Ground Loop Sizing Calculator
Calculate bore depth and loop length for a geothermal heat pump.
Inputs
BTU/hr
BTU/hr
°F
BTU/(hr·ft·°F)
Results
Total Bore/Trench Length
700 ft
Number of Bores/Loops
4
Total Loop Pipe1,400 ft
System Size4 tons
Ground Heat Exchange45,000 BTU/hr
How to Use This Calculator
- Enter the building's peak heating load in BTU/hr.
- Set the ground thermal conductivity for your soil type.
- Input the desired entering water temperature (EWT) to the heat pump.
- Enter the loop pipe diameter and flow rate per ton.
- Review the total loop length in feet and the recommended trench or borehole configuration.
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