Best Swimming Pool Heaters(Updated April 2025)

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Product image of 2000W Immersion Water Heater,Portable Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Pool Bathtub,UL Listed

2000W Immersion Water Heater,Portable Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Pool Bathtub,UL Listed

(665)
$22.99$27.99
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Buyer Rating10
Heat level
Value for money
Ease of use
Durability

Bought by 138 people today

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Product image of Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat for 8,000 Gallon Above Ground Swimming Pool with Hose Attachment and Adaptors, Black

Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat for 8,000 Gallon Above Ground Swimming Pool with Hose Attachment and Adaptors, Black

(4.68K)
$27.80
Buyer Rating9.7
Ease of installation

Bought by 127 people today

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Product image of Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

(519)
$2,969.00$3,299.00
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Buyer Rating9.5
Functionality
Heat level
Ease of installation
Energy efficiency

Bought by 256 people today

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Product image of Immersion Water Heater 2Pack, Portable Electric 304 Stainless Heaters with Guard Cover - LCD Thermometer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor

Immersion Water Heater 2Pack, Portable Electric 304 Stainless Heaters with Guard Cover - LCD Thermometer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor

(45)
$42.98$49.98
Buyer Rating9.3
Functionality
Heat retention
Ease of use

Bought by 137 people today

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Product image of Hot Tub Heater, Bathtub Heater, Spa Heater, Immersion Water Heater: Portable Hot Tub Heater with Cast Aluminum, Digital Display & Temperature Sensor for Fast, Safe Heating

Hot Tub Heater, Bathtub Heater, Spa Heater, Immersion Water Heater: Portable Hot Tub Heater with Cast Aluminum, Digital Display & Temperature Sensor for Fast, Safe Heating

(3)
$69.99
Buyer Rating9

Bought by 163 people today

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Swimming Pool Heaters Buying Guide

Explore top pool heaters for varying needs and budgets, optimize heating.