Heat Pumps efficiency
Efficiency rating of up to 19.20 SEER / 9.70 HSPF can save you hundreds of dollars each year*, compared to a standard heat pump.
ENERGY STAR® qualified which means the heat pump meets or exceeds U.S. federal guidelines for energy efficiency.
SunSource® Solar-Ready option allows you to add solar modules and create a solar powered system that generates electricity for your heat pump and more.
Two-Stage cooling allows the XP21 to run more efficiently and produce more even temperatures than a conventional single-stage system.
SilentComfort™ technology delivers sounds levels as low as 67db, providing the ultimate in quiet, consistent cooling.
SilentComfort™ Outdoor Fan Motor with Composite Fan Blades provides extremely reliable starting and running performance, even under the harshest outdoor conditions.
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Small Geothermal Energy Systems and Geothermal Heat Pumps: Guide for the Do-it-Yourselfer (DIY), Ground Source Heat Pumps, Information Survival Kit for Heat Pump Owners, Energy Program Successes
eBooks (Progressive Management)