10 Best Solar Pool Heaters 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 918 products, scanning 4590 reviews, spending more than 36 hours of research and speaking with our test users, we think the SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet is the one of the Best Solar Pool Heater on the market.

# Image Name Brand Price
1
⭐Best Choice
SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet
SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet, Black Check price SunHeater $$$$$ Check price
2 SunHeater Pool Heating System Two 2’ x 20’ Panels SunHeater Pool Heating System Two 2’ x 20’ Panels – Solar Heater for Inground and Aboveground Made of Durable Polypropylene, Raises Temperature, 6-10°F, S240U Check price SunHeater $$$$$ Check price
3
💲Best value for the money
SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors
SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors (3 Pack) Check price Solar Sun Rings $$$$$ Check price
4 Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series | Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series | Heat Retaining Blanket for In-Ground and Above-Ground Rectangular Swimming Pools | Use Sun to Heat Pool | Bubble-Side Down Check price Sun2Solar $$$$$ Check price
5 Goplus Solar Dome Swimming Pool Heater Above Ground Goplus Solar Dome Swimming Pool Heater Above Ground, Pool Solar Heater, Sun Heater Check price Goplus $$$$$ Check price
6 Smart Pool S601 Pool Solar Heaters Smart Pool S601 Pool Solar Heaters, Pack of 1, Black Check price SmartPool $$$$$ Check price
7 XtremepowerUS Swimming Pool DIY Solar Panel In-Ground/Above-Ground Heating System 4' XtremepowerUS Swimming Pool DIY Solar Panel In-Ground/Above-Ground Heating System 4' ft x 20' ft Spa Pool Heater Check price XtremepowerUS $$$$$ Check price
8 SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors Check price Solar Sun Rings $$$$$ Check price
9 Solar Sun Rings SSR1 Swimming Pool Spa Heater 21K BTU Solar Sun Rings SSR1 Swimming Pool Spa Heater 21K BTU Cover Heating SSR-1 Check price Solar Sun Rings $$$$$ Check price
10
👑Premium Pick
SOLARPOOLSUPPLY SwimEasy High Performance DIY Solar Pool Heater Kit |
SOLARPOOLSUPPLY SwimEasy High Performance DIY Solar Pool Heater Kit | Made in USA | 15-20 Year Life Expectancy - (4) 4' x 12' / 2" I.D. Header Check price SolarPoolSupply $$$$$ Check price

SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet – Best Overall Solar Pool Heater

SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet
  • Simple DIY installation; for in ground or above ground pools
  • Installs on roof, rack, ground or fence
  • Patented web design for maximum exposure to sun's rays
  • Uses existing pool pump
  • Raises pool water temperature 6-10 degrees F
  • Power Source Type: Manual
  • MADE IN USA

SunHeater Pool Heating System Two 2’ x 20’ Panels

SunHeater Pool Heating System Two 2’ x 20’ Panels
  • SOLAR POOL HEATER – The SunHeater Solar Pool Heating System allows you to capture free heat from the sun’s rays to effectively raise your pool water temperature. It’s an efficient and cost-effective method to heat your pool.
  • EXTENDS POOL SEASON – Your pool’s pump pushes the water through the panel’s many tubes where it’s warmed by the sun and then returned into the pool. This system can raise the water temperature 6-10 degrees F and extend your pool season by weeks!
  • EASY TO INSTALL – This pool solar heater uses your existing filtration system and has 4 end caps, 2 elbows for flex hose connection, 6 stainless steel hose clamps, 1 roll of Teflon tape, and rubber connector hoses.
  • TUBE ON WEB DESIGN – The tube-web-tube design allows the SunHeater to capture the most sun possible, maximizing square footage. It offers rigid flexibility, allowing panels to expand and contract with changing temps, giving it the strength needed to last.
  • DIMENSIONS – The SunHeater Solar Pool Heater includes two 2’ x 20’ panels, made of durable polypropylene. It’s a universal system that works for pools up to 31’ round or 18’ x 36’.

SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors – Best Budget Solar Pool Heater

SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors
  • HEAT YOUR POOL - Solar Sun Rings are passive solar swimming pool heating devices, constructed from two layers of U.V. resistant vinyl. The upper clear layer directs the suns rays onto the bottom blue layer which absorbs about 50% of the sunlight, converting it to heat. The remaining sunlight filters through the ring into your pool water.
  • WARMING DISCS - The majority of heat loss from a pool comes from the water surface at night. Solar Sun Rings do not cover the entire surface of your pool; therefore it allows heat to escape. To help keep the warm water in your pool at night we recommend you use additional insulation such as solar fish or a solar blanket.
  • WHAT'S INCLUDED - Each unit contains 6 magnets that are used to attach the rings together. Do not over inflate. Do not use as a flotation device.
  • SOLAR ACTIVATED - Use the Solar Sun Rings to provide heat to your swimming pool from the sun. Swim comfortably without wasting energy
  • PLEASE NOTE - These Solar Sun Rings are NOT a solar cover or a replacement for a solar cover. These are floating disc heating devices.

Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series |

Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series |
  • ATTRACTIVE BLUE DESIGN - Sun2Solar solar blankets are made from a film of thousands of tiny bubbles, which work together to collect and retain heat both at night and on those chilly days. The blue color provides an appealing look while also using the sun’s rays to help warm your swimming pool.
  • MINIMIZE WATER EVAPORATION - The use of a solar cover helps in preventing up to 95% of pool water evaporation. When not enjoying a refreshing swim, keeping your pool covered lessens the vast amount of water lost into the environment. Fill up your swimming pool less and enjoy it more!
  • JUMP INTO WARMTH - Show friends and family your bravery by jumping in without the standard toe dip. Enter the swimming pool confidently knowing the Sun2Solar solar cover has kept the water warm just for you. It’s easy to put on and take off allowing more time for showing off.
  • HEAT RETENTION - After everyone has called it a day with wrinkled fingers from too much fun in the sun, make sure to place this solar cover back atop the water. Don’t lose all of that warmth generated throughout the day when the sun sets. Assure your pool’s temperature does not drop too much by protecting it at night through use of a solar blanket.
  • TRIM TO FIT - Your pool may be uniquely shaped and getting the right fit is as easy as finding a marker and sharp pair of scissors. Have the bubbles facing down to the water and trace a line on the cover showing where you should cut off the additional material. Do so confidently knowing this won’t affect the manufacturer’s warranty---they understand.

Goplus Solar Dome Swimming Pool Heater Above Ground

Goplus Solar Dome Swimming Pool Heater Above Ground
  • ☀️ Heat your pool in the environmentally friendly way, No electricity or gas connections
  • ☀️ Extend your swimming season with warm water and heat your pool to a warm, comfortable temperature
  • ☀️ Space saving and aesthetically pleasing when compared to solar panels
  • ☀️ A protective cover is included to protect the dome when not in use
  • ☀️ Solar powered swimming pool heater, Connects to 1.5 inch hoses

Smart Pool S601 Pool Solar Heaters

Smart Pool S601 Pool Solar Heaters
  • Keep your pool warm with a polypropylene heat collector. Direct Flow System - One Header Hole for Each Heating Tube
  • Solar heater features 80 square feet of solar panels
  • Pool accessory is perfect for heating any in-ground swimming pool
  • Panel array measures 4 feet wide x 20 feet long. Raises Pool Water Temperature 6-10°F (4-6°C)
  • Installation kit required (Sold Separately)

XtremepowerUS Swimming Pool DIY Solar Panel In-Ground/Above-Ground Heating System 4'

XtremepowerUS Swimming Pool DIY Solar Panel In-Ground/Above-Ground Heating System 4'
  • Premium Solar Pool Heater - The XtremepowerUS Solar Pool Heating System allows you to capture free heat from the sun’s rays to effectively raise your pool water temperature. It’s an efficient and cost-effective method to heat your pool!!
  • Superior Material - Made from precompounded polypropylene, a process which increases the materials resistance to UV light (lengthens service life substantially)
  • Help Extend Pool Season - The pool pump pushes the water through the panel’s many tubes where it’s warmed by the sun and then returned into the pool. This system can raise the water temperature 6-10 degrees F and extend your pool season by weeks! (pls note pool pump not included)
  • Tube on Web Design - The tube-web-tube design allows the sun heat to capture the most sun possible, maximizing square footage. It offers rigid flexibility, allowing panels to expand and contract with changing temps, giving it the strength needed to last
  • Dimension - The Solar Pool Heater include 4' ft x 20' ft panel, made of durable polypropylene (Solar heater features 80 square feet of solar panels) *Installation kit required (Sold Separately)*

SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors

SSR SSRA-100 Solar Sun Rings Pool Water Heater w/ Anchors
  • Solar Sun Rings are passive solar swimming pool heating devices, constructed from two layers of UV resistant vinyl
  • The upper clear layer directs the suns rays onto the bottom blue layer which absorbs about half of the sunlight, converting it to heat
  • The remaining sunlight filters through the ring into your pool water
  • Do not over inflate or use as a flotation device
  • Coverage: Solar Sun Rings are warrantied to be clear of manufacturing defects for two years and is limited to materials and workmanship.

Solar Sun Rings SSR1 Swimming Pool Spa Heater 21K BTU

Solar Sun Rings SSR1 Swimming Pool Spa Heater 21K BTU
  • Can be easily placed and removed by one person within a few minutes
  • Can be flipped over to decrease water temperature if desired
  • Center section is now welded to the bottom of the outer ring, increasing the heat output
  • Magnets on the corners attract and keep other rings together
  • Grommets on the inner grid allow for easy drainage of excess water

SOLARPOOLSUPPLY SwimEasy High Performance DIY Solar Pool Heater Kit | – Premium Pick

SOLARPOOLSUPPLY SwimEasy High Performance DIY Solar Pool Heater Kit |
  • PREMIUM QUALITY: Manufactured from high-grade materials proven to last in all types of weather and withstand the harsh conditions of a rooftop for up to 15-20 years. Each panel is put up against more than 40 quality control inspections throughout the entire manufacturing process to ensure the final product.
  • MANUFACTURED TO LAST: Made from precompounded polypropylene, significantly increasing the materials resistance to UV light and lengthening service life substantially. This manufacturing process eliminates the inherent quality issues that plague cheaply manufactured products which typically see a lifespan of only 1-2 years (more in description).
  • HIGHEST PERFORMING DESIGN: Constructed in a tube-and-web design which allows for normal expansion and contraction as the panel heats and cools, extending service life. A direct, metered manifold delivers a balanced flow through the collector and prevents hot-spots. These panels must be installed vertically for optimal performance and drainage.
  • ASSURANCE GUARANTEED: Each panel is guaranteed to be free from manufacturer defects, withstand the effects of freezing weather and will not fail from corrosion or scale deposits in the walls of its water passages (5-year full / 10-year limited).
  • DO IT YOURSELF: Includes everything you need to mount the solar panels to a roof or rack, secure with hold down strapping, make connections to and from each solar panel, complete water connections to the system's supply and return plumbing lines, and the components necessary to allow gravity drainage of the panels and piping.

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