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Pool Heaters

7 pool heaters from Raypak, Hayward, Pentair and more. Most cost $5,761 to $7,344, and half cost less than $5,864.

Pool Heaters by use

Inground20Above ground12250,000 BTU pool heaters and up48

Each use has a written rule on its page, built from listed specs. A pool heater can match several uses.

Recommended Pool Heaters

Raypak

Propane gas, 399000 Heating output, Propane

+Rated at 399,000 BTU for larger pools
+Runs on propane gas fuel
+Digital controls for setting temperature
−Requires a propane gas supply
$5,761.10
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Low NOx design
$5,861.02
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+399,000 BTU output for high heating capacity
+Runs on natural gas
+Cast iron ASME construction
No price recorded yet.
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399k BTU output for heating bigger pools
+Runs on natural gas
+Digital controls for setting temperature
$5,758.15
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Cupro-nickel heat exchanger
$7,308.00
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Low NOx design
$5,867.00
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+399,000 BTU natural gas output for faster heating
+Digital controls for setting the temperature
+Electronic ignition for starting the heater
$7,344.00
as of 11/04/2026 00:49 PST - Details

Popular filter pages

Natural Gas Pool Heaters42Pool Heaters: Natural Gas41Heat Pump Pool Heaters28Pool Heaters: Propane23Pool Heaters for Inground Pools12266,000 BTU Pool Heaters10400,000 BTU Pool Heaters10Pool Heaters for Inground and Above-Ground Pools9

Pool Heaters by Heater type

Natural gas6
Heat pump28

Pool Heaters that list a Heater type value.

Before you buy

Related pages

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.