Lennox XP20 Heat Pump

Rated among the best for smart energy use.

The XP20 offers variable-capacity operation, meaning it can adjust heating and cooling output like a dimmer switch to perfectly match your comfort needs to your energy use. This also helps control humidity with exacting precision. With a SEER of up to 20.00 and an HSPF of 10.00, the XP20 uses energy extremely efficiently without sacrificing comfort. This can mean several hundred dollars per year in energy savings.