When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping
Wiki Shopping
TipsLearnAbout
Wiki Shopping

Pool Heaters

8 pool heaters from Raypak, Hayward, Pentair and more. Most cost $4,281 to $4,739, and half cost less than $4,395.

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, 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 - Details
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 - Details
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 - Details
Pentair

Natural gas, 400000 Heating output, Natural gas

+400,000 BTU output for larger pools
+Natural gas fuel, no propane tank needed
+Titanium heat exchanger for corrosion resistance
−Requires a natural gas line connection
No price recorded yet.
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 - Details
Pentair

400000 Heating output

+Rated at 400,000 BTU, a high output for large pools
$4,739.00
as of 11/04/2026 00:37 PST - Details
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 - Details
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 - 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 gas3
Heat pump28

Pool Heaters that list a Heater type value.

Before you buy

Related pages

Hot Tubs194Pool Cleaners262Pool Pumps73Saunas1,505Pool Thermometers48Pool Chemicals & Test Kits61Handheld Pool Vacuums66Pool Brushes62Pool Maintenance Kits58Pool Vacuum Heads67Pool Skimmers & Nets65DE Pool Filters61

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