22000 gallons increase from 86 deg to 87 deg in one hour. Calculator I ran said 192,600 btu. That seems super high to me? Just started here googling pool btus I"ll try to find some solar posts. Thanks in advance.
solar panels making lots of BTUs... but this many?
- Thread starter boxdin
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In a sunny location it is amazing how hot well designed and working solar panels can get a pool. I have a friend in South Florida that has to turn off the solar almost all summer or his pool turns into a large hot tub. He left it running for a couple of days to find it over 100..
You can't go by 1 degree. The temperature sensor isn't that accurate and the temperature might have been on the edge of one temperature ready to change to the next temperature.
Welcome to TFP! Please fill out your signature as we don't even know how large of a solar array you have
I can second that! 12,000 gallon pool in Orlando, FL got to be 105 in 3 days, no solar cover, just running water to the roof for the 7hrs the pump runs. Looking forward to the “winter” months to see how warm I can keep it.
—Dan
The only way to accurately measure the output of a solar system is to look at how many degrees the water going through the system gains--not the gains in the pool. Measuring the water temp entering the system and the water temp exiting will give you the gain. Then factor in the system's flow rate to give an accurate idea of actual BTU output from the solar array.
Ambient temperature and direct solar gain from the water surface accounts for most of the daily pool temperature gains we see.
My pool gains 120k BTU per day OVERALL on a hot sunny day in Canada. Only ~20k BTU comes from my solar.
Ambient temperature and direct solar gain from the water surface accounts for most of the daily pool temperature gains we see.
My pool gains 120k BTU per day OVERALL on a hot sunny day in Canada. Only ~20k BTU comes from my solar.