Propane gas, 400000 Heating output, Inground, Propane
Pool Heaters for Inground Pools
12 pool heaters for inground pools from Hayward and Raypak. Most cost $1,885 to $5,799, and half cost less than $3,799.
+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
Raypak Avia 400K BTU Propane Pool Heater for Inground Pools Pool and Spa Heater with Copper Heat Exchanger, Built-in
$3,799.00as of 11/04/2026 00:49 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page+400000 heating output: the highest heating output of the 12 here
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.5
Heat pump, 80000 Heating output, Inground
+Inverter: only 2 of 12 here have one
−80000 heating output: 10 of the 12 here have a higher heating output
$1,885.36-5%Was: $1,984.59
as of 11/04/2026 13:40 PST - DetailsProduct details
BluePlenum 80,000 BTU Pool Heat Pump for In-Ground Pool, 208–240V Inverter Pool Heater with Cooling for Up to 22,000
$1,885.36as of 11/04/2026 13:40 PST - Details
View on AmazonSpec score8.5
Compared with the 12 Pool Heaters on this pagePros
+Inverter: only 2 of 12 here have one
Cons−80000 heating output: 10 of the 12 here have a higher heating output
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward H-Series Natural Gas Pool Heater for Inground Pools 150,000 BTU | W3H150FDN Universal H Series Swimming Pool
$2,999.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page+150000 heating output: 7 of the 12 here have a lower heating output
How pros and cons are picked (About: Disclaimer)About this product
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
Raypak Avia 400K BTU Natural Gas Pool Heater for Inground Pools Gas Pool and Spa Heater with NiTek Heat Exchanger,
$4,298.99as of 11/04/2026 00:49 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page+400000 heating output: the highest heating output of the 12 here
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward HeatPro Pool Water Heat Pump Heater for Inground Pools, 140,000 BTU
$6,999.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward Pool Heater for Inground Pools Universal H-Series 135,000 BTU w/OmniX (Natural Gas Pool Heater) Pool and Spa
$2,699.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page−135000 heating output: 7 of the 12 here have a higher heating output
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward W3HP31005T HeatPro Heat Pump, 100,000 BTU Heat & Cool Heat Pump for In-Ground Pools$5,799.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page−100000 heating output: 9 of the 12 here have a higher heating output
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward Pool Heater for Inground Pools Universal H-Series 135,000 BTU w/OmniX (Propane Gas Pool Heater) Pool and Spa
$2,699.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page−135000 heating output: 7 of the 12 here have a higher heating output
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward H-Series Propane Gas Pool Heater for Inground Pools 400,000 BTU | W3H400FDP Universal H Series Swimming Pool
$5,099.00as of 11/03/2026 23:21 PST - Details
View on AmazonPros
+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 12 Pool Heaters on this page+400000 heating output: the highest heating output of the 12 here
How pros and cons are picked (About: Disclaimer)About this product
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
Hayward HeatPro 140,000 BTU Swimming Pool Heat Pump for In-Ground Pools | W3HP21405T Energy-efficient 140,000 BTU heatNo price recorded yet.View on Amazon
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
How pros and cons are picked (About: Disclaimer)About this product
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
Pentair | SR400NA | Max-E-Therm 400,000 BTU Natural-Gas Pool & Spa Heater – High-Efficiency Low-NOx$4,499.00as of 11/04/2026 00:37 PST - Details
View on AmazonPros
+Rated at 400,000 BTU for inground pool heating
+Runs on natural gas fuel
+Suitable for both pools and spas
Compared with the 12 Pool Heaters on this page+400000 heating output: the highest heating output of the 12 here
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.4
Heat pump, 33000 Heating output, Inground
+Inverter: only 2 of 12 here have one
−33000 heating output: 11 of the 12 here have a higher heating output
$1,199.00
as of 11/04/2026 06:37 PST - DetailsProduct details
TURBRO 33,000 BTU Inverter Swimming Pool Heat Pump, Up to 10,000 Gallons | Heating and Cooling, Up to 15.8 COP,
$1,199.00as of 11/04/2026 06:37 PST - Details
View on AmazonSpec score8.4
Compared with the 12 Pool Heaters on this pagePros
+Inverter: only 2 of 12 here have one
Cons−33000 heating output: 11 of the 12 here have a higher heating output
How pros and cons are picked (About: Disclaimer)About this product
Compare specs
| pool heater | Heater type | Heating output | Pool type | Fuel | Spec score | Price |
|---|---|---|---|---|---|---|
| Propane gas | 400000 | Inground | Propane | n/a | $3,799.00 as of 11/04/2026 00:49 PST - Details | |
| Heat pump | 80000 | Inground | 8.5 | $1,885.36 as of 11/04/2026 13:40 PST - Details | ||
| Natural gas | 150000 | Inground | Natural gas | n/a | $2,999.00 as of 11/03/2026 23:21 PST - Details | |
| Natural gas | 400000 | Inground | Natural gas | n/a | $4,298.99 as of 11/04/2026 00:49 PST - Details | |
| Heat pump | 140000 | Inground | n/a | $6,999.00 as of 11/03/2026 23:21 PST - Details | ||
| Natural gas | 135000 | Inground | Natural gas | n/a | $2,699.00 as of 11/03/2026 23:21 PST - Details | |
| Heat pump | 100000 | Inground | n/a | $5,799.00 as of 11/03/2026 23:21 PST - Details | ||
| Propane gas | 135000 | Inground | Propane | n/a | $2,699.00 as of 11/03/2026 23:21 PST - Details | |
| Propane gas | 400000 | Inground | Propane | n/a | $5,099.00 as of 11/03/2026 23:21 PST - Details | |
| Heat pump | 140000 | Inground | n/a | No current price |








