11 best energy-efficient pool heaters of 2025

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The 11 best energy-efficient pool heaters of 2025

Updated: May, 09 2025

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In this October 2025 review, we explore the 11 best energy-efficient pool heaters options available. Our expert analysis, led by Antonio Smitham, ensures you find the perfect fit.

Aquastrong 75,000 BTU Inverter Swimming Pool Heat Pump, 21,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 220V

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best energy-efficient pool heaters

Aquastrong 75,000 BTU Inverter Swimming Pool Heat Pump, 21,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 220V

4.3

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30,000 BTU Pool Heat Pump Up to 8000 Gallons, WIFI Capable, Pool Heater for Above Ground Pool, Smart Inverter, Electric Pool Heaters for Above and In Ground Pools and Spas

3.5

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Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons

3.3

$1,869.00

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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

4.3

$2,499.99

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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

4.6

$539.29

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WiFi Control Smart Electric Pool Heater, 30000 BTU, Pool Heat Pump for Above Ground and Inground Pool up to 8000 Gallons, Smart Inverter with Titanium Heat Exchanger, 120V

$1,599.99

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Upgrade Pool Heater-11KW 220V Thermostat Electric Swimming Pool Heater,Digital Touch Display Energy Efficient Pool Water Heater for Spa Relaxation, Bathtubs and Above Ground in-Ground Pools-11KW 220V

3.7

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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

3.8

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FibroPool Swimming Pool Heat Pump - FH135 35,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed

4.4

$1,999.99

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VEVOR Electric Pool Heat Pump, 35830 BTU, Pool Heaters for 6605-13209GAL Above and In Ground Pools, Low Noise, Heating and Cooling Highly Efficient & Energy-Saving Pool Water Heater AC208-230V 60Hz

$1,179.99

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FibroPool Swimming Pool Heat Pump – Full Inverter Electric Heater – FH285-i for Pools up to 17,500 Gallons – for Above Ground and In Ground Pools and Spas – High Efficiency, No Gas or Propane Needed

3.8

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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.