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Solar Pool Heaters

solar pool heater

Why Solar Pool Heaters?

Tired of closing your pool as soon as the weather gets cold? Are you looking to extend your swimming season by more than just a few weeks? Solar Heaters are a great way to quickly heat your water, and allow you to enjoy your pool for months past the end of swimming season! Great for both in-ground and above ground pools in sunny climates, Solar Heaters are designed to extend your swimming into the early spring and late fall by efficiently heating your water to a comfortable swimming temperature. Solar Heaters work by collecting the energy from the sun’s rays, and using that to heat your pool water. Using a Solar Heater will save you money on electricity bills and provide eco-friendly option to gas heaters. Purchasing a Solar Heater will give you months of warm water even during cooler weather, and help you and your family spend more time in the pool than ever before!

Efficient and easy to maintain

Solar Heaters are some of the most efficient and easy-to-maintain pool heaters on the market. These types of heaters work by drawing in the sun’s energy in large solar collector panels. Cold pool water is pumped through these panels, and the heat from the sun warms the water before it is transferred back into the pool. This method saves you from expensive gas or electricity bills, and is great for the environment because it uses no fossil fuels.

Because of these great features and the lack of maintenance required to operate one, Solar Heaters have taken off in popularity, and now account for more than 20% of all pool heaters.

How warm do they make the water?

Solar Heaters are designed to work in sunny climates that see mild weather for much of the year. Most Solar Heaters are capable of quickly increasing the water temperature by 10 – 20 degrees Fahrenheit, and because of this, help extend your swimming season. Perfect for both in-ground and above ground pools, Solar Heaters can be installed on the roof of a house, along the side of the pool, or in any area where they can collect large amounts of solar energy. Pool owners in mild climates that see mostly sunny days for much of the early spring and late fall will want to consider a Solar Heater to help extend their season.

No electricity needed

Not only do Solar Heaters save you money by using no gas and very little electricity, but they are also the most eco-friendly type of pool heater available. Solar Heaters require no electricity to collect heat from the sun, and most pool pumps should be sufficient to pump the water through the solar collectors. Low operating costs and virtually no required maintenance are just some of the reasons why Solar Heaters are becoming some of the most popular methods for heating pools.

Extend your season

Heating your water is vital to enjoying your pool and Extending Your Swimming Season, but without retaining the heat in your pool using a solar cover, much of the energy that is used warming the pool will dissipate into the air. Using a solar cover along with a Solar Heater can save you as much as 50% of the cost of energy it takes to heat your pool. Combining a solar cover with a Solar Heater will heat your pool more quickly, and will keep the pool warm long into the night, as well as later into the swimming season.

Solar heating equipment

Purchasing the correct amount of solar panels is important for proper pool heating. For information on the individual models and how to size them for your pool, please read the product pages below. For additional info on sizing and installation, please contact or visit your nearest Leslie’s Retail Location.

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Features and Tips for Using Solar Heaters

  • Great for use in mild climates that see many days of sunshine
  • Can be used to extend your season by several months, both in early spring before swimming season, and late fall after swimming season
  • Capable of heating and maintaining the pool temperature by 10 – 20 degrees Fahrenheit
  • Should be used along with a solar cover in order to retain the heat inside your pool
  • Easy to set up anywhere and virtually work-free maintenance
  • Works with almost all pool pumps and requires no upgrades
  • Saves you money on gas and electricity bills
  • Environmentally friendly, using no gas and very little electricity
  • Perfect for use with both in-ground and above ground pools
  • Built to keep your pool warm year after year
  • Can be professionally installed by a trained Leslie’s technician



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Leslie’s makes every effort to provide accurate recommendations based upon current ANSI/APSP/ICC-5 2011 (R2022) standards, but codes and regulations change, and Leslie’s assumes no liability for any omissions or errors in this article or the outcome of any project. You must always exercise reasonable caution, carefully read the label on all products, follow all product directions, follow any current codes and regulations that may apply, and consult with a licensed professional if in doubt about any procedures. Leslie’s assumes no legal responsibility for your reliance or interpretation of the data contained herein, and makes no representations or warranties of any kind concerning the quality, safety, or suitability of the information, whether express or implied, including, without limitation, any implied warranties of merchantability or fitness for a particular purpose.