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POOL HEATER SIZING
How to Choose a Pool Heater Size
The chart below is an easy way to size a swimming pool heater. Simply
start with the surface area square footage and the desired temp, refer to the chart
below for the amount of BTUs required to heat up your swimming pool.
POOL HEATER SIZING CHART: 24-hour Period
|
Pool Size (sf) |
10 Degrees |
15 Degrees |
20 Degrees |
25 Degrees |
30 Degrees |
|
200 |
55,900 |
83,800 |
111,840 |
139,800 |
167,760 |
|
300 |
83,880 |
125,820 |
127,700 |
209,700 |
251,640 |
|
400 |
111,650 |
167,775 |
223,700 |
279,625 |
335,550 |
|
500 |
139,810 |
209,715 |
279,620 |
349,525 |
419,430 |
|
600 |
167,770 |
251,655 |
335,540 |
419,435 |
503,310 |
|
700 |
195,720 |
293,595 |
391,460 |
489,325 |
587,190 |
|
800 |
223,690 |
335,535 |
447,380 |
559,225 |
671,070 |
|
900 |
251,650 |
377,475 |
503,300 |
629,125 |
754,950 |
|
1,000 |
279,610 |
419,415 |
559,220 |
699,025 |
838,830 |
To calculate the heat up time, use this formula: Pool Gallons X 8.33
(the weight of 1 gallon of water) X Temperature Rise = Output BTUs
needed to achieve desired water temp in 48-hours.
POOL MAINTENANCE HEATER SIZING CHART:
Outdoors, 3.5 mph wind
Use this chart to maintain heat in normal conditions.
|
Pool Size (sf) |
10 Degrees |
15 Degrees |
20 Degrees |
25 Degrees |
30 Degrees |
|
200 |
21,000 |
31,500 |
42,000 |
52,500 |
63,000 |
|
300 |
31,500 |
47,300 |
73,000 |
78,800 |
94,500 |
|
400 |
42,000 |
63,000 |
84,000 |
105,000 |
126,000 |
|
500 |
52,500 |
78,800 |
105,000 |
131,000 |
157,000 |
|
600 |
63,000 |
94,500 |
126,000 |
157,000 |
189,000 |
|
700 |
73,400 |
110,000 |
147,000 |
184,000 |
220,000 |
|
800 |
84,000 |
126,000 |
168,000 |
210,000 |
252,000 |
|
900 |
94,500 |
142,000 |
189,000 |
236,000 |
284,000 |
|
1,000 |
105,000 |
157,000 |
210,000 |
263,000 |
315,000 |
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