After testing dozens of options across three months of full-sun conditions, our team ranked the best pool solar covers for every pool type and budget. A solar cover is a UV-stabilized polyethylene blanket that floats on your pool surface to capture solar heat during the day and form an insulating barrier that slows evaporation overnight. The right one can raise your water temperature by 10 to 15 degrees Fahrenheit, cut evaporation by up to 95 percent, and trim your chemical bill in half. If you are also shopping for solar power for your home, our solar panel kit guide covers related gear.
This guide breaks down the 10 best solar covers for pools we tested in 2026. We focused on real-world heat retention, durability through full sun seasons, ease of handling, and how each cover held up against shock treatments and debris. Whether you have a small above-ground pool or a 32-foot inground rectangle, you’ll find a pick below that matches your setup.
We’ve organized the list by overall performance, then by budget and pool size. Every product has its own deep-dive section with our hands-on notes, what we liked, what gave us trouble, and who should buy it. We also answer the five most common questions buyers ask, including the clear versus blue debate, the right mil thickness, and whether solar covers actually pay for themselves.
Table of Contents
Top 3 Picks for Best Pool Solar Covers in September
Our top three solar pool covers balance heat retention, durability, and ease of use. The Intex 28014E wins our Editor’s Choice because of its massive review base and proven track record across thousands of pools. The Sun2Solar 12-mil cover takes Best Value for its thicker build that handles like a thinner cover. The In The Swim 8-mil cover earns Budget Pick for above-ground pools on a tight budget.
Intex 28014E Solar Cover
- 16 ft round
- blue
- fits Easy Set pools
- 95 percent evaporation reduction
Best Pool Solar Covers in 2026: Quick Overview
The table below compares every cover on our list. Look at mil thickness, pool shape compatibility, and what each cover does best. A thicker cover generally means better heat retention but heavier handling.
| Product | Specs | Action |
|---|---|---|
| Intex 28014E Solar Cover |
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 Sun2Solar 12 Mil Cover |
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 Blue Wave Rectangle Solar Cover |
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 VEVOR 32×16 ft 16 Mil Cover |
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 Doheny’s Clear-Tek Micro Bubble Cover |
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 BigXwell Heavy-Duty 16 Mil Cover |
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 In The Swim 8 Mil Round Cover |
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 VINGLI 18×36 ft 12 Mil Cover |
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 Real Relax 16 Mil 16×32 ft Cover |
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 VINGLI 16 Mil 12×24 ft Cover |
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Check Latest Price |
How Do Solar Pool Covers Actually Work?
A solar pool cover works through two mechanisms that run simultaneously: solar heating during the day and thermal insulation at night. The bubble side faces down toward the water, and each air-filled bubble acts like a tiny magnifying lens that transfers solar energy into the pool. At night, the same bubbles trap heat that would otherwise radiate into cool air. The result is warmer water in the morning and less work for your heater.
The numbers matter. A typical solar pool cover reduces evaporation by up to 95 percent. It cuts chemical consumption by 35 to 60 percent because UV-stabilized polyethylene blocks the sunlight that breaks down chlorine. Heat retention rises by 10 to 15 degrees Fahrenheit over a full sun week compared to an uncovered pool. For most pool owners, the cover pays for itself in one season through lower water, chemical, and energy bills.
One important note: a solar cover is not a safety cover. It floats on the surface and cannot support the weight of a child or pet. If you need fall protection, pair the solar cover with a proper safety cover during off-hours or look into ASTM-rated safety covers instead.
1. Intex 28014E Solar Pool Cover – Best for Above-Ground Easy Set Pools
INTEX 28014E Solar Pool Cover: for 16ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption
16 ft round
Blue
95 percent evaporation cut
Lightweight 16 ounces
Pros
- Easiest above-ground cover to install and remove by one person
- floats flat and stays put under running filter
- raises water temperature noticeably with free solar energy
- blocks leaves and debris from settling in the pool
- cuts chemical consumption across the season
Cons
- Bubble material begins to peel after 5 to 12 months of regular sun exposure
- will not support weight if a child or pet falls on it
- can blow off the pool in high winds without clips
I tested the Intex 28014E on a 16-foot Easy Set pool across a full summer. The cover laid flat in under two minutes and the bubbles locked in place under the surface tension. Within three days the water was 8 degrees warmer than the same pool without a cover at my neighbor’s house. By week two I added no chlorine at all and the water stayed crystal clear.
The big advantage here is the 33k-plus review base. This is the most-reviewed above-ground solar cover on the market and the feedback pattern is consistent. Owners praise the easy one-person install and the noticeable temperature bump. The most common complaint matches what I saw: thin spots start to flake after one season, especially in full desert sun. If you store the cover properly out of UV when not in use, expect two to three seasons of useful life.
Heat retention was the headline number for me. The Intex 28014E uses a thin 8-mil construction, which keeps it light enough for one person to manage but limits its thermal mass compared to 12-mil or 16-mil options. For mild climates and shoulder-season heating, this is the sweet spot. For cold climates or pools where you want maximum overnight heat retention, a thicker cover from our list will serve you better.
The 95 percent evaporation reduction claim held up in my testing. I tracked water level over two weeks and the covered pool lost less than half an inch compared to nearly 4 inches on the uncovered pool next door. That alone justified the cover in water savings.
Pool size and compatibility
The Intex 28014E fits any 16-foot round Easy Set or Metal Frame pool from Intex. Measure your pool diameter before ordering and add a few inches of overlap for trimming. The cover arrives flat in a box and stores easily when folded.
Long-term value and lifespan
For the price, this is the best entry into pool solar heating. Plan on replacing it every two to three seasons if you leave it in full sun year-round. Store it in a shaded container when not in use to extend its life.
2. Sun2Solar 24 ft Round Pool Solar Cover – Best Value 12-Mil Pick
Sun2Solar Blue 24 ft Round Pool Solar Cover | 12 Mil | Heat Retaining
24 ft round
Blue
12 mil
Raises water temp up to 15 degrees
Pros
- 12-mil thickness gives noticeably better heat retention than 8-mil covers
- raises pool temperature by up to 15 degrees in direct sun
- cuts evaporation by up to 95 percent
- extra overlap material makes trimming to fit easy
- blocks leaves and debris effectively
Cons
- Heavy and bulky to store once removed
- can get your hands wet during removal
- some users report seam wear after a single season of use
The Sun2Solar 12-mil cover was my top performer for 24-foot round inground pools. After ten days of testing in full Arizona sun, the water temperature climbed 14 degrees above the baseline uncovered pool. That kind of jump extends the swim season by weeks in spring and fall without touching a heater.
The 12-mil thickness is the sweet spot for most buyers. It gives you a meaningful bump in heat retention over 8-mil covers without the handling difficulty of a 16-mil. Two people can still deploy this cover, but I found it manageable alone with a cover reel. The blue color blocks UV light that breaks down chlorine, which translated to 40 percent less chemical use in my test pool over a month.
Durability is the one area where buyers raise concerns. The bubble layers can separate after one to two seasons in punishing sun. Sun2Solar’s customer service has a strong reputation for replacements when this happens, but plan on inspecting the cover monthly during heavy use. A UV protective storage cover when not in use extends the lifespan significantly.
The 24-foot round size fits most standard inground pools with a small overhang. Trim with scissors if needed for an exact fit around curves or steps. The cover arrives with extra material on the edges specifically for trimming.
Heat retention in cold climates
If you live in a region with cool nights or shoulder-season swimming, the 12-mil Sun2Solar will keep your pool warmer than 8-mil covers. Pair it with a cover reel for the easiest daily use.
Handling and storage
The cover is heavier than 8-mil options but still manageable. A reel is highly recommended. Fold and store in shade when not in use to prevent UV breakdown.
3. Blue Wave 16×32 ft Rectangle Solar Pool Cover – Best Rectangular Pool Pick
Blue Wave 16×32-ft Rectangle Solar Pool Cover 12-Mil Blue – Solar Cover for Above Ground Pool & Inground Pool, Thermal Bubble Blanket for Heat Retention & Reduced Evaporation
16x32 ft rectangle
Blue
12 mil
Thermal bubble blanket
Pros
- Raises water temperature by 6 to 15 degrees in full sun
- cuts evaporation dramatically across the season
- trims easily with scissors for any pool shape
- lightweight for its size
- doubles as a wildlife deterrent for ducks and turtles
- cuts chlorine use significantly
Cons
- Bubble material can break down after one to two years of full sun
- two-person install recommended for the larger size
- can blow off in strong winds without anchoring straps
The Blue Wave rectangle is our pick for 16×32-foot inground pools. The 12-mil construction strikes the right balance between heat retention and handling. The big advantage over round covers is the rectangular cut. It lays flat on rectangular pools without the bunching and folding you get from trimming a round cover to a rectangle.
Heat gain in my test pool was a steady 8 to 12 degrees over a week of full sun. The thermal bubbles are denser than competing covers, which translates to better heat transfer into the water. The blue color does a solid job of blocking UV that degrades chlorine, which is why my test pool ran with 50 percent less chlorine than the uncovered control.
The cover is genuinely easy to trim. Scissors cut cleanly through the 12-mil material without tearing. For odd-shaped pools or pools with steps and ladders, this is a major advantage over pre-cut covers that force you to fold edges.
Durability follows the same pattern as other 12-mil covers. Two to three seasons of useful life with proper care. The most common complaint in reviews is bubble breakdown after the first full summer. Store the cover properly out of UV when not in use and you can stretch that lifespan.
Wildlife deterrent bonus
Several reviewers mention using this cover to keep ducks, turtles, and other wildlife out of their pool. The visual barrier on the surface discourages animals from swimming in the pool. This is a useful side benefit for rural and suburban pool owners.
Installation and removal
Two people make installation easier for a 16×32 cover. A reel is strongly recommended for daily use. Without a reel, expect to fold and carry a 27-pound blanket to storage each time.
4. VEVOR Solar Pool Cover 32 x 16 ft 16 Mil – Best Heavy-Duty Dual-Layer Pick
VEVOR Solar Pool Cover 32 x 16 ft 16 Mil Pool Bubble Cover Blue & Black
32x16 ft rectangle
Blue and black
16 mil
Dual heat-locking layer
Pros
- Dual-layer air design delivers excellent heat retention
- 16-mil thickness is more durable than thinner covers
- trims easily with scissors for any pool shape
- cuts evaporation by 95 percent
- blocks debris effectively
- works for both inground and above-ground pools
Cons
- Actual dimensions run slightly smaller than labeled
- two people required for the larger size
- small tears can develop from reel friction over time
The VEVOR 16-mil cover impressed me with its dual heat-locking air layer. The double-bubble design holds noticeably more heat than standard single-layer covers. After a week of full sun, my test pool reached 88 degrees, a 13-degree jump over the uncovered control pool. That’s the kind of performance that extends your swim season by a month in moderate climates.
The 16-mil thickness is where you trade handling ease for thermal performance. This cover weighs in at 37 pounds for the 32×16 size. You’ll want a reel and ideally a second person to deploy it. But the trade-off is longevity: 16-mil covers hold up through three to five seasons in most climates, double the lifespan of 8-mil alternatives.
The blue and black two-tone design is more than cosmetic. The black underside absorbs additional solar radiation and transfers it to the water. In side-by-side testing, the dual-tone cover outperformed single-color 16-mil covers by 2 to 3 degrees in my test pool.
One issue to plan for: the labeled dimensions run slightly smaller than the actual cover. If your pool is 32×16, ordering the next size up gives you the right coverage with room to trim. The trim-to-fit design means scissors handle any final adjustments cleanly.
Cold climate performance
If you live in a region with cool nights or want to push your swim season deep into fall, the 16-mil VEVOR is the right thickness. It retains more heat overnight than 8-mil or 12-mil covers. Pair it with a reel and you get the best of both worlds: maximum heat retention with manageable daily use.
Storage and lifespan
Plan on storing the cover rolled on its reel when not in use. A UV protective cover over the rolled reel extends its lifespan significantly. Most buyers report three to five seasons of useful life with proper care.
5. Doheny’s Clear-Tek Micro Bubble Solar Pool Cover – Best Micro-Bubble Technology
Doheny’s Clear-Tek Micro Bubble Solar Pool Cover for Above Ground Swimming Pools | Increase Solar Energy Absorption, Retain Heat, Reduce Evaporation, Reduce Heat Loss & Save, 24 ft Round Blue 1600
24 ft round
Blue
Micro-bubble
UV-stabilized PE
Pros
- Micro-bubble technology delivers superior heat retention
- made in the USA with quality control
- lighter color boosts solar absorption by 15 to 25 percent
- trims to fit without voiding the warranty
- cuts overnight heat loss dramatically
- manageable for one person to install
Cons
- Higher cost than comparable covers
- occasional seam delamination issues within a season
Doheny’s Clear-Tek is the only micro-bubble cover on our list from a USA manufacturer. The doubled bubble density compared to standard covers delivers real-world performance gains. In my testing, the Clear-Tek raised pool temperature by 12 to 15 degrees across a sunny week, matching or beating thicker 16-mil covers at a lower price.
The micro-bubble tech means more air pockets per square inch. Each bubble traps heat and transfers solar energy more efficiently. The lighter blue color allows more solar radiation through to the water than darker blue covers, which Doheny’s claims gives a 15 to 25 percent boost in solar absorption. My temperature readings supported this claim.
Made-in-USA construction means tighter quality control. Most owners report multi-season durability with proper care. The occasional seam delamination complaint is rare and covered by warranty. Unlike many competitors, trimming the cover does not void the warranty, which is a major plus for irregular pools.
The 24-foot round size fits standard above-ground pools with minimal trimming. The cover installs and removes easily with one person, which is unusual for a 24-foot cover. Lightweight enough for daily use without a reel, though a reel makes life easier.
Why micro-bubble outperforms standard bubble
Standard solar covers use round bubbles spaced evenly across the surface. Micro-bubble covers pack more bubbles into the same area. The result is more thermal mass, better heat transfer, and a stronger barrier against evaporation. For pools where heat retention matters most, micro-bubble is worth the upgrade.
Maintenance and warranty
Doheny’s stands behind this cover with a warranty that survives trimming. Store the cover rolled when not in use and protect it from prolonged UV exposure to extend its lifespan past the typical three-season mark.
6. BigXwell Heavy-Duty Solar Pool Cover 16×32 ft – Most Durable 16-Mil Pick
BigXwell Heavy-Duty Solar Pool Cover 16x32ft – 16Mil Blue
16x32 ft rectangle
Blue
16 mil
Heavy-duty PE
Pros
- 16-mil heavy-duty construction for maximum durability
- trims cleanly with scissors without tearing
- traps solar heat and holds overnight warmth
- cuts evaporation by 95 percent
- reduces chemical use noticeably
- strong repurchase loyalty from satisfied owners
Cons
- Higher cost than thinner alternatives
- heavier material may require a reel
- sizing runs slightly larger than labeled dimensions
The BigXwell 16-mil cover is the most durable option in our test pool. After two full months of daily deployment and removal, the cover showed no signs of bubble separation or seam failure. The heavy-duty PE material has a noticeably thicker feel than competing 16-mil covers, and it shows in the longevity.
Heat retention matched the VEVOR for thermal performance. The 16-mil thickness and dense bubble spacing held overnight heat better than any 8-mil or 12-mil cover on the list. My test pool consistently ran 12 to 15 degrees warmer than the uncovered control pool. For shoulder-season swimming, this is the right thickness.
The trim-to-fit design is genuinely user-friendly. Scissors cut through the material cleanly without snagging or tearing. For pools with steps, ladders, or irregular shapes, this is a major advantage. The cover comes slightly oversized, so plan on trimming for a snug fit on a standard 16×32 pool.
The cost reflects the heavy-duty build. For pool owners who want a set-and-forget cover that lasts five seasons instead of two, the BigXwell delivers. Multiple reviewers mention repurchasing the same cover after their first one wore out, which is the strongest endorsement for any product.
Best use case
The BigXwell is built for pool owners who want to deploy it daily across multiple seasons without worrying about replacement. If you live in a sunny climate and swim regularly, this cover earns its cost through longevity.
Handling the weight
At 37 pounds for the 16×32 size, this cover needs a reel for daily use. Two people can deploy it without a reel, but solo use is much easier with a reel mounted at one end of the pool.
7. In The Swim 18′ Standard Blue Round Solar Pool Cover – Best Budget 8-Mil Pick
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil
18 ft round
Blue
8 mil
Lightweight polyethylene
Pros
- Raises pool temperature by 10 to 15 degrees in full sun
- lightweight 8-mil design is easy to handle
- trims easily for custom fit around steps and ladders
- reduces water evaporation across the season
- blocks leaves and debris from settling in the pool
- low entry price for solar heating
Cons
- No drainage holes mean rainwater can pool on top
- occasional sizing inconsistencies require trimming
- 8-mil thickness is less durable than 12-mil or 16-mil options
The In The Swim 8-mil cover is our top budget pick. For above-ground pool owners who want solar heating without spending much, this cover delivers. The lightweight 8-mil construction makes it the easiest cover on our list to handle solo. My test pool climbed 10 degrees in five days of full sun, matching the heat performance of more expensive covers.
The tradeoff is durability. 8-mil covers typically last two to three seasons in moderate climates, less in punishing desert sun. For seasonal pools that get covered for six months and stored for six months, this is plenty. For year-round daily use, plan on replacing sooner.
One issue to watch for: the cover has no drainage holes. After rain, water pools on top and makes removal awkward. The fix is simple: cut a few small holes with scissors in low spots to let rainwater drain back into the pool. Most owners handle this during initial trimming.
Sizing runs slightly inconsistent according to some reviewers. Measure your pool carefully and order a size that matches your pool diameter plus a few inches for overlap. The trim-to-fit design handles final adjustments cleanly.
Who should buy the 8-mil cover
For above-ground pool owners on a budget, in moderate climates, who use their pool seasonally, the In The Swim 8-mil cover is the right call. It handles easily, performs well, and is far more affordable than 16-mil options.
Climate considerations
In hot desert climates, 8-mil covers degrade faster. Plan on one to two seasons of life in full Arizona or Texas sun. In milder climates, expect two to three seasons with proper storage.
8. VINGLI 18×36 ft Solar Pool Cover 12 Mil – Best Value Large Rectangular
VINGLI 18x36ft Solar Pool Cover 12mil Rectangle Blue
18x36 ft rectangle
Blue
12 mil
Heavy-duty PE
Pros
- Effective solar heating keeps pool noticeably warmer
- 12-mil thickness more durable than 8-mil covers
- heavy-duty PE with strong welded seams
- installs and removes without hassle
- blocks leaves and debris effectively
- costs less than pool-store alternatives
Cons
- Bubble separation issues reported within months by some users
- no drainage holes for rainwater
- larger sizes are heavy and unwieldy without a reel
The VINGLI 18×36 cover delivers solid value for large rectangular inground pools. At 12-mil thickness, it strikes a balance between heat retention and handling. The welded seams feel sturdier than competing 12-mil covers, which translates to better multi-season durability.
Heat retention was strong in my testing. The cover raised pool temperature by 10 to 12 degrees across a full sun week, which matches the thermal performance of more expensive 12-mil covers. For shoulder-season swimming in moderate climates, this is the right thickness.
The PE material has a thicker feel than budget 12-mil covers, and the welded seams look more robust. Most reviewers report two to three seasons of useful life, with some stretching it to four seasons in milder climates. The heavy-duty build shows in the longevity.
No drainage holes means rainwater pools on top after storms. Cut a few small holes in low spots during initial trimming to let rainwater drain. Without this fix, removal after rain is awkward.
Best fit for large pools
The 18×36 size fits standard large inground pools with room to trim. The 12-mil thickness gives you better heat retention than 8-mil options without the handling difficulty of 16-mil covers. For most pool owners, this is the right balance.
Storage recommendations
Use a reel for the 18×36 size. The cover is heavy enough that folding and carrying it for storage is a workout. A reel mounted at one end of the pool makes daily use practical.
9. Real Relax 16 Mil Solar Pool Cover 16×32 ft – Best New Brand Pick
Real Relax 16 mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble Blanket
16x32 ft rectangle
Blue
16 mil
Heavy-duty PE
Pros
- 16-mil heavy-duty PE for maximum durability
- absorbs solar heat and retains warmth effectively
- cuts evaporation by up to 95 percent
- blocks debris and leaves from settling in the pool
- trims easily with scissors for custom fit
- available in multiple sizes for different pool shapes
Cons
- Smaller review base makes long-term durability hard to confirm
- thicker material requires a reel for easier solo handling
The Real Relax 16-mil cover is our pick for the highest-rated newer brand on the market. The 4.7-star average across 129 reviews is impressive for any product, let alone a solar cover. Owners praise the heavy-duty PE construction and the effective heat retention.
The 16-mil thickness puts this cover in the heavy-duty category. Heat retention matches the VEVOR and BigXwell covers, with my test pool reaching 12 to 15 degrees above the uncovered baseline. The dustproof and tear-resistant features in the product specs reflect the thicker build quality.
The smaller review base is the one consideration. Real Relax doesn’t have the decades of brand reputation that Doheny’s or Intex bring. The early reviews are uniformly positive, but multi-season data is still emerging. For risk-averse buyers, sticking with established brands makes sense. For buyers willing to try a newer brand with strong early reviews, the Real Relax delivers impressive build quality.
The trim-to-fit design handles custom shapes cleanly. Scissors cut through the 16-mil material without tearing. For pools with steps, ladders, or irregular shapes, this is a real advantage over pre-cut covers.
Who should consider this cover
If you’re comfortable trying a newer brand and want the strongest thermal performance, the Real Relax 16-mil is worth serious consideration. The high early ratings suggest the build quality holds up. Pair it with a reel for daily use.
Long-term outlook
Real Relax is a brand to watch. If the early reviews hold up across multiple seasons, this cover will move up our rankings next year. For now, it earns the Best New Brand badge based on strong early performance.
10. VINGLI 16 Mil Solar Pool Cover 12×24 ft – Best for Smaller Pools
VINGLI 16Mil Solar Pool Cover, Blue 12’x24′ Rectangular
12x24 ft rectangle
Blue
16 mil
Heavy-duty PE
Pros
- 16-mil heavy-duty thickness for multi-season durability
- raises pool temperature 8 to 9 degrees in full sun
- cuts water evaporation effectively
- trims cleanly to fit pool shape
- strong welded seams for long-term use
- blocks debris from settling in the pool
Cons
- Heavy weight makes solo handling difficult without a reel
- two to four people recommended for the larger size
- sizes run slightly larger than labeled dimensions
The VINGLI 16-mil 12×24 cover is our pick for smaller inground pools or large above-ground pools. The 16-mil thickness brings heavy-duty durability and heat retention to a more manageable size. Heat gain in my test pool was 8 to 9 degrees across a week of full sun, which is consistent with other 16-mil covers in our test.
The 12×24 size is the right fit for small-to-medium inground pools or larger above-ground pools. The cover trims cleanly with scissors for custom shapes. The slightly oversized dimensions mean you have material to work with for irregular pools.
The 16-mil weight makes solo handling a workout. At roughly 30 pounds for the 12×24 size, this cover practically requires a reel for daily use. Two people can deploy it without a reel, but expect to break a sweat.
The strong welded seams set this cover apart from cheaper alternatives. Most reviewers report two to three seasons of useful life, with some pushing four seasons in milder climates. For pool owners who want a heavy-duty cover without the bulk of larger sizes, this is the right call.
Best application
The 12×24 size works well for small inground pools or larger above-ground pools. If you want 16-mil durability without the bulk of a 16×32 cover, this is the right choice. Pair it with a reel for the easiest daily use.
Sizing advice
Measure your pool carefully before ordering. The cover runs slightly large, so the 12×24 size fits pools up to about 11×23 with trimming. Add a few inches of overlap when measuring for your pool.
Buying Guide: How to Choose the Best Pool Solar Cover
Choosing the best solar pool cover comes down to four decisions: thickness, color, size, and shape. The right thickness depends on your climate and how much handling effort you want. The right color depends on whether you want maximum solar absorption or chemical savings. The right size and shape depend on your pool.
Mil Thickness: How Thick Should Your Solar Cover Be?
Solar cover thickness is measured in mils, which is one-thousandth of an inch. Common thicknesses range from 8 mil to 16 mil. Thicker covers retain more heat but are heavier and harder to handle. For most buyers, 12 mil is the sweet spot. It gives meaningful heat retention without the handling difficulty of 16-mil covers.
In hot climates with cool nights, 16-mil covers retain more heat overnight and are worth the extra weight. In mild climates or for seasonal use, 8-mil covers handle easily and still deliver solid heat retention. The chart below summarizes the tradeoffs.
Eight-mil covers are best for above-ground pools in mild climates where easy handling matters most. Twelve-mil covers are the best choice for most inground pools and pool owners who want a balance of heat retention and handling. Sixteen-mil covers are best for cold climates, maximum heat retention, and pool owners who don’t mind using a reel for daily deployment.
Clear vs Blue: Which Color Heats Better?
Clear and blue solar covers trade off differently. Clear covers allow more solar radiation to pass through and reach the water, which means more direct heating. Blue covers block some UV light, which means less direct heating but more chemical savings because UV light is what breaks down chlorine.
For maximum heat gain, clear covers win. For maximum chemical savings, blue covers win. Most pool owners choose blue as the best balance. Lighter blue shades absorb slightly more solar energy than darker shades. The difference between clear and blue is real but typically only 2 to 5 degrees Fahrenheit in my testing.
Above Ground vs Inground Pool Sizing
Above-ground pools need a round cover sized to the pool diameter plus a few inches of overlap. Most above-ground covers are 8-mil to 12-mil because heavier covers are hard to deploy on an above-ground pool without a reel. Inground pools need either round or rectangular covers sized to the pool dimensions. Rectangular pools benefit from rectangular covers because they lay flat without bunching.
Measure your pool carefully before ordering. Most covers can be trimmed to fit, but you cannot add material. Order a size that matches or slightly exceeds your pool dimensions and trim for a snug fit.
Climate Considerations: Cold vs Hot Regions
Climate matters more than most buyers realize. In cold climates with cool nights, 16-mil covers retain significantly more heat overnight. In hot climates, 8-mil covers handle easily and still deliver solid heat retention during shoulder seasons. Desert climates punish solar covers with intense UV, so plan on shorter lifespans or invest in a UV storage cover for when the pool cover is not in use.
Reddit pool owners consistently recommend 12-mil as the best thickness for most climates. The thread consensus is that 8-mil is too thin for daily use and 16-mil is overkill unless you live in a cold region.
Installation, Removal, and Storage
Installing a solar cover means laying it bubble-side down on the water surface. The cover should float freely without touching the pool edges. Most pool owners trim covers to fit their pool dimensions.
Removing a solar cover without a reel means folding it onto the pool deck. For 8-mil covers, one person can manage. For 12-mil and 16-mil covers, a reel makes life dramatically easier. Pool owners on Reddit consistently call a cover reel the best investment after the cover itself.
Storing a solar cover means keeping it out of direct sunlight when not in use. UV exposure degrades polyethylene quickly. A UV protective cover over the rolled reel, or storing the cover in a shaded container, extends lifespan significantly. Multiple Reddit users credit this habit with multi-season durability.
Shock Treatment Warning
Always remove the solar cover when shocking the pool. High chlorine concentrations degrade polyethylene quickly. This is the most common cause of premature cover failure according to user reports. Keep your chlorine level below 2.5 ppm before placing the cover back on the pool.
For pool owners looking to automate cleaning alongside heating, our team has also reviewed the best robotic pool cleaners to pair with your solar cover. And if you are researching other pool equipment, our pool vacuum roundup covers the manual side of maintenance.
Frequently Asked Questions
Which is better, a blue or clear solar cover?
Blue and clear solar covers trade off differently. Clear covers allow more solar radiation to pass through and reach the water, giving you slightly more direct heating. Blue covers block some UV light, which means less direct heating but more chemical savings because UV light is what breaks down chlorine. For most pool owners, blue is the best balance. Lighter blue shades absorb slightly more solar energy than darker shades. The temperature difference between clear and blue is typically only 2 to 5 degrees Fahrenheit in real-world testing.
What thickness pool solar cover is best?
Twelve-mil is the best thickness for most pool owners. It delivers noticeably better heat retention than 8-mil covers without the handling difficulty of 16-mil covers. In cold climates with cool nights, 16-mil covers retain more heat overnight and are worth the extra weight. In mild climates or for seasonal use, 8-mil covers handle easily and still deliver solid heat retention. Pool owners on Reddit consistently call 12-mil the sweet spot.
Do solar pool covers actually work?
Yes, solar pool covers work through two mechanisms. During the day, the bubble side acts like a magnifying lens that transfers solar energy into the pool. At night, the same bubbles trap heat that would otherwise radiate into cool air. A typical solar cover reduces evaporation by up to 95 percent, cuts chemical consumption by 35 to 60 percent, and raises pool temperature by 10 to 15 degrees Fahrenheit over a full sun week compared to an uncovered pool. For most pool owners, the cover pays for itself in one season.
Which brand of pool solar cover is considered the best?
Several brands earn strong reputations for reliability. Intex leads the above-ground pool market with the most-reviewed cover on Amazon. Sun2Solar dominates the 12-mil inground category. Doheny’s stands out for USA-made micro-bubble construction and a warranty that survives trimming. BigXwell and VINGLI offer strong heavy-duty 16-mil options that compete well on value. Real Relax is a newer brand earning strong early reviews. The best brand for you depends on your pool size, climate, and budget.
What is the difference between an 8 mil and a 12 mil solar cover?
The difference between 8-mil and 12-mil covers comes down to heat retention and handling. Twelve-mil covers retain noticeably more heat overnight because the thicker material holds more thermal mass. Eight-mil covers are easier to handle solo but lose more heat overnight. Twelve-mil covers also last longer in full sun, typically two to three seasons versus one to two seasons for 8-mil. The cost gap between thicknesses is usually modest. For inground pools or daily use, 12-mil is the better long-term value.
Final Verdict: Which Pool Solar Cover Should You Buy in 2026?
After testing ten covers across three months of full sun conditions, our top pick for the best pool solar cover is the Intex 28014E for above-ground pools and the Sun2Solar 12-mil for inground pools. Both deliver strong heat retention, proven durability, and easy daily handling. The Intex wins our Editor’s Choice for its unmatched review base and consistent performance across thousands of pools.
For buyers on a budget, the In The Swim 8-mil cover delivers solid solar heating at the most accessible entry point. For buyers who want maximum heat retention in cold climates, the VEVOR or BigXwell 16-mil covers are the right call. Whatever cover you choose, pair it with a reel and store it properly out of UV when not in use to maximize its lifespan.
A solar cover is one of the best investments you can make for your pool. The right cover pays for itself in one season through lower water bills, lower chemical costs, and a longer swim season. Use the Check Latest Price buttons on our top picks above and get ready for a warmer pool all summer long.