Pool & Spa
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Generally, the number
of square feet determines the best size heater:
up to 450 sq. ft.
450 - 600 sq. ft.
600 - 800 sq. ft.
800 - 1000 sq. ft.
1000 - 1200 sq. ft.
Use the swimming pool heater calculator to determine the BTU size needed for your swimming pool. Enter all of your information using the drop down menus and click on the "calculate" button.
Heat rise varies when dealing with different swimming pool heaters. The usual recommendation is an increase of 1 to 1 and a half degree per hour. For further definitions, please scroll your mouse over the question marks.
Consult with a certified pool installer to verify the minimum hea...
pool plumbing layout for the pool/ spa
combo design with shared pool & spa
heater and controller.
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