Inground Pool Heaters

3 inground pool heaters from Hayward, Raypak, ACiQ and more. Prices run $2,699 to $5,099.

Pool heaters whose title names inground pools.

We do not pick by hand: a pool heater is here because its listed specs pass the checks.

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

No price recorded yet.

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 11/04/2026 23:17 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 11/04/2026 23:17 PST - Details

Compare specs

Heater type	Heating output	Pool type	Spec score	Price
Propane gas	400000	Inground	n/a	No current price
Propane gas	135000	Inground	n/a	$2,699.00 as of 11/04/2026 23:17 PST - Details
Propane gas	400000	Inground	n/a	$5,099.00 as of 11/04/2026 23:17 PST - Details

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