On the subject of pool heaters. We were lucky enough to have a home in the UK with a pool. The heater was gas powered and extremely efficient, it would heat pool as required on demand. I have stayed in about a dozen Florida villas all with electric heaters which is the norm and have found the heaters to be pretty inneficient. They take a few days from switching on to get temperature up and during the winter months when we normally holiday we find that we can never quite get the pool warm enough (yes we are wimps). Apparently this is due to the way the heater works. It extracts heat from the surrounding air and converts to energy to heat pool, a bit like a fridge in reverse. Problem is the colder the air temp is the less efficient the heater becomes.
I also believe that if the air temp drops below around 52 degrees they don't work at all!!! So the colder it gets the less efficient the heater is, seems to defeat the object to me!!!
I suspect that this is probably one of the most commom complaints to management companies and owners, that the pool heater did not appear to be working properly, understandable really when you have paid out good money for heated pool and it still seems cold.
Harry
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