Considering a heat pump (reverse) for cooling pool....don't see any threads?

MCF50

Well-known member
Aug 18, 2020
288
Houston
Does't seem like a lot of people talk about heat pumps for cooling their pool. Why is that? I know about the option of evaporative cooler but that drives up PH and there is very little control over an evaporative cooler. With a heat pump I can set water temp to 86F and forget about it...and I don't have to run my pump 24/7 for the heat pump to function. Can run the heat pump for a night to get water temp to preferred temp. What are negatives other than initial capital cost. Seems like a lot of the newer heat pumps are very energy efficient.
 

JJ_Tex

Gold Supporter
Bronze Supporter
Jul 17, 2019
2,527
Prosper, TX (DFW)
Pool Size
13000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Use the search above for Chiller and you should find quite a few including this one. It contains feedback from one of our Houston area members on their heat pump / chiller combo.

 

scdaren

Gold Supporter
Silver Supporter
Bronze Supporter
May 20, 2018
516
Clovis, CA
Pool Size
15000
Surface
Plaster
Chlorine
Liquid Chlorine
I have a Pentair 140 that does this. It's really only necessary here when the temps are above 110, and the pool starts to really be not refreshing. But it's not practical to use. I'll run it now and then to feel the cool water coming down out of our sheer descent waterfalls, but to actually cool the pool, the costs far outweigh the benefits. It has to run a lot to get the temps down, more so than when heating, and uses as much power as a very large house air conditioner (about 7500 watts), at a time when we are already running the house ac. Sometimes all it's capable of is keeping the pool from getting any hotter, not actually cooling it. Plus where we are in California, when it gets that hot they are also asking people to try to limit there power use so we don't have blackouts.
 

pjt

Gold Supporter
Jan 7, 2012
365
The Woodlands, TX
Pool Size
21000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
I've been using my new AquaCal SQ150VS for a couple months now to chill the water when needed. It works slowly, but it's fairly energy efficient. Aside from the slow temperature changes and the high initial cost, there's not much of a downside.
 
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