How a gas heater heats your pool

Gas heaters use heat pumps to generate electricity. They operate in similar fashion to solar heaters. The heat pump pulls in the sun-warmed air. This heat is extracted from the air, upgraded with a compressor, the pump then shift the heat to the water.
 

• How do gas heaters work?
• Gas heaters energy rating and efficiency
• Cost to operate a gas heater
• The size gas heater required
• Longevity and maintenance of your gas heater