6 Best Above Ground Pool Heaters

Updated February 2025

Top Choice

Intex Solar Cover for 18ft Diameter Easy Set and Frame Pools

Intex Recreation

9.9

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1500W Immersion Heater, Gesail UL-Listed Bucket Water Heater with Heating Element, Submersible Heater

9.5

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Aqua Flo Heater, Gecko in.therm, 14-1/2" x 2", 230v, 4.0kW, in.xm

Gecko Alliance (FKA Aqua-Flo)

9.2

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American Standard 9075.120 Safe-T-Heater

American Standard

8.9

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FibroPool FH120 Above Ground Swimming Pool Heat Pump

8.7

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Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts

8.2

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