The Frigidaire FG7TC is a two-stage gas furnace available with either a single-speed or variable-speed blower. The fixed-speed model provides high efficiency and very quiet operation, while the variable-speed model offers exceptional energy efficiency, reduced sound levels and more consistent temperatures throughout the home. The FG7TC uses SmartLite technology, which analyzes the start up characteristics of each individual furnace to extend ignitor life. Both models provide high-efficiency 95.1% AFUE heating and have received an Energy Star rating. The models also feature iSEER technology, which can boost the cooling efficiency of a 13- or 14-SEER outdoor unit by up to 1 SEER point.
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