For homes without a natural gas line, this pool heater from Raypak conveniently runs on liquid propane tanks. It has a 150,000-BTU output, and the brand recommends it for both above- and in-ground ...

Raypack, Hayward and Pentair are among the best propane pool heaters. Compare the 5 top propane gas pool heater features, reviews and cost.

As far as pool heaters go, this is the pinnacle. Its 240,000 BTU, propane-fueled, heat production is ideal for most residential above ground or inground pools.