Design Of Closed Loop Geothermal Heat Exchangers

Water Source Heat Pump Systems - Sigler Commercial

Oct 04, 2017 · recirculating closed loop or a once-thru system using water from a well, a pond, or a stream. Water for closed-loop heat pumps is usually circulated at 2.25 to 3.00 gpm per ton of unit cooling capacity. A once-thru groundwater heat pump can operate with a lower water flow, but the same range is still recommended.

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