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Home > Special Performance Feature > iSEER

iSEER® Westinghouse iQ Drive® 97% AFUE Modulating Gas Furnace Westinghouse FG7TC, FG7TL 95.1% AFUE Two-Stage Gas Furnace Westinghouse FG7TC FG7TL 95.1% AFUE Two-Stage Variable-Speed Gas Furnace Westinghouse FG7TA, FG7TK 80% AFUE Two-Stage Fixed-Speed Gas Furnace Our premier furnace. The most efficient, quietest one we offer. Extra-high 95% efficiency and very quiet operation in a two-stage, fixed-speed model. Exceptional energy efficiency, comfort and quiet with two-stage, variable-speed technology. Efficient 80% AFUE heating and improved home comfort with two-stage technology. Westinghouse FG7TA, FG7TK 80% AFUE Two-Stage Variable-Speed Gas Furnace 80% efficiency and exceptional comfort and quiet with two-stage, variable-speed technology.

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