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Old 03-19-2010, 07:01 AM   #1
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Pool heatpump


I'm looking at puttting in a heatpump for our pool. anyone have experience with these? and brands better than others? anything to look out for when shopping for one?

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Old 03-19-2010, 12:53 PM   #2
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Depending on what area you are i n. It will only get you 2 or 4 weeks of extra use from the pool.

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Old 03-19-2010, 12:56 PM   #3
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not looking for extra weeks, looking for warmer water when the air warm.
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Old 03-19-2010, 02:54 PM   #4
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Pool heatpump


How big is your pool? I have a Hayward 100k BTU heat pump for my 30,000 gallon pool put in about 6 years ago.

Some things about heat pumps:

1. They are the most economical way to get BTUs into your pool (not withstanding solar). Mine costs about $1 per hour to run @ 0.17 per kW-hr.

2. They are slow so you have to plan ahead. I get about 1/3 deg F temp rise per hour due to the heater. Big gas heaters do 400k BTU; so 1.3333 deg F temp rise per hour. So that's about $6 per hour at $1.50 per therm, or 50% higher per pool degree.

3. That 100k BTU rating is on an 80 deg 80% RH day. Cooler and dryer reduces the output. If you can't put it in a sunny spot with good air flow around it, it may not be a good choice.

4. They are complex and expensive to fix. Hayward is one of the best, but mine has been fixed 3 times in 6 years, two of those under warranty. The tech told me that one of the warranty fixes would have cost me over $800.

5. They are somewhat noisy. It is essentially a large air conditioner running in reverse (discarding cold air instead of hot air) so that is the noise level to expect. I have no experience with gas heaters so I can't compare.

Would I do it again? I don't know. Ideally I'd have both so that I could choose lower cost or faster response depending on my goal for the day. But that'd be really pricey now wouldn't it?
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Old 03-19-2010, 04:09 PM   #5
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Use a pool cover when you run the heat pump at night. Helps keep the heat in.
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Old 03-19-2010, 04:10 PM   #6
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Very true, heater or no heater. Evaporative heat loss is the majority IIRC.
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Old 03-24-2010, 05:44 PM   #7
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Pool heatpump


We run a heat pump with a solar heat cover. The cover looks like bubble wrap and mostly keeps the heat in at night even though they are marketed as something more. Heat pumps are kind of a waist IMO because they are indeed a glorified air conditioner working in reverse. As mentioned earlier, they are slow to heat the pool up and are expensive to mainteen. If I had it all over to choose I would have purchased those black solar tubes that you put on your roof. They definitely work (with a solar cover) and there is virtually no maintenaince with them. Plus, nothing feels better than to heat your pool for free.

Last edited by zman22; 03-24-2010 at 05:50 PM. Reason: sentence oops
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Old 03-24-2010, 06:02 PM   #8
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Forgot to mention that we have a Jandy heat pump. I cant say anything bad about the unit itself, but my opinion in general about pool heat pumps versus other solar solutions still stands.
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Old 03-25-2010, 12:37 AM   #9
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Pool heatpump


we have used solar blankets since the pool was new (about 20 years ago). we have tried solar pannels, and they just plain don't work for us. no noticable difference in pool temp, and no noticable change in the hot water bill when we used those pannels on the house.
Jandy made the top 5 list based on efficiency, but leaning toward a gulfstream. Made in the US (not sure on the others) and a better warantee than the others
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Old 02-20-2012, 11:13 AM   #10
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Pool heatpump


Being this thread was a heat pump thread, I started a new thread thread here on best ways to heat a pool:Suggestions for heating a swimming pool

cgoll: I would love to get your input being that we are from the same area and you have a couple of seasons on your heat pump since your last post.
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Old 02-20-2012, 12:34 PM   #11
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I installed an Aqua pro heat pump rated for 110,000 litres. My pool is an in ground 80,000 litre pool. I bought this unit last year and it took 2 days to take it from 62 to 95. It is an awesome unit in my opinion. It is titanium lined and considering it took only 2 days to heat my pool I am more than happy with the unit. I bought oversized so it will not only work less but last longer. I bought mine from Costco and it was the best deal in town by far. I saved at least 4,000.00 based on all the quotes I got from other companies. If I was to say anything negative is the fact that the warranty states you must empty and blow all water out of the unit when you shut it down for the season, and keep a record of the dates the maintenance is done or your warranty is void. I also have a heat pump for my house but that is a York. Hope that helps.
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Old 02-20-2012, 02:15 PM   #12
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Do you know what model you got? It looks like Costco carried the PRO1100E in BC. 80,000 litres equals 21,000 gallons so our pools are roughly the same size. When you say 62 to 95 in 2 days , is that 33 degrees in 48 hours?
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Old 02-20-2012, 02:46 PM   #13
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yes that is the model of the unit I purchased, and the degrees are fahrenheit. I think total time to heat was almost 60 hours. It was during the summer and the outside temp was around 75 or so.
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Old 02-25-2012, 09:33 PM   #14
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In our area it's a wash, gas vs heatpump ($0.95 per therm). Gas is MUCH faster (1 degree per hour for our 250,000 BTU heater) and the heaters are much les expensive. So, in general, I would go with gas.
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Old 02-25-2012, 10:33 PM   #15
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I choose a heat pump that is NOT dependant on gas oil or any other type of fossil fuel. My heat is from the air and that is not controlled by companies or corporations. That is the way I like it. End result it cost me a whole lot less than gas. Yes gas is faster, but in the end someone has to pay a bill, gas is a whole lot more than a heat pump.

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