Pool Heat Pump Sizing — Calculator

Enter project details and pool/environment parameters. Click Calculate and then Print PDF.

Project Information

Pool Geometry
Enter area and depth to calculate volume.

Water Temperature
trec = time to raise water from Ti to Tt. Typical: 4–72 hours depending on project.

Environment & Scene
Please input the minimum temperature during the expected operating seasons for the heat pump throughout the year.
Relative humidity significantly impacts evaporation capacity. Please enter the relative humidity during the driest season of the heat pump's operation.

Safety Factor
Recommended value: 1.15-1.25
Constants: cp=4.186 kJ/(kg·K), hfg=2257 kJ/kg (used internally)