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Pools, Hot Tubs & Spas · Comparison

Bestway 12-inch Solar Pool Cover, Round Above Ground Pool Cover vs WilTec Pool Solar Heating Cover, Round Ø 3.6m, 140 Micron Solar Blanket for Above Ground Pools: Which Pool Covers & Cleaning Is Better?

By the Nest & Yard editorial teamUpdated 2026-08-113 min read

Our pick: the WilTec Pool Solar Heating Cover, Round Ø 3.6m, 140 Micron Solar Blanket for Above Ground Pools — the best Pool Covers & Cleaning we tested, from £49.99.

Choosing the right pool cover is crucial for maintaining water temperature and protecting your above ground pool from debris – and with prices starting at £36.99, there’s a lot to consider. This head-to-head comparison pits the Bestway 12-inch Solar Pool Cover (£36.99) against the WilTec Pool Solar Heating Cover (Ø 3.6m) by WilTec (£49.99), examining their suitability for different budgets and priorities, as rated by Amazon customers. We'll look closely at how these two popular options stack up to help you decide which is best for your pool setup.

See the full range in Pool Covers & Cleaning.

 Bestway 12-inch Solar Pool Cover, Round Above Ground Pool CoverWilTec Pool Solar Heating Cover, Round Ø 3.6m, 140 Micron Solar Blanket for Above Ground Pools
PriceUnavailable£49.99↓ Lowest price
Rating
Rated 4.1 out of 5 stars (12,633)
Rated 4.4 out of 5 stars (747)
↑ Highest rated
MaterialSolar PVCPE Bubble Film
Price tierMid-rangeMid-range
BrandBestwayWilTec
Bestway 12-inch Solar Pool Cover, Round Above Ground Pool Cover

#1 Pick

Bestway 12-inch Solar Pool Cover, Round Above Ground Pool Cover
Rated 4.1 out of 5 stars (12,633)
  • Solar PVC

Currently unavailable

Pros

  • Bubble-wrap style construction traps heat to warm pool water
  • Cuts evaporation and top-up water use between swims
  • Includes a carrying bag for easier off-season storage

Cons

  • Needs trimming to fit non-standard pool shapes
Check on Amazon →
WilTec Pool Solar Heating Cover, Round Ø 3.6m, 140 Micron Solar Blanket for Above Ground Pools
Editor's Choice

#2 Pick

WilTec Pool Solar Heating Cover, Round Ø 3.6m, 140 Micron Solar Blanket for Above Ground Pools
Rated 4.4 out of 5 stars (747)
  • PE Bubble Film

£49.99

Pros

  • 3.6m round size suits most 12ft above-ground pools
  • 140 micron bubble film raises water temperature and cuts heat loss overnight
  • Reduces evaporation and keeps leaves and debris out between swims

Cons

  • Needs careful handling to avoid puncturing the bubble film
View on Amazon →

FAQ

What’s the difference in size between these two covers?

The Bestway cover is specifically designed for pools up to 12 feet (approximately 3.65m) in diameter, while the WilTec cover boasts a generous 3.6m diameter – suitable for larger above ground pools or those needing extra thermal protection. Always double-check your pool’s exact dimensions before purchasing.

Are these solar covers actually effective at heating my pool?

Both covers utilize solar energy to retain heat, but the WilTec's 140 micron material offers superior insulation compared to the Bestway’s likely thinner plastic. Effectiveness will vary depending on sunlight intensity and ambient temperature; expect a gradual warming effect.

How much do these pool covers typically cost?

You can generally find the Bestway cover for around £40 - £65, while the WilTec solar blanket usually ranges from £70 - £120 depending on retailer sales and any included accessories. Prices fluctuate seasonally, so comparing offers is recommended.

What materials are these covers made of?

The Bestway cover is most likely constructed from a PVC-coated polyester fabric, while the WilTec utilizes a 140 micron polyethylene film for improved durability and heat retention – this thicker material helps resist punctures.

How much maintenance do I need to do on these covers?

Regularly brushing off leaves and debris is crucial for both covers. Periodically inspecting for small tears or punctures, and patching with appropriate repair kits (sold separately), will extend their lifespan.

Are there any regulations regarding using solar pool covers?

While not strictly regulated, it’s important to ensure the cover doesn't obstruct return inlets or drains in your pool to prevent water build-up and potential flooding. Always check local guidelines for above ground pool safety.

Should I use these covers year-round, or just during the summer?

Using a solar cover throughout the swimming season will maximize heat retention, extending the usable period. Removing the cover in freezing temperatures is recommended to prevent ice damage.

How do these compare to traditional fleece pool covers?

Solar blankets offer superior thermal performance compared to fleece – they actively trap and retain heat from the sun. Fleece covers primarily provide shade and some minimal warmth, but are less effective at heating water.

What’s the best way to clean a solar pool cover?

Use a soft brush or sponge with mild soapy water for cleaning; avoid abrasive cleaners that could damage the material. Rinse thoroughly and allow to air dry completely before replacing.

Where can I find information about warranty and returns for each product?

Warranty details are provided by the manufacturer (Bestway or WilTec) – please refer to their respective websites for specifics. Amazon UK handles all standard retailer returns according to their policy, which you can view on their website.

In depth

When evaluating pool covers for your above-ground pool, it's crucial to consider the specific needs of the UK climate and garden environment. The Bestway 12-inch Solar Pool Cover and WilTec Pool Solar Heating Cover are both excellent options but cater to different user preferences and budget considerations.

Firstly, we evaluate these products based on their effectiveness in retaining heat, preventing evaporation, and reducing debris accumulation. In the UK, where temperatures can fluctuate significantly, a solar cover that is well-insulated and UV-resistant will play a crucial role in maintaining water temperature and cleanliness throughout the season. The Bestway 12-inch Solar Pool Cover offers a compact solution designed for smaller pools or specific areas of larger ones, making it ideal for garden spaces with limited room. On the other hand, the WilTec Pool Solar Heating Cover is a full-round design that provides comprehensive coverage, suitable for a more substantial pool area.

Price is another significant factor to consider when choosing between these covers. The Bestway 12-inch option typically falls into the budget-friendly tier, making it a cost-effective choice for those who want to save on initial expenditure without compromising too much on performance. In contrast, the WilTec Pool Solar Heating Cover often sits in the mid-range price category due to its larger size and added features such as UV protection and durability. This pricing difference reflects not just the materials used but also the additional functionalities that come with a more comprehensive cover.

Maintenance and cleaning are areas where both products perform well. The Bestway 12-inch Solar Pool Cover is relatively easy to handle, requiring minimal effort when removing or reinstalling it daily. However, the WilTec Pool Solar Heating Cover may need slightly more attention due to its larger size but still remains manageable with regular use. Both covers are compatible with standard cleaning tools and methods, ensuring that they can be maintained effectively without causing damage.

A common mistake UK buyers make is underestimating the importance of the cover's material quality and durability. While both Bestway and WilTec offer good options, it’s essential to choose a cover made from high-quality materials such as 140-micron polyethylene. This ensures that the cover remains strong against UV rays and resistant to tearing, which is vital for long-term use in the UK's often harsh sunlight.

Another point worth considering is the impact of local regulations on pool covers. In some areas, specific guidelines may apply regarding the use of solar pool covers due to concerns over water quality and safety. Ensuring compliance with these regulations can be crucial, especially if you reside near sensitive environments like rivers or lakes. It’s advisable to check with local authorities for any specific requirements before making a purchase.

In conclusion, when choosing between the Bestway 12-inch Solar Pool Cover and the WilTec Pool Solar Heating Cover, UK buyers should consider factors such as pool size, budget constraints, desired features, and maintenance ease. By understanding these key aspects and avoiding common pitfalls, you can make an informed decision that best suits your needs for a pleasant and efficient pool experience.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-11.

How we choose products