250,000 BTU Pool Heaters and Up

3 250,000 BTU pool heaters and up from Raypak, Pentair and Hayward. Prices run $3,699 to $4,099.

Pool heaters whose title states a heating output of 250,000 BTU or more.

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

Raypak

Natural gas, 300000 Heating output, Natural gas

+Delivers 300000 BTU for large pool heating

+Runs on natural gas fuel

+Polymer header and cupronickel tubing

$3,699.00-12%List: ~~$4,207.00~~

as of 11/04/2026 00:49 PST - Details

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.

Pentair

300000 Heating output

+Rated at 300,000 BTU for faster heating of big pools

$4,099.99

as of 11/04/2026 00:37 PST - Details

Compare specs

Heater type	Heating output	Fuel	Spec score	Price
Natural gas	300000	Natural gas	n/a	$3,699.00 as of 11/04/2026 00:49 PST - Details
Propane gas	300000	Propane	n/a	No current price
	300000		n/a	$4,099.99 as of 11/04/2026 00:37 PST - Details

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