Variable Capacity Geothermal Unit

The 7 Series 700A11 from WaterFurnace International Inc. is a variable capacity geothermal unit with an energy efficiency ratio of 41. Its coefficient of performance rating of 5.3 is 33 percent greater than comparable geothermal units and more than twice that of traditional air conditioners or heat pumps. Using a soft-start variable capacity compressor in concert with a variable speed ECM blower and speed loop pump allows the unit to scale output to what is needed.

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