Pool Heaters

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Swimming Pool Heater Information

Natural Gas and Propane Pool Heaters

Natural gas and propane pool heaters provide an efficient way to warm your pool water to your preferred temperature, in any conditions. Gas pool heaters are assorted by the heat output, in BTU's. Manufacturers offer model sizes ranging from 100K BTU to 400K BTU. Above ground natural gas pool heaters are usually between 100-200K BTU. In-ground gas pool heaters are between 200K-400K BTU, and sized according to pool size in gallons and surface area.

Larger pool heaters will heat the water faster, but may not always be necessary. As a general rule of thumb, we recommend shopping for a natural gas pool heater with at least 100K BTU for every 10,000 gallons of pool water. Using a solar pool cover can also help reduce evaporative heat loss by 95%, decreasing the size of gas heater required and the cost to operate the heater. Whether you are looking for a Natural Gas Pool Heater or Propane Pool Heater, Leslie’s Pool Supplies offers a pool heating solution for every swimming pool.

Here at Leslie’s, we offer all the most reliable and popular manufacturers and brands such as Jacuzzi, Pentair, Hayward, Raypak, and many more!

How To Heat A Swimming Pool

Whether you are looking to open the pool early or extend your swimming season into the late fall, the best way to do it is with a pool heater! Learn more about Gas Pool Heaters, Pool Heat Pumps, Solar Pool Heaters, and Solar Pool Covers in this quick guide: How to Heat a Swimming Pool.

How Much Does It Cost To Heat A Swimming Pool?

The answer depends on the type of pool heater you choose. Learn about the cost difference between natural gas pool heaters, propane pool heaters, heat pumps and solar pool heaters in this helpful article: What's the Cost to Heat a Pool.

What Size Pool Heater Do I Need For My Pool?

Knowing how to correctly size a pool heater is one of the best ways to ensure your pool's heating efficiency is as high as possible. Let us help you find the perfect size pool heater for swimming pool, here: How to Size a Pool Heater: How Many BTUs?.

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