Depends on how fast you want it to heat... Generally, the largest pool heat
pumps I've seen at the online pool stores are just over 100K BTU. These cost
around $3K. You can get an 85K BTU for around $2K, but prices don't go much
Compare this with gas heaters that typically begin around 100K BTU and get
up to the 500K BTU range.
What you really need is some tolerance for cold water, else you can go
bankrupt. I live in the Seattle area (not hot), and can keep the pool around
70F with a cover, and maybe reach 80F on the hotter weeks. Water that is 80F
seems quite warm to me, especially when the outside temp in near 90F.
If you want to keep your pool like a hot tub, then its going to cost a lot
of money no matter what source you choose. A cover, especially at night,
will save quite a bit, but could also be a major hassle depending on how
easy the cover goes on and off.
Augmenting the pool with solar heat is probably the cheapest method, but you
need a lot of roof area.
I am in Arizona with a 20K gallon pool. Water temp is 76+ and air
temps mid 90s.. I am adding 1 inch of water a week. I can't imagine
anyone in the Northeast with higher evap rates than us... I would
stick with leak detection.
Thanks! He agrees that THAT much water was a bit excessive for evaporation.
I'm sure you read my previous post about the improvement since he was here
last week? Something loose perhaps? He tightened all skimmer plates, etc.
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