ENERGY STAR Certified
Geothermal Heat Pumps
Visit the Geothermal Heat Pumps page for usage tips and buying guidelines.
All ENERGY STAR certified geothermal heat pump models are recognized as Most Efficient, as they
deliver superior performance, particularly when it is very cold or very hot.
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)47.6
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)47.6
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)47.6
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)41.7
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)41.7
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)41.7
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)41.4
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)40.2
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)40.2
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)40.2
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)40.1
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)38.8
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)38.8
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)38.8
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)37.6
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)35.2
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)35.0
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TypeOpen Loop Water-to-AirEnergy Efficiency (EER)34.9
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TypeClosed Loop Water-to-AirEnergy Efficiency (EER)33.8
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