Friday, 18 December 2020

Heating for Christmas - how long

We are toying with the idea of heating the pool for christmas. I know the spa goes up about a degree a minute, but I have no idea about heating the pool. Is there a calculator or formula I can use to figure out when to start heating?

My pool is 13.5k gallons and we have a 400k btu natural gas heater. Current water temp is mid 40’s so we would want to heat it up by 40 degrees or so, with a forecast temp being around 60 degrees as the high and lows around 40.


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