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  James Kantorowicz December 4, 2009 at 8:22am

  David check out this company

  
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  Mike Paluszynski December 3, 2009 at 8:03pm

  Geothermal is a great way to heat a pool or spa. I have installed many of these systems on our pool projects in the past. We are in N Florida, so we don't have to go more than 20 ft for the water source. Since the heat source is 72 degree ground water, I can heat a spa in January in about 30 minutes (102 deg.) no matter what the air temp is. The only hitch is, the water management authority here will not allow injection wells, so we must have a pond, ditch, or other body of water to discharge the source water to. That limits the option for some clients. Other than that, I think they are the most efficient and cost productive way to heat pools and spas.
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    Evelio Aleman (Aquatrend Pools) > Mike Paluszynski January 1, 2010 at 4:09pm

    Hey Mike, I'm not very familiar with this type of heating system. How many btu's does a system like that produce? How much space is required to install these systems?
    
    Mike Paluszynski said:

    Geothermal is a great way to heat a pool or spa. I have installed many of these systems on our pool projects in the past. We are in N Florida, so we don't have to go more than 20 ft for the water source. Since the heat source is 72 degree ground water, I can heat a spa in January in about 30 minutes (102 deg.) no matter what the air temp is. The only hitch is, the water management authority here will not allow injection wells, so we must have a pond, ditch, or other body of water to discharge the source water to. That limits the option for some clients. Other than that, I think they are the most efficient and cost productive way to heat pools and spas.
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  Sandy L. King September 28, 2009 at 10:50am

  We have been installing Geo-Thermal pool/spa heating and cooling throughout the state of Florida since 1983. Please watch our 3 minute video on our website: symbiontservice.com. The Symbiont has a great return on investment compared to gas heating with the same heating performance as gas. We do wholesale our equipment outside of Florida. A local well driller could install the wells and source pump. Geo-Thermal is the most energy efficient system available without sacrificing performance. (Solar is limited on performance)
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  David Lane September 28, 2009 at 9:46am

  We have done several since we share our office with a sister company that does heating and air including geo-thermal. We are starting another job today in fact that uses a geo-thermal loop from the pool. We charge the customer an additional $500 for 2 side wall suctions for a looped plumbing to the a/c circulating pump(provided with a/c) and return back to pool. One of the advantages is the new 30% tax credit so the customer who is installing new a/c at the same time as the pool, (this case is a new home) the homeowner can get a more efficient a/c for about the same money as a conventional unit without the tax credit. This is partly due to using the pool as the outside condensing unit vs drilling 5 - 200 foot deep well loop to disperse heat from house. In this case the customer wanted geo-thermal a/c first and only agreed to the pool when he saw the cost saving of the tax credit and not having the expense of drilling the wells for a/c loops. They will have to go with a more expensive heat exchanger due to changes in pool water balances. We also put a fountain or water feature on these pools to aide in cooling the water if needed in peak of summer. Our a/c division could answer more questions. Hope this helps.
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  Scott Heusser September 25, 2009 at 12:31pm

  If I am thinking of the same company it is a ground source heat pump. The ground source heat pumps work GREAT and are wonderfully efficient. In addition to the ability or heat or cool the pool the heat pump can be set up to heat and cool the house. The downside is that they are expensive, so the return on investment is quite lengthy.
  
  If it is geothermal (hot spring water) it is much less expensive and pretty easy to work with. We have a sizable number of pools in Boise that have access to geothermal water and heat their pool with simple controls and a heat exchanger. These work great, and are really inexpensive as the geothermal water is piped house to house in the area. If they had to drill a well and pump it the expense would of course go up.
  
  Regardless of the system, when using a heat exchanger keep in mid some are not listed for use in saline conditions. If it is a SCG pool you'll need a titanium heat exchanger.
  
  There is my two cents, hope it helps.