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Pool Heaters

5 pool heaters from Raypak, Hayward, Pentair and more. Most cost $300 to $5,855, and half cost less than $4,396.

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

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 - Details
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 - 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 gas42
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.