PentairSpec score 7.6
Propane gas, 125000 Heating output, Propane
+125,000 BTU output suits smaller pools
+Compact design for small spaces
+Propane gas fuel option
−Requires a propane supply connection
$2,138.00
as of 11/04/2026 00:37 PST - DetailsProduct details
Spec score7.6
Pros+125,000 BTU output suits smaller pools
+Compact design for small spaces
+Propane gas fuel option
Cons−Requires a propane supply connection
Compared with the 107 Pool Heaters on this page−125000 heating output: 65 of the 85 here have a higher heating output
−15000 pool gallons: 4 of the 8 here have more pool gallons
How pros and cons are picked (About: Disclaimer) About this product
Pentair
Propane gas, 400000 Heating output, Propane
+Rated at 400,000 BTU for larger pool heating
+Runs on propane gas fuel
+High performance MasterTemp model for pool use
−Requires a propane gas supply to operate
$4,281.00
as of 11/04/2026 00:37 PST - DetailsTurbroSpec score 7.2
Heat pump, 18000 Heating output, Above ground
+Rated at 18,000 BTU of heating output
+Supports pools up to 6,000 gallons
+Runs on 120V power, a standard household outlet
−Lower 18,000 BTU output suits only smaller pools
$549.99
as of 11/04/2026 06:37 PST - DetailsProduct details
Spec score7.2
Pros+Rated at 18,000 BTU of heating output
+Supports pools up to 6,000 gallons
+Runs on 120V power, a standard household outlet
+Built for above ground pools
Cons−Lower 18,000 BTU output suits only smaller pools
Compared with the 107 Pool Heaters on this page−18000 heating output: 84 of the 85 here have a higher heating output
−6000 pool gallons: 7 of the 8 here have more pool gallons
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Electric, 37000 Heating output
+Electric heater runs on 240V household power
+Compact 37,000 BTU output for smaller pools
+Titanium heat exchanger resists corrosion from pool chemicals
−Electric output is lower than gas heaters of this type
$1,199.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Electric heater runs on 240V household power
+Compact 37,000 BTU output for smaller pools
+Titanium heat exchanger resists corrosion from pool chemicals
+Digital control for setting temperature
Cons−Electric output is lower than gas heaters of this type
Compared with the 107 Pool Heaters on this page−37000 heating output: 81 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) Raypak
Natural gas, 336000 Heating output, Natural gas
+Delivers 336000 BTU for a large pool heating load
+Runs on natural gas fuel
+Natural gas type for homes with a gas line
−Very high BTU output may be more than small pools need
$3,835.09
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Delivers 336000 BTU for a large pool heating load
+Runs on natural gas fuel
+Natural gas type for homes with a gas line
Cons−Very high BTU output may be more than small pools need
Compared with the 107 Pool Heaters on this page+336000 heating output: 59 of the 85 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
ACiQSpec score 8.8
Heat pump, 120000 Heating output, Inground and above ground
+120,000 BTU output for heating larger pools
+Inverter technology for variable heating output
+Works with both inground and above ground pools
−Requires a 240V electrical connection
$2,799.99
as of 11/04/2026 10:38 PST - DetailsProduct details
Spec score8.8
Pros+120,000 BTU output for heating larger pools
+Inverter technology for variable heating output
+Works with both inground and above ground pools
+240V electric heat pump design
Cons−Requires a 240V electrical connection
Compared with the 107 Pool Heaters on this page+Inverter: only 5 of 107 here have one
+33000 pool gallons: only 1 of 8 here have more pool gallons
−120000 heating output: 67 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 206000 Heating output, Propane
+Propane fuel type for homes without natural gas
+206,000 BTU output for larger pools
+Digital electronic ignition
−Propane fuel requires a propane supply
$3,020.84
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Propane fuel type for homes without natural gas
+206,000 BTU output for larger pools
+Digital electronic ignition
Cons−Propane fuel requires a propane supply
Compared with the 107 Pool Heaters on this page−206000 heating output: 47 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Blue Wave
Solar, Above ground
+Solar design uses sunlight to heat pool water
+4 by 20 foot collector size
+Universal fit for above-ground pools
−Heating depends on available sunlight
$299.99
as of 11/03/2026 22:55 PST - DetailsRaypak
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 107 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
RaypakSpec score 8.1
Heat pump, 28000 Heating output, Inground and above ground
+Heat pump rated at 28,000 BTU
+Inverter technology for variable output
+WiFi connectivity for remote control
−Requires a 240V electrical connection
$749.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Spec score8.1
Pros+Heat pump rated at 28,000 BTU
+Inverter technology for variable output
+WiFi connectivity for remote control
+Works with inground and above ground pools
+Rated for pools up to 7,500 gallons
Cons−Requires a 240V electrical connection
Compared with the 107 Pool Heaters on this page+Inverter: only 5 of 107 here have one
−28000 heating output: 83 of the 85 here have a higher heating output
−7500 pool gallons: 6 of the 8 here have more pool gallons
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 107 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
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 107 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
Gulfstream
Heat pump, 136000 Heating output
+136,000 BTU output for heating larger pool volumes
+Heat pump design runs on electricity
+Heats and cools pool water in one unit
−Heat pump output drops in cold outdoor air
$4,490.00
as of 11/03/2026 23:18 PST - DetailsProduct details
Pros+136,000 BTU output for heating larger pool volumes
+Heat pump design runs on electricity
+Heats and cools pool water in one unit
Cons−Heat pump output drops in cold outdoor air
Compared with the 107 Pool Heaters on this page−136000 heating output: 62 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) 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 107 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
Raypak
Natural gas, 266000 Heating output, Natural gas
+266,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
−Millivolt controls rather than digital controls
$3,254.73
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+266,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
Cons−Millivolt controls rather than digital controls
Compared with the 107 Pool Heaters on this page+266000 heating output: 43 of the 85 here have a lower heating output
How pros and cons are picked (About: Disclaimer) Gulfstream
Heat pump, 117000 Heating output
+117,000 BTU output for mid-sized pool heating
+Heat pump design runs on electricity
+Heats and cools pool water in one unit
−Heat pump output drops in cold outdoor air
$4,095.00
as of 11/03/2026 23:18 PST - DetailsProduct details
Pros+117,000 BTU output for mid-sized pool heating
+Heat pump design runs on electricity
+Heats and cools pool water in one unit
Cons−Heat pump output drops in cold outdoor air
Compared with the 107 Pool Heaters on this page−117000 heating output: 70 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) Raypak
Heat pump, 140000 Heating output
+Heat pump design moves heat rather than burning fuel
+Titanium heat exchanger resists pool water corrosion
+140,000 BTU output for larger pools
−Heat pump output depends on outside air temperature
$5,080.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Heat pump design moves heat rather than burning fuel
+Titanium heat exchanger resists pool water corrosion
+140,000 BTU output for larger pools
Cons−Heat pump output depends on outside air temperature
Compared with the 107 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
Raypak
Heat pump, 80000 Heating output
+80,000 BTU output for pool heating
+Heat pump type uses electricity rather than gas
+Runs on 240V power
−Requires a 240V power supply
$3,299.99
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+80,000 BTU output for pool heating
+Heat pump type uses electricity rather than gas
+Runs on 240V power
Cons−Requires a 240V power supply
Compared with the 107 Pool Heaters on this page−80000 heating output: 77 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 107 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
Pentair
Propane gas, 400000 Heating output, Propane
+400,000 BTU output for larger pools
+Low NOx emissions design
+Propane gas fuel option
−Requires a propane supply connection
$4,395.00
as of 11/04/2026 00:37 PST - DetailsProduct details
Pros+400,000 BTU output for larger pools
+Low NOx emissions design
+Propane gas fuel option
+Limited warranty included
Cons−Requires a propane supply connection
Compared with the 107 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
SolarPoolSupply
Solar
+Solar heater that uses sunlight rather than fuel or electricity
+Sold as a DIY kit for self installation
+Designed to extend the pool swim season
−Performance depends on available sunlight
$4,395.99
as of 11/04/2026 05:36 PST - DetailsProduct details
Pros+Solar heater that uses sunlight rather than fuel or electricity
+Sold as a DIY kit for self installation
+Designed to extend the pool swim season
Cons−Performance depends on available sunlight
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 180000 Heating output, Propane
+Propane fuel type for homes without natural gas
+180,000 BTU output for mid-sized pools
+Digital controls for setting temperature
−Propane fuel requires a propane supply
$3,390.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Propane fuel type for homes without natural gas
+180,000 BTU output for mid-sized pools
+Digital controls for setting temperature
Cons−Propane fuel requires a propane supply
Compared with the 107 Pool Heaters on this page−180000 heating output: 52 of the 85 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 406000 Heating output, Propane
+406,000 BTU output for high heating capacity
+Runs on propane
+Built for 3,000 to 5,000 foot elevation
−Propane fuel requires a propane supply
$4,200.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+406,000 BTU output for high heating capacity
+Runs on propane
+Built for 3,000 to 5,000 foot elevation
Cons−Propane fuel requires a propane supply
Compared with the 107 Pool Heaters on this page+406000 heating output: the highest heating output of the 85 here
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 107 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
Raypak
Propane gas, 300000 Heating output, Propane
+300,000 BTU output for faster pool heating
+Runs on propane
+Cupro-nickel heat exchanger
−Propane fuel requires a propane supply
No price recorded yet.
Product details
Pros+300,000 BTU output for faster pool heating
+Runs on propane
+Cupro-nickel heat exchanger
Cons−Propane fuel requires a propane supply
Compared with the 107 Pool Heaters on this page+300000 heating output: 53 of the 85 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 264000 Heating output, Natural gas
+264,000 BTU output for large pools
+Runs on natural gas
+Digital control with WiFi readiness
−Requires a natural gas line and venting
$4,005.01
as of 11/04/2026 00:49 PST - DetailsRaypak
Propane gas, 264000 Heating output, Propane
+264,000 BTU output for large pools
+Propane fuel suits homes without natural gas lines
+Low NOx emissions design
−Requires propane supply and venting
$3,387.59
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+264,000 BTU output for large pools
+Propane fuel suits homes without natural gas lines
+Low NOx emissions design
+Runs on 120 to 240V power
+Polymer header and copper tubing
Cons−Requires propane supply and venting
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 266000 Heating output, Propane
+266,000 BTU output for faster pool heating
+Runs on propane
+Cast iron ASME construction
−Propane fuel requires a propane supply
$4,043.89
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+266,000 BTU output for faster pool heating
+Runs on propane
+Cast iron ASME construction
Cons−Propane fuel requires a propane supply
Compared with the 107 Pool Heaters on this page+266000 heating output: 43 of the 85 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
