Heating my pool in Aruba with a heat exchanger

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nibrtio
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My Pool: 8000 gallons pool

Heating my pool in Aruba with a heat exchanger

Postby nibrtio » Mon 06 May, 2024 01:27

My situation is the following. My pool in Aruba is only about 78F without heating. I would like to heat my pool to about 84 degrees. The constant wind cools the pool, also the evaporation, so although the air temperature is constantly around 90F during the day, the pool water is not more than 78-79F. I can't ship a pool heat pump, the cost can be really expensive including shipping and taxes. I have a Bowman titanium heat exchanger 135, which has 75k BTU heat load at 140F degrees. My pool is about 8000 gallons. I can use some boiler water for the heat exchanger, but I am at loss to calculate what the capacity of this boiler should be. The boiler will be installed in my pool shed where I have also the pool filter, pump and the heat exchanger and I will insulate the water lines. Does anybody have any knowledge about how big this boiler needs to be? I have some knowledge about the circuit, I need a pump and an Aquastat for the boiler circuit. The Bowman heat exchanger will be installed as per their specifications on the pool line. The boiler heated water will enter the heat exchanger and heat the pool water. But what type of electric boiler do I need, how big should it be? There is no natural gas or propane in Aruba, but I can eventually install some solar panels to produce the electricity for this boiler, so hopefully this will not cost me an arm and a leg. Thank you so much, I hope someone will know the answer.


Denniswiseman
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Re: Heating my pool in Aruba with a heat exchanger

Postby Denniswiseman » Mon 06 May, 2024 16:29

Have you considered solar panels which circulate the pool water through them with a thermister so that it stops circulating when there is no heat gain
nibrtio
I'm new here
I'm new here
Posts: 2
Joined: Mon 06 May, 2024 01:25
My Pool: 8000 gallons pool

Re: Heating my pool in Aruba with a heat exchanger

Postby nibrtio » Tue 07 May, 2024 01:40

Yes thank you for your response, I did, I had something like that before in Canada, unfortunately they leaked after some time. My titanium heat exchanger is made in UK, used all over Europe in commercial and residential applications, it's made to be used on the pool line. This is a house that I rent from time to time and sometimes is empty, I can't use anything that is not commercial grade, it will not last due to heat and salty air. But the circuit that heats the heat exchanger is another story, I thought about using some solar device to heat the water as well. It's just that I need to spec this for the heat exchanger, solar water might not cut it. But I can use any electric boiler with solar power, and I believe that is the best solution I can get.
Teapot1
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Re: Heating my pool in Aruba with a heat exchanger

Postby Teapot1 » Tue 07 May, 2024 02:18

Yes evacuated solar would be perfect. I intend to do similar myself. On a customers pool I fitted the same Bowman heat exchanger via a gas boiler as it not just the size of the boiler but how fast you want to heat the pool, 1 day to heat it or 2 so to speak. Of course you need to see how much power you can draw from your electricity supply. Something around 8kw I would suspect but also do you have a good cover for the pool otherwise its like peeing into the wind.
I may not give you the answer you want to hear, but I will give an honest opinion of your situation as you decribe it.

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