, extremely efficient Frigidaire 95.1% AFUE upflow gas furnaces help create a completely comfortable home with the latest technology to provide more balanced temperatures. An insulated door and sealed vestibule dramatically reduce noise levels, while the low-profile design means these furnaces can be installed in a variety of spaces. 92.1% AFUE Gas Furnaces Extra-High Efficiency This line of Energy Star Efficient furnaces include our tall and short furnaces, a variety of application features like, upflow/horizontal, downflow, variable speed and two-stage heating for better comfort. 80% Gas Furnaces High Efficiency Frigidaire 80% furnace has been carefully designed and engineered to give you outstanding energy efficiency and years of trouble- free operation.No detail has been left out. | | | 92.1 - 95% AFUE | | Best, Two-Stage, Variable Speed |
| | Better, Two-Stage, Variable-Speed |
| | Good, Single-Stage | | | 80% AFUE | | Best, Two-Stage, Variable Speed |
| | Better, Two-Stage, Fixed Speed |
| | Good, Single-Stage | |