This heat pump is equipped with a single-stage scroll compressor, offering cooling efficiencies as high as 15.2 SEER2. The silent electric heating and cooling system is suitable for year-round use in warmer climates, or you can combine it with a compatible gas furnace and thermostat for improved dual fuel efficiency in colder regions. Certain sizes of this heat pump meet ENERGY STAR® standards, helping Port St. Lucie homeowners keep cooling costs down while staying comfortable through Florida’s long, humid summers.