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Solar Pool Heating Calculator

Collector square feet from pool area and climate ratio, converted to panel count for standard 4x5 panels.

Inputs

Inputs and assumptions

Pool surface area in square feet.

Collector-to-pool ratio, 0.75-1.0 in warm climates.

A 4x5 ft panel is 20 sq ft.

Result

Collector area (sq ft)
300
Panels needed
15.0
Sizing estimate from label inputs. Confirm gallons, flow, BTU, and efficiency from manuals before buying equipment.

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Guides

01 Pool Heating Cost Guide (2026)

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01 Pool Build Budget Guide: Costs and Planning for 2026 02 Pool Pump Runtime Guide: Calculate Turnover and Set Your Schedule 03 Pool Heating Cost Guide (2026)

Workspace

Keep the assumptions with the result.

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