If you, like many pool owners, feel like your swimming pool is always just a little too cold to enjoy, or if you are looking to extend your swimming season, then you need a pool heater. Whether you have an above ground pool or an inground pool, there are so many different types of pool heaters available that it can be overwhelming. When you are looking to heat a larger pool quickly, a gas powered pool heater is definitely the way to go. That’s why our experts have put together this list of the best gas pool heaters for sale to make your 2022 pool season the best one yet.

Above Ground Pool Heaters

Above ground pools are usually smaller than inground pools, so they need smaller heaters. Doheny’s carries the best selection of high quality above ground gas pool heaters available. Here are some of our favorites:

Hayward H-Series Pool Heater 135,000 BTU, Natural Gas

The compact and lightweight Hayward H-Series above ground pool heater is small in size but big on power. The heavy duty design features a cupro nickel heat exchanger to resist corrosion. We especially like the low NOx emissions that will save you money on energy costs and reduce pollution. It’s also available for propane

Hayward Universal H-Series H150 Low NOx Pool Heater, 150,000 BTU, Propane Gas

Another great pick from Hayward, this compact, energy efficient unit is perfect for pools and hot tubs with up to 450 sq ft of surface area. The cupro nickel heat exchanger and Totally Managed Flow help to prevent corrosion even in pools with unbalanced water chemistry. This heater is a great choice for pools with salt chlorination systems.

Raypak Model 106 Analog Control 105,000 BTU, Natural Gas

This small gas pool & spa heater from Raypak is perfect for small to midsize above ground pools. The analog thermostat is easy to adjust and doesn’t have a lot of complicated parts that can easily break. The sturdy construction both inside and out means this natural gas swimming pool heater will last for many years, even when exposed to harsh weather and corrosive pool chemicals. It’s also available for propane gas.   

Inground Pool Heaters

Doheny’s carries only the best inground swimming pool heaters so you can heat your pool quickly and efficiently. If you are looking for a propane or natural gas pool heater for inground pools, these are some of our top performers for 2022.

Pentair MasterTemp Pool Heater Natural Gas, 300,000 BTU  

There is a lot to like about this natural gas pool heater from Pentair. The compact design, top rated energy efficiency, ease-of-use, and quiet operation make it one of our top choices for 2022. The copper heat exchanger will stand up to harsh pool water conditions and the heavy duty exterior resists rust and corrosion.

Raypak Model 406A Millivolt Natural Gas, 399,000 BTU

Raypak is one of our favorite pool heater brands because their products are built to last. The corrosion-proof cabinet and regulated flow of water within the unit provide unmatched durability. A unique feature of the Raypak Model 406A Millivolt is the round analog manual thermostat for precise and accurate temperature setting.

Hayward Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Propane Gas

The H400 is the largest heater available in the Universal H-Series, and it can be used with pools that have up to 1400 sq ft of surface area. (Smaller models are also available for smaller pools.) This energy efficient unit meets low NOx emissions standards and will save you big money on energy costs. Exclusive features include the Totally Managed Flow system to reduce corrosion and the silicon nitride ignition system. 

Commercial Pool Heaters

For a big job, you need a powerful heater. That’s why Doheny’s selection of commercial pool heaters features the highest performing gas pool heaters on the market.


Pentair Commercial PowerMax Heater 1,000,000 BTU

This CSA certified unit can be used in indoor or outdoor settings. The range of sizes from 500,000 to 2 million BTU make it powerful enough for use in commercial swimming pools and theme parks. The PowerMax heater meets low NOx emissions requirements and raises water temperature quickly and efficiently, thanks to the 10-tube heat exchanger. Its small footprint means it can fit through a standard-size doorway.


We hope we have taken some of the mystery out of pool heating with our guide to the best propane and natural gas pool heaters. But we don’t just carry gas pool heaters. If you are looking for any type of pool heater, including electric pool heaters, heat pumps, and solar pool heaters, you can’t beat Doheny’s selection and affordable prices. Call Doheny’s today at 800-574-7665 or visit our website at doheny.com for a huge selection of pool equipment and supplies from the best brands available.