It Would Take Too Many
My guess is that you'd have to have a"panel farm" next to each pool to have the capacity to warm the community and rec center pools in cold weather. I say that because it takes six 4x12 foot panels to do a reasonable job on my 14 by 28-foot pool.
By the way, the solar system can be used to cool a pool in the hot summer months. You set the thermostat to a lower, more comfortable temperature and then run your pump at night. The pool water circulates thru the panels which cool the pool water with the 70-degree night time air temperature.
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Politicians are like diapers--they should be changed frequently, and for the same reason.
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