The Lennox Signature heat pump series consists of three units models ranging in SEER ratings from 18.5 to as high as 23.5 and are all Energy Star qualified. The HSPF on these units ranges from 9.7 to 10.2.
Each of the units feature the manufacturer's proprietary Silent Comfort technology, which delivers sound levels as low as 63dB, and a silent cover fan grille that keep operation of the composite fan blades quiet. The Silent Comfort feature utilizes sensors that cause the blades to rotate faster in the event of being covered by debris or ice. The units are surrounded by a galvanized steel cabinet with a baked-on powder finish, and the steel base is coated with zinc for durability. The XP25 uses Precise Comfort Technology, which makes frequent, small adjustments to best maintain interior comfort.
Among other options, the Signature heat pump series can be combined with SunSource solar modules that power the heat pump, resulting in what Lennox claims to be a 50-percent reduction in cooling and heating bills. In addition, when a Signature product is installed with the iComfort Wi-Fi thermostat, the compressor can make 1-percent output adjustments. iComfort-enabled technology is available for communication among home comfort components.
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