Natural gas pool heaters are a reliable, safe and efficient way to warm your pool water to your preferred temperature, despite what the air temperature might be. In-ground pool heaters and above ground pool heaters are great for early in the season when you’re eager to open the pool, or when autumn rolls around and you want to hang on to extra days of the swim season. In The Swim's natural gas pool heaters connect directly to your home’s gas line and are simple to use. We carry a great variety of the best natural gas pool heaters from leading brands like Jandy, Raypak and Hayward. In the Swim's selection of natural gas pool heaters is sure to have the perfect fit for your above ground pool or in-ground swimming pool. Our natural gas pool heaters experts are available to help answer any questions you may have throughout the buying process, and many of our natural gas pool heaters are available with fast, free shipping. Natural gas pool heaters are one of the most energy efficient ways to control your pool water's temperature. Natural gas pool heaters also extend your swim season in the spring and fall by heating the water back to a comfortable temperature after chilly nights.