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The 8 Best pool solar heaters of 2025

Are you trying to find pool solar heaters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling pool solar heaters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 38 pool solar heaters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best pool solar heaters you can buy today

No. 1
Solar Sun Rings 60 Inch Above Ground or Inground Swimming Pool Hot Tub Spa Heating Accessory Circular Heater Solar Cover, Blue (Cover Only)
  • Solar Sun Ring is composed of two sheets of vinyl that resist UV and convert solar energy into heat, adding free heat to your pool with only the power of the sun
  • Solar blanket cover retains heat at night and reduces evaporation of water and chemicals is compatible with automatic pool cleaners and is not affected by salt or chlorine systems
  • Water anchors add stability and weight for storms and windy conditions while the ease of cleaning and storage ensures hassle-free maintenance, which is easy to inflate
  • Store pool solar cover away from direct sunlight when not in the water so the item can withstand high-quality use for lasting time
  • Blue circular solar pool heater covers 50 square feet of surface area; Measures 60 inches long, 60 inches wide, and 2 inches tall and weighs 2.5 pounds
No. 2
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
  • Solar heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees depending on the weather
  • Features an 11-square-foot surface to absorb the sun's rays to heat up above-ground pools; Dimensions (L x W): 47.25 x 47.25 inches (flat)
  • Simple and economical to use, compatible with filter pumps with up to 1/3 HP or a pump flow rate less than 2,000 GPH; Weight: 6.41 pounds
  • Includes a 1.25-inch hose attachment point, a bypass valve, 1 adaptor A, and 1 adaptor B for a 1.50-inch hose connection
  • Constructed of heavy-duty UV stabilized PVC; Suitable for above-ground pools up to 8000 gallons; Folds for compact winter storage
SaleNo. 3
BigXwell Solar Pool Cover, Blue 16-mil 12 x 24 Foot Rectangle Solar Blanket for In-Ground Pools, 1600 Series Heavy-Duty Insulating Pool Heater Covers for Swimmer
  • Harness the Power of Sun:The 16 mil solar pool cover with thousands of thermal bubbles can trap the heat from the sun.Effectively utilizes sunlight to naturally heat your swimming pool, And hold the temperature on cloudy days or at chilly nights.Reducing reliance on expensive heaters and limiting energy expenditure.
  • Maximize Heat Retention: our pool cover traps and maintains the heat within your pool. Enjoy a warm swim, regardless of the weather condition! Jump into the pool with confidence, Let your friends know that BigXwell keeps the warm for you!
  • Protect Your Pool: Secure your pool from dust, leaves, debris, and animal. keeping your pool cleaner for longer and cutting down maintenance costs.
  • Reduces Water & Chemical Evaporation: The solar pool cover creates a barrier that minimizes water and chemical evaporation can helps you reduces pool water evaporation by 95 percent, so you don't need to add water again every time you swim.
  • High-quality material, promising longevity even under harsh weather conditions. It's lightweight and easy to install or remove.
No. 4
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 Black
  • HEAT YOUR POOL FOR FREE – The SunHeater Solar Pool Heating System uses your existing pool pump to circulate water through specialized solar panels, where it is warmed by the sun.
  • DESIGNED FOR ABOVE GROUND POOLS – Kit includes two (2) 2-ft x 20-ft SunHeater solar panels; for pools up to 24-ft round or 12-ft x 24-ft oval/rectangle.
  • EXTEND YOUR POOL SEASON – Raise your pool water temperature up to 10 degrees F and enjoy a longer, more comfortable swim season!
  • SIMPLE DIY INSTALLATION – New & improved water connections include universal adaptors for 1-1/4” or 1-1/2” cuffed pool hose. Additional mounting kits or return plumbing may be required.
  • MADE IN THE USA – Made from durable UV-stabilized polypropylene and backed by a 5-year manufacturer’s warranty (requires product registration).
No. 5
SunHeater S120U Universal Sun Heater, 2 Feet 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
  • Additional kits or plumbing may be required.
No. 6
Solar Sun Rings UV Resistant Above Ground Inground Swimming Pool Hot Tub Spa Heating Accessory Circular Heater Solar Cover, Blue (3 Pack)
  • ABSORBS SUNLIGHT: Solar Sun Ring is composed of two sheets of UV-resistant vinyl that convert solar energy into heat, adding free heat to your pool with only the power of the sun
  • RETAINS HEAT AND WATER CHEMISTRY: This solar blanket cover retains heat at night and reduces evaporation of water and chemicals
  • ALL WEATHER: Water anchors add stability and weight for storms and windy conditions
  • SALT WATER OR CHLORINE: Compatible with automatic pool cleaners and not affected by salt or chlorine systems
  • EAST TO CLEAN: Easy to clean and store; when not in the water, do not store in direct sunlight as the product can burn whatever items are below it; Color: Sunburst-blue; Dimensions (W x H): 60 x 2 inches
No. 8
SunHeater Pool Solar Blanket - Heavy Duty Rectangular Pool Solar Cover with Bubbles - Heat Transfer Solar Pool Heater for In-Ground Swimming Pools - Durable 12 Mil Thick Polyethylene - 16' x 32' Feet
  • Soak Up The Sun - Heat your pool the natural way with this blue solar blanket! When placed on top of the pool with the bubbles facing down, it traps the warmth from the sun and transfers it to the water.
  • Keep Refills To A Minimum - Using this above ground pool heater can help minimize evaporation by up to 95%. This translates to significant savings since you don't have to add more water as often.
  • Cut Down Cleaning Time & Costs - Our pool solar cover also helps keep leaves, dirt, and debris at bay. Cut down time spent on skimming and fishing out impurities and save on cleaning products!
  • Customize According To Your Needs - This 16x32 feet solar pool cover is suitable for rectangular in-ground and above-ground pools. It can also be trimmed to fit square, round, and kidney-shaped pools.
  • Storage Made Convenient - Despite its large dimensions, this 12 mil pool solar heater can be easily folded down to a compact size. Simply store it away in your shed or on a shelf when it's not in use.
No. 9
Wesiti 5 ft Solar Pool Cover for Pool Heating 16 Mil Solar Cover Ground Inground Pool Heater Blankets Pool Hot Tub Spa Covers for Swimming Pools Heating Accessory (6 Pcs)
  • Heat Retaining: this solar pool cover can be a good aid to maintain the heat of your swimming pool, which can also effectively prevent the leaf and other stains from falling in the water, keeping your water clean
  • Package Includes: you will receive 6 pieces of swimming pool solar covers, which measures about 5 ft/ 1.5 m in diameter, reliable and sturdy, quality and firm, not easy to break or deform, serving you for a long time
  • Using Method: please let the bulb side be close to the water, and then the solar cover will float on water well, which can play a good role in maintaining heat when the coverage space more than four out of five, please calculate the size information before purchase
  • Wide Range of Application: this ground pool solar cover can be widely applied to most swimming pools, like irregular swimming pool, swimming pool on the ground, hot tub and circular swimming pool
  • Multiple Purpose of Usage: this above ground pool cover can not only keep warm, but also can decrease the evaporation of your swimming pool, which is water saving, offering you a good using experience
SaleNo. 10
Sunheater Liquid Solar Blanket for Pools, Cover Free Liquid Heat Shield, Non-Toxic and Safe for Swimmers, Reduces Heat Loss, Chemical Loss and Water Evaporation, New and Improved Formula, 32 oz Bottle
  • LIQUID HEAT SHIELD – Sunheater Liquid Heat Shield helps your pool retain heat by forming an ultra-thin, invisible barrier on top of your pool water that reduces evaporation, the main cause of pool water heat loss.
  • SAFE FOR SWIMMERS – The non-toxic, odor-free formula is 100% safe for both swimmers and pool equipment.
  • EXTENDS SWIMMING SEASON – Sunheater Liquid Heat Shield is better than a solar blanket! There’s no messing around with cumbersome blankets and reels, but it can still extend your pool season by keeping the water warmer for longer.
  • SAVES CHEMICALS – Not only does this liquid solar blanket for pools retain heat, but the reduced evaporation also helps reduce chemical loss.
  • EASY TO USE – Simply add the amount designated for your pool using the easy-to-read markings on the bottle. Use just 4 oz for every 20,000 gallons of water.
SaleNo. 11
GoFloats Inflatable Solar Pool Heaters 3 Pack or 12 Pack - Affordable Pool Heating and Insulation
  • SOLAR HEATING: The inflatable heaters harness the sun's energy to heat your pool during the day and keep it insulated at night; Use multiple heaters to cover at least 80% of your pool's surface for optimal results
  • SAVE MONEY: Includes 3 inflatable heaters; Complements existing gas and electric heaters to save you time and money with faster heating; Also cheaper and less cumbersome than permanent retractable covers
  • MINIMALISTIC DESIGN: Solid dark blue color provides a clean, modern look to any backyard pool
  • RECOMMENDED AMOUNT: Each solar heater is 5 ft x 5 ft and covers 25 square feet of your pool surface; To roughly calculate the number of rings for 80% coverage, take your pool's sq. ft. surface area and divide by 30
  • GREATER COVERAGE: The perimeter is thicker than other comparable products, minimizing the potential for overlapping and increasing pool surface coverage
No. 12
YiViKPE Curve Solar Pool Heater, Made for Above-Ground and Inground Pools, Includes Two Hoses & Clamps, Two Adapters
  • 🏊Making the Pool Warmer: The VIYIKPE Curve Solar Pool Heater has been designed for above-ground and most inground pools. It can raise the pool temperature by 5 degrees in about 3-5 days for the pool with 8,000-gallon.
  • 🏊High Quality: Our products are blow molding, so the quality has been better controlled, coupled with high-quality plastic materials.
  • 🏊Strenghtened Legs: The material of the support leg is aluminum, and we have carried out a reinforced design to ensure that the solar heater will not be crushed when it is filled with water.
  • 🏊 Perfect Curve Design: The curved surface design can increase the contact area, absorb more solar energy, and thus better raise the water temperature. A transparent plastic plate on the surface of the solar heater can retain heat and improve the working efficiency of the product.
  • 🏊 12 months after-sales service: No matter what happens to cause damage to the swimming pool heater, please contact us, we are always waiting for you.
SaleNo. 13
Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption
30,253 Consomer Reviews
Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption
  • EASY TO USE – Simply lay the Solar Pool Cover flat on top of your INTEX pool and let the air bubbles absorb and transfer sun heat into the pool water
  • PROTECTS POOL FROM DEBRIS – Intended for a 18-foot round pool, this pool cover will minimize debris, leaves, and trash from getting into your pool; while also reducing consumption of chemicals
  • EFFICIENT – The Solar Pool Cover is the most efficient type of pool cover; the Solar Pool Cover insulates pool water and reduces water evaporation by 95%
  • SAFETY, QUALITY and VALUE – Intex designs, builds, and tests all its products to the highest standards with safety the first order of business; our affordable and innovative products are built to last
  • CUSTOMER SATISFACTION – Our dedicated customer service team is available via phone, chat, or email to help with any questions you may have on use, installation, or service needs
SaleNo. 14
Pool Liquid Solar Blanket with Innovative Heat Lock | The Liquid Solar Blanket for Pools for UV Protectant and Pool Liquid Heat Shield to Reduce Chemical Loss | AquaDoc Pool Chemicals
  • Innovative Heat Retention: AquaDoc's Pool Heat Lock forms a transparent, ultra-thin layer on the water's surface, acting as a barrier to minimize heat loss and maintain a comfortable swimming temperature. Heat Lock is designed to extend your pool season with special heat saving abilities.
  • Conserves Water: Our liquid solar blanket reduces evaporation, helping you conserve water and save on pool refill costs.
  • Safe for Swimming, Eco-friendly Formula: AquaDoc's Pool Heat Lock is a non-toxic, biodegradable solution that respects the environment while effectively retaining pool heat.
  • Easy Liquid Solar Cover Application: The 1-quart container comes with simple, step-by-step instructions, making it easy to integrate AquaDoc's Pool Heat Lock into your pool maintenance routine.
  • Compatible with All Pool Types: Designed for use in saltwater, chlorine, in-ground, and above-ground pools, AquaDoc's Pool Heat Lock is a versatile addition to any pool care regimen.
No. 15
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)
  • Above ground pool heater mat uses solar technology to increase the temperature of the pool water by approximately 5 degrees to 9 degrees Fahrenheit depending on weather condition
  • Compatible with any filter pool pump up to 1/2 horsepower or a pump flow rate of less than 2,500 gallons per hour, ensuring it can seamlessly integrate into your existing pool system
  • Crafted from sturdy vinyl material that allows the solar water heater to withstand extensive use, guaranteeing a long product lifespan without frequent replacements or repairs
  • Suitable for above ground pools with water capacities of up to 8,000 gallons, making it an adaptable and cost-effective solution to heat pools of varying sizes while ensuring optimal performance
  • Dimensions of the solar heater mat measure 47.25 x 47.25 inches, offering extensive coverage and ensuring efficient heat distribution in larger above-ground pools
No. 16
Sun2Solar Blue 16 ft x 32 ft Rectangle Solar Cover | 1200 Series | Heat Retaining Blanket for Rectangular Inground & Above Ground Swimming Pools | Use Sun to Heat Pool | Bubble Heating Blankets
  • Free Solar Energy: Our solar covers raise pool water temperature up to 15 degrees F
  • Traps Heat: Maximizes heat retention, helping to keep water warm overnight
  • Conserves Water: Prevents up to 95% of water evaporation, reducing chemical consumption and additional water used by your pool
  • Debris Prevention: Stops leaves and debris from entering pool, reducing maintenance and keeping your pool clean and clear
  • Easy Installation: The durable lightweight design makes it simple to install and remove with additional overlap to fit around any protrusions
No. 17
Sun2Solar Blue 24 ft Round Pool Solar Cover | 800 Series | Heat Retaining Blanket for Above Ground & Inground Swimming Pools | Use The Sun's Natural Energy to Heat Pool | Bubble Heating Blankets
  • Free Solar Energy: Our solar covers raise pool water temperature up to 15 degrees F
  • Traps Heat: Maximizes heat retention, helping to keep water warm overnight
  • Conserves Water: Prevents up to 95% of water evaporation, reducing chemical consumption and additional water used by your pool
  • Debris Prevention: Stops leaves and debris from entering pool, reducing maintenance and keeping your pool clean and clear
  • Easy Installation: The durable lightweight design makes it simple to install and remove with additional overlap to fit around any protrusions
No. 18
Fafco Solar Bear 10071 4x20x2 Solar Heating System for Above Ground Pools, Does Not Include Starter Kit
  • Solar Heater: Effortlessly heat your above-ground swimming pool using renewable energy with this solar pool heater
  • Proven Quality: Each unit is crafted from stabilized polyolefins and undergoes rigorous inspection and testing to ensure long-lasting quality.
  • Universal Design: This solar pool heater is compatible with most above-ground pools, pumps, and filters.
  • Integrated Control: With a built-in manual control valve, you can easily adjust the flow through the panel and regulate the temperature of your pool.
  • Easy Installation: Connecting fittings and hoses to your pool pump/filter is a breeze with this solar pool heater. You can use household tools for a hassle-free installation process.
SaleNo. 19
Solar Sun Rings SSSA-SB-02 UV Resistant Above Ground Inground Swimming Pool Hot Tub Spa Heating Accessory Square Heater Solar Cover, Sunburst
125 Consomer Reviews
Solar Sun Rings SSSA-SB-02 UV Resistant Above Ground Inground Swimming Pool Hot Tub Spa Heating Accessory Square Heater Solar Cover, Sunburst
  • ABSORBS SUNLIGHT: Solar cover uses sunlight to heat the pool throughout the day
  • RETAINS HEAT: Thermal blanket effect helps the water retain heat during the night
  • REDUCES WATER EVAPORATION: Helps reduce evaporation of water and chemicals
  • EASY TO USE: Rings easily break apart to prevent tie-ups in accidental falls
  • PRACTICAL DESIGN: Redesigned inner grid with added drainage grommets which allows water to seep through the Solar Sun Rings without sinking; Dimensions (W x H): 60 x 60 inches
No. 20
Doheny's Solar Heating Systems for Above Ground Swimming Pools (2.5' x 20' Collector Kit)
  • Eco-Friendly Pool Heating: Uses solar energy to heat your pool, reducing reliance on gas or electricity and extending your swim season.
  • Above Ground Solar Heating Panel Systems: Energy-saving solar pool system harnesses the sun’s rays to warm circulating water before returning it to the pool. The collector kit can be mounted on plywood (as shown) beside the pool or roof-mounted. Roof/rack mounting kit required for installation.
  • Solar Panel Collector Kit Sizes: Available in 2.5' W x 20' L, 5' W x 20' L (includes two 2.5' W x 20' L panels), and 5' W x 10' L (includes two 2.5' W x 10' L panels). PVC or flex pipes not included.
  • Above Ground Roof/Rack Mounting Kits: Include all necessary hardware for mounting panels on roofs or sloped plywood (as shown). Kit contains (5) 6' straps, 15 stainless steel mounting brackets, and (15) #14 stainless steel screws. 2-Way Diverter Valve: Can be plumbed into your filter/solar heating system to function as an on/off switch. Includes diverter valve and spacer.
  • Above Ground Collector Sizing Chart: A 12'-15' round pool needs a 2.5' x 20' collector (40,000 BTU), while an 18'-24' round pool requires a 5' x 20' collector (80,000 BTU). For 27'-28' round pools, both sizes are needed (120,000 BTU). A 12' x 24' oval pool uses a 2.5' x 20' collector (40,000 BTU), while 15' x 30' and 16' x 32' oval pools need a 5' x 20' collector (80,000 BTU). An 18' x 34' oval pool requires both a 2.5' x 20' and a 5' x 20' collector (120,000 BTU).

How to choose a good pool solar heaters

Does the idea of finding a fantastic pool solar heaters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in pool solar heaters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top pool solar heaters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top pool solar heaters on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top pool solar heaters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top pool solar heaters based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the pool solar heaters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good pool solar heaters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your pool solar heaters.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting pool solar heaters for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our pool solar heaters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what pool solar heaters should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on pool solar heaters.