Swimming Pool Heat Pump Sizing: BTU Calculator, Formulas and Examples
Practical guide to swimming pool heat pump sizing: the BTU = Volume x DeltaT x 8.34 formula, pool volume calculation for rectangular and circular pools, DeltaT selection by climate, a sizing table from 5,000 to 40,000+ gallons, evaporation and wind heat-loss factors, DC inverter advantages, three worked examples, and common sizing mistakes to avoid.
Aug 23,2026













