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The 9 best high-capacity pool heaters of 2025

The 9 best high-capacity pool heaters of 2025

Updated: May, 08 2025

Antonio Smitham
Antonio Smitham

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In this October 2025 review, we explore the 9 best high-capacity pool heaters options available. Our expert analysis, led by Antonio Smitham, ensures you find the perfect fit.

Aquastrong 35,000 BTU Inverter Swimming Pool Heat Pump, 9,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 120V
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The 9 best high-capacity pool heaters of 2025

best high-capacity pool heaters

Aquastrong 35,000 BTU Inverter Swimming Pool Heat Pump, 9,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 120V
Aquastrong 35,000 BTU Inverter Swimming Pool Heat Pump, 9,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 120V

4.3

$1,298.99
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FibroPool Swimming Pool Heat Pump - FH270 70,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed
FibroPool Swimming Pool Heat Pump - FH270 70,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed

4.3

$2,499.99
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Electric Pool Heater Pump 5000 Gallon 120v Pool Heaters for Above Ground Pools 16000 BTU Swimming Pool Heat Pump WiFi Control Heat Or Cool Spa Heater Pump
Electric Pool Heater Pump 5000 Gallon 120v Pool Heaters for Above Ground Pools 16000 BTU Swimming Pool Heat Pump WiFi Control Heat Or Cool Spa Heater Pump

5

$569.99
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Swimming Pool Heater EU50, Max 16184btu Electric Pool Heat Pumps for Above Ground Pools up to 5000Gallons, Titanium Heat Exchanger, 5.62 COP, High Efficient, 110V-120V
Swimming Pool Heater EU50, Max 16184btu Electric Pool Heat Pumps for Above Ground Pools up to 5000Gallons, Titanium Heat Exchanger, 5.62 COP, High Efficient, 110V-120V

4.6

$539.29
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16184 BTU Pool Heater, for 6000 Gallons Above Ground Pools,Swimming Pool Heaters,120V/60Hz with Digital Display Multi-Protection
16184 BTU Pool Heater, for 6000 Gallons Above Ground Pools,Swimming Pool Heaters,120V/60Hz with Digital Display Multi-Protection

5

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Immersion Water Heater Electric, 2000W Portable Hot Water Heater with 304 S S Guard & LCD Thermometer, Submersible Water Heater Heats up 5 Gallons of Water in Minutes for Bucket Bathtub Small Pool
Immersion Water Heater Electric, 2000W Portable Hot Water Heater with 304 S S Guard & LCD Thermometer, Submersible Water Heater Heats up 5 Gallons of Water in Minutes for Bucket Bathtub Small Pool

4.3

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Above Ground Pool Heater EU50, Max 16184BTU Up to 5000gallons Electric Swimming Pool Heat Pumps, Titanium Heat Exchanger, 5.62 COP, 110V/120V, Fits 8/11/15 Foot Pools Heating Pool Warmer
Above Ground Pool Heater EU50, Max 16184BTU Up to 5000gallons Electric Swimming Pool Heat Pumps, Titanium Heat Exchanger, 5.62 COP, 110V/120V, Fits 8/11/15 Foot Pools Heating Pool Warmer

5

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HASTER 2000W Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes (Black)
HASTER 2000W Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes (Black)

3.8

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Swimming Pool Heat Pump, Electric Pool Heater for Above Ground Pool up to 5000 Gallons, Max 16184 BTU, 5.62 COP, Titanium Heat Exchanger, 110V-120V, EU50
Swimming Pool Heat Pump, Electric Pool Heater for Above Ground Pool up to 5000 Gallons, Max 16184 BTU, 5.62 COP, Titanium Heat Exchanger, 110V-120V, EU50

3.8

$539.99
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4.4

36 ratings

Antonio Smitham
Antonio Smitham

contributing writer

I'm passionate about making the world a better place. With over a decade of experience working in a number of industries, I've been fortunate enough to meet people who care about the world, and whose actions make a difference. Whether it's volunteering with organizations that create environmental changes, or working with companies that are committed to making ethical decisions, I'm motivated to be a part of the change. Contributing Writer.

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