Benefits XV95 XV90i XV80i XV80 XL90 XL80 XT90 AFUE (Heating Efficiency) Up to 96.7% AFUE AFUE -Up to 93 80 80 Up to 93 80 Up to 92 Energy Star Yes Yes No No Yes No Yes Convertible Yes Yes Yes Yes Yes Yes Yes Blower Speed Variable Speed Variable Speed Variable Speed Variable Speed Four-Speed Four-Speed Four-Speed Heating Stages Two Two Two Two Two Two Single Warranty (Limited) 20-yr. Heat Exchanger, 5-yr. Functional Parts Lifetime Heat Exchanger, 5-yr. functional parts Lifetime Heat Exchanger, 5-yr. functional parts 20-yr. Heat Exchanger, 5-yr. Functional Parts 20-yr. Heat Exchanger, 5-yr. Functional Parts Lifetime Heat Exchanger, 5-yr. functional parts Lifetime Heat Exchanger, 5-yr. Functional Parts Extended Warranty Optional Available Optional Available Optional Available Optional Available Optional Available Optional Available Optional Available   XT80 XR90 XR80 XB90 XB80 XV80 XP80 AFUE (Heating Efficiency) 80 92 80 92 80 Up to 82.7 Up to 82.4 Energy Star No Yes No Yes No No No Convertible Yes Yes Yes Yes Yes Yes Yes Blower Speed Four-Speed Four-Speed Four-Speed Four-Speed Four-Speed Variable Speed Four-Speed Heating Stages Single Single Single Single Single Single Single Warranty (Limited) 20-yr. Heat Exchanger, 5-yr. Functional Parts Lifetime Heat Exchanger, 5-yr. functional parts 20-yr. Heat Exchanger, 5-yr. Functional Parts Lifetime Heat Exchanger, 5-yr. functional parts 20-yr. Heat Exchanger, 5-yr. Functional Parts Lifetime Heat Exchanger, 5-yr. functional parts Lifetime Heat Exchanger, 5-yr. functional parts Extended Warranty Optional Available Optional Available Optional Available Optional Available Optional Available Optional Available Optional Available

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