XP21 Heat Pump
The Lennox XP21 the quietest and most efficient two-stage heat pump you can buy. The XP21’s multi-stage operation allows it to match energy use with heating and cooling power, keeping your comfort and efficiency in perfect balance. With SilentComfort™ technology that greatly reduces operating noise, it’s the quietest multi-stage heat pump you can buy! With efficiencies of up to 19.20 SEER and an HSPF of up to 9.70, the XP21 can lower your energy bills by hundreds of dollars a year, and has been designated as one of the Most Efficient ENERGY STAR certified products in 2017. Because it’s solar ready, the XP21 can be easily combined with solar roof modules in a SunSource® Home Energy System. Or, paired with a Dave Lennox Signature® Collection furnace for dual-fuel compatibility.