Zion Pools · Pool owner tools
Heater sizing calculator
Explore heating demand and warm-up time before choosing equipment.
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How this estimate works
Sensible heat uses gallons × 8.34 × temperature rise in °F. Warm-up time divides that energy by useful heater output; ongoing heat loss adds demand. Wind, cover use, weather and equipment capacity affect the result.
Calculations run in your browser. Saving a scenario stores it on this device; it does not send your pool details to Zion Pools.
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