Raypak
Propane gas, 400000 Heating output, Inground, Propane
+400K BTU output for heating larger inground pools
+Runs on propane fuel
+Built for inground pool and spa use
−Requires a propane supply rather than electric hookup
$3,799.00-10%List: $4,199.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+400K BTU output for heating larger inground pools
+Runs on propane fuel
+Built for inground pool and spa use
Cons−Requires a propane supply rather than electric hookup
Compared with the 10 Pool Heaters on this page+400000 heating output: only 5 of 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Natural gas, 150000 Heating output, Inground, Natural gas
+150,000 BTU output for heating inground pools
+Runs on natural gas fuel
+Made for inground pools
−Requires a natural gas line connection
$2,999.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+150,000 BTU output for heating inground pools
+Runs on natural gas fuel
+Made for inground pools
Cons−Requires a natural gas line connection
Compared with the 10 Pool Heaters on this page−150000 heating output: 55 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 400000 Heating output, Inground, Natural gas
+400K BTU output for heating larger inground pools
+Runs on natural gas fuel
+Built for inground pool and spa use
−Requires a natural gas line rather than electric hookup
$4,298.99
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+400K BTU output for heating larger inground pools
+Runs on natural gas fuel
+Built for inground pool and spa use
Cons−Requires a natural gas line rather than electric hookup
Compared with the 10 Pool Heaters on this page+400000 heating output: only 5 of 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Heat pump, 140000 Heating output, Inground
+140,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
−Heat pump output drops in cold outdoor air
$6,999.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+140,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
Cons−Heat pump output drops in cold outdoor air
Compared with the 10 Pool Heaters on this page−140000 heating output: 59 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Natural gas, 135000 Heating output, Inground, Natural gas
+135,000 BTU output for inground pool heating
+Runs on natural gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Gas-fired heaters need a natural gas line connection
$2,699.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+135,000 BTU output for inground pool heating
+Runs on natural gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
+Universal H-Series model with OmniX control
Cons−Gas-fired heaters need a natural gas line connection
Compared with the 10 Pool Heaters on this page−135000 heating output: 63 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Heat pump, 100000 Heating output, Inground
+100,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
−Heat pump output drops in cold outdoor air
$5,799.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+100,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
Cons−Heat pump output drops in cold outdoor air
Compared with the 10 Pool Heaters on this page−100000 heating output: 76 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Propane gas, 135000 Heating output, Inground, Propane
+135,000 BTU output for inground pool heating
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Propane fuel requires a propane supply connection
$2,699.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+135,000 BTU output for inground pool heating
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
+Universal H-Series model with OmniX control
Cons−Propane fuel requires a propane supply connection
Compared with the 10 Pool Heaters on this page−135000 heating output: 63 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Pentair
Natural gas, 400000 Heating output, Inground
+Rated at 400,000 BTU for inground pool heating
+Runs on natural gas fuel
+Suitable for both pools and spas
$4,499.00
as of 11/04/2026 00:37 PST - DetailsProduct details
Pros+Rated at 400,000 BTU for inground pool heating
+Runs on natural gas fuel
+Suitable for both pools and spas
Compared with the 10 Pool Heaters on this page+400000 heating output: only 5 of 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Propane gas, 400000 Heating output, Inground, Propane
+400,000 BTU output for fast heating of large inground pools
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Propane fuel requires a propane supply connection
$5,099.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+400,000 BTU output for fast heating of large inground pools
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
+Universal H-Series model for inground pool installs
Cons−Propane fuel requires a propane supply connection
Compared with the 10 Pool Heaters on this page+400000 heating output: only 5 of 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Heat pump, 140000 Heating output, Inground
+140,000 BTU output for heating inground pools
+Heat pump design runs on electricity
+Described as energy-efficient in its name
−Heat pump output drops in cold outdoor air
No price recorded yet.
Product details
Pros+140,000 BTU output for heating inground pools
+Heat pump design runs on electricity
+Described as energy-efficient in its name
+Heats and cools pool water
Cons−Heat pump output drops in cold outdoor air
Compared with the 10 Pool Heaters on this page−140000 heating output: 59 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
