The Lennox XP19 heat pump is a discontinued two-stage heat pump with a SEER (cooling efficiency) measured at up to 18.6. This model is not currently manufactured, but may still be available through dealers. The XP19 runs at a lower capacity most of the time to reduce noise and energy costs. It has a heating efficiency of up to 9.3 HSPF. This heat pump utilizes R-410A refrigerant, which is ozone-friendly and EPA-approved. The XP19 was a part of the Lennox Signature collection.
Questions about this model?