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Evolution Series Heat Pump
Earned a Consumer Digest Best Buy Puron® Refrigerant Up to 18 SEER and 9.0 HSPF Even temperatures Up to 23 diagnostic checkpoints Sound as low as 72 dB (quiet as a vacuum) 2 stage operation for maximum comfort Evolution™ Control for ultimate performance AeroQuiet™ System II to minimize noise DuraGuard™ Plus system to protect your unit 10-year compressor limited warranty; 5-year parts limited warranty

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Preferred Series Heat Pump
Puron® Refrigerant Up to 15 SEER and 8.5 HSPF Sound as low as 74 dB AeroQuiet™ System II DuraGuard™ Plus system Filter drier for longer product life 10-year compressor limited warranty; 5-year parts limited warranty

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Legacy Line Heat Pump
Up to 8.5 HSPF and 15 SEER Sound as low as 76 dB DuraGuard™ protection Steel louvered coil guard Environmentally sound Puron® Refrigerant or R-22 refrigerant 10-year limited compressor warranty 5-year limited parts warranty

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