Geothermal Pool Heating: Learn All You Need To Know With These FAQs

Geothermal Pool Heating: Learn All You Need To Know With These FAQsGeothermal pool heating has taken the lead as a clean, environmentally sustainable alternative heat source for swimming pools and spas. Using the year-round consistent temperature of groundwater in lakes and aquifer wells, geothermal energy keeps pool and spa water warm without combustion or the inherent inefficiencies of a gas-fired heater. It produces no CO2 gases and employs long-lasting, low-maintenance equipment.

Here are some of the common questions we hear from customers about geothermal pool heating.

  • What are the advantages of geothermal?
    Geothermal can heat your pool or spa at a lower cost than gas. Depending on the size of the pool, the reduction in energy expenses can range from 70 to 90 percent. Also, geothermal systems have a service life of up to 20 years, compared to 5 to 10 years for gas-fired heaters.
  • How does a geothermal water-sourced heat pump work?
    The system extracts latent heat from ground water in wells, concentrates it in refrigerant through a compressor cycle, then transfers the heat to circulating pool water through a heat exchanger. Well water and pool water never mix.
  • How large are the aquifer wells?
    The wells range from 2 inches to 1 foot in diameter. Size varies according to the volume of water required by the system to heat a pool of a specific size.
  • Will removing water from the underground aquifer cause it to run dry?
    All water taken from a geothermal aquifer is pumped back into the aquifer through a separate return well after the heat is extracted. This sustains healthy aquifer levels.
  • If I am heating a spa in addition to a pool, will I need a separate well?
    Water from the same well can be used as a heat source for both a swimming pool and a spa.
  • How large are geothermal heaters?
    The units take up more room than a typical gas heater. However, geothermal heaters can be installed indoors or outdoors, and multiple heating units can be stacked on top of each other if required.

Symbiont Service Corporation is South Florida’s premiere source for geothermal pool heating technology. Contact us today for more information about using geothermal energy for your pool and spa heating.

Our goal is to help educate our customers in Englewood, Florida and surrounding areas about energy and home comfort issues (specific to HVAC systems).  For more information about geothermal pool heating and other HVAC topics, download our free Home Comfort Resource guide.

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