10 Best Solar Covers That Keep Your Pool Warm (And Clean) Day After Day
You’ve already done the hard work of finding the right pool shape and size. Now comes the real trick: keeping that water warm and debris-free without inflating your energy bill. The right solar cover does exactly that, and we’ve narrowed down the ten best options to help you pick yours.
| BigXwell 12Mil Round Solar Pool Cover 18FT |  | Best Value | Thickness (Mil): 12 mil | Shape: Round (18 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil |  | Budget-Friendly Pick | Thickness (Mil): 8 mil | Shape: Round (18 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| VEVOR 24x12ft Rectangle Solar Pool Cover |  | Heavy-Duty Choice | Thickness (Mil): 16 mil | Shape: Rectangle (24×12 ft) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| In The Swim 18′ Premium Blue Round Solar Pool Cover 12 Mil | | Premium Pick | Thickness (Mil): 12 mil | Shape: Round (18 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| Sun2Solar Blue 24 ft Round Pool Solar Cover | 12 Mil | Heat Retaining |  | Top Performer | Thickness (Mil): 12 mil | Shape: Round (24 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| VEVOR Solar Pool Cover 18 ft 16 Mil Round Solar Blanket Blue |  | Most Durable | Thickness (Mil): 16 mil | Shape: Round (18 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| INTEX Solar Pool Cover for 16ft Round Pools |  | Best For Small Pools | Thickness (Mil): Not specified | Shape: Round (16 ft diameter) | Material: Plastic (water-resistant) | VIEW LATEST PRICE | Read Our Analysis |
| VEVOR 24 ft Round Solar Pool Cover |  | Most Versatile | Thickness (Mil): 8 mil | Shape: Round (24 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil | | Editor’s Choice | Thickness (Mil): 8 mil | Shape: Round (21 ft diameter) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
| VEVOR Solar Pool Cover 24×12 ft Rectangle | | Best Overall | Thickness (Mil): 12 mil | Shape: Rectangle (24×12 ft) | Material: Polyethylene (PE) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
BigXwell 12Mil Round Solar Pool Cover 18FT
If you want solid heat retention without breaking the bank, this 18-foot round cover delivers reliable performance. Those thousands of thermal bubbles trap sunlight during the day, warming your pool faster. You’ll maintain higher water temperatures even on cloudy days or cooler nights, so you swim longer regardless of weather. Plus, it cuts evaporation considerably, saving you money on water and chemicals.
- Thickness: 12 mil heavy-duty polyethylene
- Protection: blocks dust, leaves, and animals
- Maintenance: hand wash only, store dry
It’s lightweight, easy to install, and includes a pull-on closure for a secure fit.
- Thickness (Mil):12 mil
- Shape:Round (18 ft diameter)
- Material:Polyethylene (PE)
- Weight:8.57 kg (approx. 18.9 lbs)
- Evaporation Reduction:Reduces evaporation (specific % not stated)
- Warranty:30-day Amazon return policy (warranty details online)
- Additional Feature:Hand wash recommended
- Additional Feature:Pull-on closure design
- Additional Feature:Stores in cool/dry place
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil
You don’t need to spend a fortune to keep your pool warm and clean. The In The Swim 18′ Standard Blue Round Solar Pool Cover, at just 8 mil thick, proves that. This lightweight polyethylene sheet floats right on your water’s surface, soaking up sun all day. It then releases that warmth overnight, so you can swim longer into fall without cranking the heater.
- Heating & Water Savings: It cuts evaporation considerably, which also means you’re not topping off your pool as often. Fewer chemicals needed, too, since the cover blocks debris.
- Handy Design: You can trim it with scissors to fit around ladders or steps. Plus, it comes with a reel, making it easy to roll up and store when not in use.
Just remember: place it on when chlorine is below 2.5 ppm and pH above 7.2. Remove it during shocking. And always store it in the shade when it’s off. With a 3-year warranty and a solid 4.3-star rating from nearly a thousand owners, this is a smart, budget-friendly pick for any round above-ground or inground pool.
- Thickness (Mil):8 mil
- Shape:Round (18 ft diameter)
- Material:Polyethylene (PE)
- Weight:13 pounds
- Evaporation Reduction:Minimizes evaporation (specific % not stated)
- Warranty:3-year manufacturer warranty
- Additional Feature:Cut-to-fit custom sizing
- Additional Feature:Includes reel for handling
- Additional Feature:3-year manufacturer warranty
VEVOR 24x12ft Rectangle Solar Pool Cover
The VEVOR 24x12ft Rectangle Solar Pool Cover is a heavy-duty choice for anyone wanting durable, year-round warmth. You’re getting 16mil polyethylene material, which brings serious tear and UV resistance. That bubble design doesn’t just heat things up; it packs a punch, potentially boosting your water temperature by 8 to 15°C. And here’s the kicker: it stops up to 95% of evaporation, saving you water and cutting back on heating costs.
But you also get a cleaner pool. Leaves and dust don’t stand a chance. You can even cut it down to fit your exact pool shape. Plus, you’re backed by a manufacturer’s warranty and a 30-day Amazon return policy. A solid 4.3-star rating confirms it.
- Thickness (Mil):16 mil
- Shape:Rectangle (24×12 ft)
- Material:Polyethylene (PE)
- Weight:Not specified
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:Manufacturer warranty (details not specified)
- Additional Feature:Raises water temp 8-15°C
- Additional Feature:Tear and UV resistant
- Additional Feature:Pull-on closure design
In The Swim 18′ Premium Blue Round Solar Pool Cover 12 Mil
Own an 18-foot round pool? You’ll want this In The Swim cover made from durable 12-mil polyethylene. It weighs about 16 pounds and includes buckles for a secure fit. This solid blue cover harnesses sunlight to warm your water naturally, extending your swim season without extra energy costs. It also reduces evaporation, so you conserve water and cut down on chemical use. Its 12-mil thickness resists tears, and you can easily trim it with scissors to fit around ladders or steps. Plus, you get a 7 year warranty from Midwest Canvas Corporation. It’s a smart, simple investment!
- Thickness (Mil):12 mil
- Shape:Round (18 ft diameter)
- Material:Polyethylene (PE)
- Weight:16 pounds
- Evaporation Reduction:Minimizes evaporation (specific % not stated)
- Warranty:7-year manufacturer warranty
- Additional Feature:7-year manufacturer warranty
- Additional Feature:Wide seams for durability
- Additional Feature:Buckles/straps for closure
Sun2Solar Blue 24 ft Round Pool Solar Cover | 12 Mil | Heat Retaining
High heat retention meets serious value here. The Sun2Solar Blue 24 ft Round Cover uses sunlight to boost your water temperature by up to 15 degrees, slashing your reliance on electric heaters. And it holds that warmth after sunset, so you won’t wake to a chilly pool. You’ll also cut evaporation by up to 95%, saving water and reducing chemical needs.
Plus, it blocks leaves and debris, keeping your pool cleaner with less effort. The 12-mil thick material is built tough for all weather, and it fits both above ground and inground pools. You can even trim it around protrusions for a perfect, easy install. Great value, indeed!
- Thickness (Mil):12 mil
- Shape:Round (24 ft diameter)
- Material:Polyethylene (PE)
- Weight:Not specified
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:Not specified
- Additional Feature:Raises water temp up to 15°F
- Additional Feature:Extra overlap for installation
- Additional Feature:Reduces chemical needs
VEVOR Solar Pool Cover 18 ft 16 Mil Round Solar Blanket Blue
Durable enough to withstand season after season of sun and splashing, this VEVOR solar cover is your most budget friendly route to a warmer pool. You’ll love its 16 mil thickness, which resists stretching, tearing, and cracking even under harsh sunlight. The micro-bubble design grabs heat all day and holds it overnight, so you swim longer without shivering. And here’s a bonus: it slashes evaporation by 95%, saving water and chemicals. Just trim it to fit your round or irregular pool. Installation’s a breeze with manual setup. Want to cut maintenance? This blanket does the heavy lifting for you!
- Thickness (Mil):16 mil
- Shape:Round (18 ft diameter)
- Material:Polyethylene (PE)
- Weight:19 pounds
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:Manufacturer warranty (request from customer service)
- Additional Feature:Micro-bubble surface design
- Additional Feature:Resists stretching/tearing/cracking
- Additional Feature:Avoid acidic/chlorinated conditions
INTEX Solar Pool Cover for 16ft Round Pools
If your backyard setup revolves around a 16-foot round above-ground pool, this Intex cover fits like a glove. You’ll appreciate how its air bubbles absorb sunlight and transfer heat directly into the water, keeping it warm longer. It also cuts evaporation by up to 95%, so you refill less often and save on chemicals. Plus, it blocks leaves and debris effectively. Just float it on the surface and use the drawstring closure to secure it. Remember, hand wash only. No warranty is included, but you get reliable performance for your pool.
- Thickness (Mil):Not specified
- Shape:Round (16 ft diameter)
- Material:Plastic (water-resistant)
- Weight:16 ounces (1 lb)
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:No manufacturer warranty
- Additional Feature:Drawstring closure design
- Additional Feature:Weight approximately 16 ounces
- Additional Feature:Compatible with Easy Set pools
VEVOR 24 ft Round Solar Pool Cover
You’re looking for a solar cover that’s most versatile for your pool, and the VEVOR 24 ft Round Solar Pool Cover fits the bill. It trims easily for irregular shapes, so you’re not stuck with a one-size-fits-all headache.
The 8-mil PE bubble layer resists tears and stretches, season after season. And here’s the kicker: it cuts evaporation by up to 95%, saving water and chemicals. You’ll also extend your swim time, since heat stays put overnight. At roughly 16.8 pounds, it’s light enough to handle solo. Plus, the blue tint looks sharp against your deck.
Need a cleaner, warmer pool with less fuss? This cover delivers. Just trim, float, and enjoy.
- Thickness (Mil):8 mil
- Shape:Round (24 ft diameter)
- Material:Polyethylene (PE)
- Weight:16.8 pounds
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:Manufacturer warranty (details not specified)
- Additional Feature:Thousands of micro air bubbles
- Additional Feature:Lightweight at 16.8 pounds
- Additional Feature:Multiple sizes/thicknesses available
In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil
For above-ground pool owners who want maximum warmth without wrestling with heavy, stiff covers, this is your editor’s choice. You’ll love that the lightweight 8-mil polyethylene keeps your water naturally warm while cutting evaporation and debris. That means fewer chemical adjustments and refills.
Here’s what you get:
- 21-foot round fit (252 inches across) at just 17 pounds, so you’ll handle it easily.
- Trimmable design: Grab scissors to cut around ladders or steps for a custom fit.
- Reel closure makes folding and storage a breeze.
Keep chlorine below 2.5 ppm and pH above 7.2 for longevity. You’ve got a 3-year warranty and a 4.3-star rating backing this buy.
- Thickness (Mil):8 mil
- Shape:Round (21 ft diameter)
- Material:Polyethylene (PE)
- Weight:17 pounds
- Evaporation Reduction:Minimizes evaporation (specific % not stated)
- Warranty:3-year manufacturer warranty
- Additional Feature:Cut-to-fit custom sizing
- Additional Feature:3-year manufacturer warranty
- Additional Feature:Reel closure for storage
VEVOR Solar Pool Cover 24×12 ft Rectangle
The VEVOR Solar Pool Cover 24×12 ft Rectangle earns its overall top recommendation by combining serious heat retention with rock-solid durability. You’re getting a 12-mil, tear-resistant polyethylene sheet that’s built to handle harsh sun without fading or warping. That’s a full 2-4 mils thicker than many competitors, so it won’t shred on rough concrete or fight you during installation.
Its thermal game is strong: thousands of tiny bubble films can boost your water temperature by 8-15°C and block up to 95% of evaporation. That translates directly into lower heating bills and fewer chemical top-ups. And because it keeps leaves and dust out, you’ll spend less time skimming and more time swimming.
Cleaning is a breeze: just rinse with warm, soapy water, air dry, and fold or roll for storage. Cut it with scissors to fit your exact pool shape, too. With a solid 4.3-star rating and a 30-day return window, this cover delivers long-term savings without the fuss.
- Thickness (Mil):12 mil
- Shape:Rectangle (24×12 ft)
- Material:Polyethylene (PE)
- Weight:Not specified
- Evaporation Reduction:Up to 95% evaporation reduction
- Warranty:Manufacturer warranty (upon request)
- Additional Feature:Raises water temp 8-15°C
- Additional Feature:Clean with warm water/soap
- Additional Feature:High tensile tear-resistant material
Factors to Consider When Choosing Above Ground Pool Solar Covers
When you’re choosing a solar cover for your above ground pool, you’ll want to focus on solar heating efficiency and heat retention capabilities first, as these directly impact how warm your water gets. Cover thickness options matter too, since a thicker cover typically offers better insulation but can be heavier to handle, while material durability ensures your investment lasts through seasons of sun and storage. And don’t overlook shape and size fit getting the right dimensions prevents heat loss at the edges and keeps debris out, making your cover work harder for you.
Solar Heating Efficiency
Since you want to keep your pool warm and cut down on energy costs, the thickness of your solar cover is your first big decision point. Thicker covers, measured in mils, trap more heat, but don’t stop there. Look for thermal bubbles that supercharge solar absorption, converting sunlight into cozy warmth for you. Reflective materials and UV resistance matter too, as they prevent the sun from degrading your cover’s performance over time.
A proper fit is non-negotiable. Your cover should overlap the water surface completely, eliminating gaps that let precious heat escape. And don’t skip regular maintenance! Clean off dirt and debris so sunlight can pass through easily; position the cover correctly every time to maximize contact. These steps optimize heating efficiency, keeping your pool warmer longer without breaking the bank.
Cover Thickness Options
So, you know how thicker solar covers pack more heat and cut energy costs? That’s because a 12 mil or 16 mil cover creates a denser barrier against evaporation, which means you save more water and chemicals. Thinner 8 mil covers are lighter and easier to toss on, but they sacrifice insulation and wear out faster. For most above-ground pools, a 12 mil option hits the sweet spot: durable enough to last, yet still manageable to handle. A 16 mil cover is your best bet for colder climates if you prioritize heat retention. But don’t just grab the thickest; consider your pool’s size and how often you use it. Thicker isn’t always better if it’s a pain to lift alone. Matching thickness to your routine keeps things efficient without the struggle.
Material Durability
While thickness matters for heat retention, material durability is what determines how many seasons you’ll get out of your solar cover. You’re looking for a cover that handles your pool’s specific environment without cracking or tearing. Here’s what you need to check:
- Thickness & Material: Polyethylene (PE) at 12 or 16 mil resists punctures far better than thinner options.
- UV Protection: A cover with built-in UV resistance won’t fade or degrade under relentless sun exposure.
- Reinforced Edges: Look for reinforced seams and edges. They’ll prevent splitting when you wrestle the cover on and off.
- Flexibility: High-quality PE stays elastic, even in cold weather, so it won’t crack during chilly mornings.
- Chemical Resistance: Chlorine, salt, and harsh weather won’t eat through durable materials, saving you from frequent replacements.
You want a cover that lasts, not one you’re replacing next season.
Shape and Size Fit
You might think a solar cover is a solar cover, but shape and size fit can make or break how well it performs on your above-ground pool. Measure your pool carefully, including any protrusions or irregular edges. A cover that’s too small leaves gaps where heat escapes and debris sneaks in. Look for covers specifically designed for above-ground pools, as many are optimized for inground shapes. Some covers are slightly oversized, which is actually a good thing; the extra overlap ensures complete coverage and a snug fit. For uniquely shaped pools, check if the cover can be trimmed to match your exact outline. Remember, a precise fit traps warmth effectively and keeps your water cleaner. Don’t skip this step, it makes all the difference in performance.
Heat Retention Capabilities
When it comes to keeping your above-ground pool warm, heat retention is where a solar cover really earns its keep. You’ll want a thicker cover, measured in mil, since it simply insulates better. Look for a smart bubble design, too. Those bubbles trap solar energy and slash heat loss from convection and radiation.
- Check the thickness: A 12 mil or higher cover locks in warmth more effectively than a thin 8 mil one.
- Ensure a snug fit: Gaps let heat escape, so a properly fitted cover maximizes thermal retention.
- Pick UV-resistant materials: They keep their insulating properties long after sun exposure, so you don’t lose performance.
And don’t forget—a great cover reflects sunlight back into your pool by day and retains that heat overnight, stretching your swimming season well into cooler months! You’ll feel the difference every time you jump in.
Water Conservation Rate
Since water evaporates faster when your pool water heats up, a solar cover’s ability to conserve water is almost as impressive as its heat retention. You can slash evaporation losses by up to 95%, which means fewer refills and lower water bills. Thicker covers, like those at 12 mil or more, lock in moisture better than thinner ones. But you’ll need a proper fit to nail that water barrier: minimize gaps and overlaps for maximum effect.
The bubble design doesn’t just insulate heat; it keeps water warmer, slowing evaporation even further. And don’t overlook regular trimming and maintenance—keeping that cover snug boosts its water-saving efficiency. So, when you’re shopping, focus on thickness and fit. Your pool (and your wallet) will thank you, especially during those hot, thirsty months!
Ease of Installation
Because your pool cover shouldn’t feel like a wrestling match, ease of installation is a major factor to contemplate when choosing an above ground solar cover. You’ll want a cover that goes on and off without a daily struggle.
Look for models with pull on closures or built in reel systems. These let you roll the cover out quickly and retract it just as fast. Lightweight materials, like 8 or 12 mil polyethylene, make handling simple. You can easily maneuver them solo. And if your pool has an unusual shape, choose a cover you can trim to fit the exact contours. That reduces complexity drastically.
Also, pick covers with clear instructions or user guides. A straightforward manual saves you from guessing games. Finally, consider designs that support easy storage. Foldable covers or those compatible with storage reels mean you won’t fight with tangled material when the season ends. Simple setup equals more time swimming.
Chemical Savings Potential
You’ll also find that a solar cover can cut your chemical costs noticeably. By blocking debris and slashing water evaporation, it keeps your pool’s chemistry more stable. That means you’ll adjust chemicals less often, saving money on algaecides and sanitizers.
And here’s a bonus: the cover’s retained heat reduces UV degradation, so you won’t need as many chemical stabilizers. Less chemical residue builds up, too. You’ll use fewer clarifiers and shock treatments overall.
But the real win? Lower contamination means you can dial back your sanitizer concentration while still keeping water crystal clear. It’s a simple swap for serious savings!
