10 Best pool heaters for large pools of 2025

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Best Choice

1

VARMINPOOL
VARMINPOOL Above Ground Pool 16000 BTU Swimming Pool Heater for Pools up to 5400 Gallons, Smart Inverter Pool Heat Pump, WiFi Control Electirc Pool Heater, Titanium Heat Exchanger, 110V
Main highlights

Efficient Pool Heating with Smart Inverter
The pool heat pump uses smart inverter technology for precise temperature control and energy savings up to 40%.

Ideal for Medium-Sized Above Ground Pools
Perfect for pools up to 5,400 gallons or 14 feet in diameter, ensuring optimal performance and comfort.

Remote Control Convenience
Customers praise the easy-to-use WiFi functionality for remote operation and monitoring through a mobile app.
Key specs
- Customer Reviews:5.0 out of 5 stars
- Manufacturer:VARMINPOOL
- Item Model Number:KSPF-005L3R1A2
- ASIN:B0DK222Z1V
- Item Weight:59 pounds
9.8

Exceptional

Our Rating
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Value for Money

2

VARMINPOOL

VARMINPOOL 16000BTU Electric Pool Heater for Above Ground Pool, Pool Heat Pump for 5400 Gallons, WiFi Smart Control, Titanium Heat Exchanger, 110V
9.7

Exceptional

Our Rating
3

Intex
Intex 47 Inch x 47 Inch Solar Pool Heater Mat for 8,000 Gallon Above Ground Pool with Hose Attachment and Bypass Valve, Black (2 Pack)
Main highlights

Solar Technology Heating
Above ground pool heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees Fahrenheit.

Ideal for Small to Medium Pools
Suitable for above ground pools with water capacities of up to 8,000 gallons, making it adaptable and cost-effective for various pool sizes.

Ease of Installation
Customers praise the easy installation process and clear instructions, noting that the mats lay flat and work effectively right away.
9.4

Excellent

Our Rating

8.7
Temperature control

8.0
Durability

8.0
Easy installation
4

Intex
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
Main highlights

Solar Heating Efficiency
Increases pool water temperature by 5 to 9 degrees using solar energy.

Ideal for Above-Ground Pools
Perfect for above-ground pools up to 8,000 gallons, easy installation.

Customer Praised Installation
Installation is simple and quick, enhancing user convenience.
9.2

Excellent

Our Rating

8.0
Easy installation

8.0
lasts a long time

8.0
worth the money
5

Lakkzoom
Immersion Water Heater,with 304 Stainless Steel Cover Intelligent Temperature Control and UL Certification Portable Bucket Heater Heat 5 Gallons of Water in Minutes
Main highlights

Safe and Efficient Heating
1500W power heats 5 gallons quickly; UL certified for safety.

Versatile Use Cases
Ideal for RVs, small baths, emergency kits, and travel.

Reliable Temperature Control
Praised for accurate temperature control and easy operation.
Key specs
- wattage:1500W
- special features:UL certified, portable
- maximum temperature:75°C (165°F)
- voltage:110V AC
- heat output:N/A
9.1

Excellent

Our Rating

9.7
Simple to use

9.3
Heat transferring

8.2
Temperature control
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6

PARAROSE

Immersion Water Heater, 1500W Portable Electric 304 Stainless Heaters with Guard Cover, Water Heater for Pool Bathtub -Heat 5 Gallons Water in Minutes

28% Off
9.0

Excellent

Our Rating
7

Solar Sun Rings
SSR1 Solar Sun Ring Swimming Pool Spa Heater 21K BTU Cover Heating SSR-1

15% Off
Main highlights

Solar Energy Heating
Composed of UV-resistant vinyl, it converts solar energy into heat, providing eco-friendly and cost-effective pool heating.

Versatile Use
Ideal for above or inground pools, hot tubs, and spas, efficiently retaining heat and reducing evaporation.

Ease of Use
Customers appreciate the ease of inflation and compatibility with automatic pool cleaners.
8.9

Very Good

Our Rating

9.1
Easy installation

8.4
Simple to take off

8.0
Simple to use
8

VINGLI
VINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming Pool Heater Contour Pool Heating Coil (1 Pack)
Main highlights

Easy Installation Benefit
Quick and simple setup with solid, leak-free hose connections.

Ideal for Multiple Heaters
Best used with three or more units for optimal heating.

Customer Praised Heating Efficiency
Highly effective in heating even large pools with minimal units.
8.8

Very Good

Our Rating

8.7
Heat transferring

8.0
Easy installation

8.0
Vacuum strength
9

GAME
GAME 4721-BB SolarPRO Curve Solar Pool Heater, Made for Intex & Bestway Above-Ground and Inground Pools, Includes Intex Adapters, 2 Hoses & Clamps
Main highlights

Efficient Temperature Increase
Increases pool temperature by 5 degrees in 4 days for 8,000-gallon pools.

Versatile Pool Compatibility
Designed for above-ground and most inground pools, including Intex and Bestway.

Easy Installation
Praised for ease of installation, taking about 20 minutes without extra purchases.
8.7

Very Good

Our Rating

8.0
Easy to build

8.0
Easy installation

8.0
worth the money
10

Horizon
Solar Pool Heater Dome – Black SunCOIL for Above Ground & Intex Pools – Free Connection & Diverter Valve Kit – Fast & Efficient Sun-Powered Heating – 5-Year Warranty
Main highlights

Ideal for Pool Heating
Clear Dome and Black Coil absorb sun's heat energy to effectively warm pool water. Includes diverter valve kit for easy installation and water flow control.

Perfect for Above Ground Pools
Designed for above ground and soft-sided Intex pools. Multiple units can be installed for larger pools or increased heating.

Effective Temperature Increase
Customers appreciate the significant temperature rise, with reports of 5-10 degree increases. Effective in maintaining warmer pool temperatures during sunny periods.
8.6

Very Good

Our Rating

9.3
Temperature control

8.0
Easy installation

8.0
worth the money

10 Best pool heaters for large pools of 2025

1

VARMINPOOL Above Ground Pool 16000 BTU Swimming Pool Heater for Pools up to 5400 Gallons, Smart Inverter Pool Heat Pump, WiFi Control Electirc Pool Heater, Titanium Heat Exchanger, 110V

How do we rank?

How do we rank?

Analyzing top stores

2

VARMINPOOL 16000BTU Electric Pool Heater for Above Ground Pool, Pool Heat Pump for 5400 Gallons, WiFi Smart Control, Titanium Heat Exchanger, 110V

3

Intex 47 Inch x 47 Inch Solar Pool Heater Mat for 8,000 Gallon Above Ground Pool with Hose Attachment and Bypass Valve, Black (2 Pack)

8.7

8.0

8.0

4

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

8.0

8.0

8.0

5

Immersion Water Heater,with 304 Stainless Steel Cover Intelligent Temperature Control and UL Certification Portable Bucket Heater Heat 5 Gallons of Water in Minutes

9.7

9.3

8.2

6

Immersion Water Heater, 1500W Portable Electric 304 Stainless Heaters with Guard Cover, Water Heater for Pool Bathtub -Heat 5 Gallons Water in Minutes

7

SSR1 Solar Sun Ring Swimming Pool Spa Heater 21K BTU Cover Heating SSR-1

9.1

8.4

8.0

8

VINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming Pool Heater Contour Pool Heating Coil (1 Pack)

8.7

8.0

8.0

9

GAME 4721-BB SolarPRO Curve Solar Pool Heater, Made for Intex & Bestway Above-Ground and Inground Pools, Includes Intex Adapters, 2 Hoses & Clamps

8.0

8.0

8.0

10

Solar Pool Heater Dome – Black SunCOIL for Above Ground & Intex Pools – Free Connection & Diverter Valve Kit – Fast & Efficient Sun-Powered Heating – 5-Year Warranty

9.3

8.0

8.0

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