10 Best Pool Solar Covers 2025 in the United States

The BigXwell Solar Pool Cover is designed to harness solar energy to heat your pool. Its 16-mil thickness and thermal bubble design are effective in trapping heat from the sun, which can warm up the pool during sunny days and maintain the temperature during cooler nights. The polyethylene material promises durability and longevity, even under harsh weather conditions, while also being lightweight and easy to install or remove.

The blue color of the cover not only looks appealing but also contributes to UV protection, which is crucial for minimizing water evaporation – claimed to be reduced by up to 95%, helping conserve water significantly. Additionally, the cover can be trimmed to fit pools of various shapes, making it versatile for both in-ground and above-ground pools.

However, at 50.9 pounds, it might be a bit heavy for some users to handle. Given its size of 16 x 32 feet, it is suitable for larger pools. This cover is a robust option for those looking to efficiently heat their pool and reduce water evaporation, with the flexibility of fitting different pool shapes and sizes.

The VEVOR Solar Pool Cover is a 40 x 20 feet rectangular blanket made from durable 16 mil thick polyethylene material, which makes it strong and resistant to tearing or fading even under strong sun exposure. Its blue color is standard for solar covers and helps absorb sunlight to warm the pool water. The closed bubble design is great for reducing water evaporation—VEVOR claims it can prevent up to 95% of evaporation—which also helps keep the pool cleaner by blocking leaves and dust.

This cover is designed to increase water temperature by about 8 to 15°C, potentially extending your swimming season and lowering heating costs. One handy feature is that you can cut it to fit pools of various shapes, which adds flexibility. However, the cover is quite heavy at around 59 pounds, which might make handling and placement a bit challenging for some users. It is also recommended to hand wash it for care, which may require extra effort.

The cover floats on the water surface and is ideal for both inground and above-ground pools, especially if you want a cost-effective way to keep your pool warm and reduce water loss. If you have a pool that fits or can be trimmed to the 40 x 20 ft size, and you want a sturdy solar cover with solid heat retention and evaporation control, this product could be a good fit. Be prepared for some physical effort when installing and maintaining it.

The Sun2Solar Blue 20 ft x 40 ft Rectangle Pool Solar Cover is designed to harness solar energy to heat swimming pools, providing a cost-effective solution to raise water temperatures by up to 15 degrees. A notable strength of this cover is its ability to retain heat, which helps keep the pool water warmer overnight. Additionally, it effectively reduces water evaporation by up to 95%, which can save on water replacement and chemical costs. This feature is beneficial for pool owners looking to conserve resources and maintain the pool's chemical balance.

Made from resin, the cover is lightweight, making it easy to install and remove. It also incorporates a bubble design, which enhances its thermal insulation capabilities. The cover’s blue color is practical for absorbing sunlight, and its rectangular shape and size make it suitable for large inground or above-ground pools but may not fit non-standard or smaller-sized pools without some adjustment.

The inclusion of 6 heavy-duty grommets adds to its durability, providing extra support for secure placement. This solar cover is UV resistant, ensuring longevity under sun exposure. This product is ideal for pool owners with large rectangular pools who are looking for a straightforward and efficient way to heat their pool while minimizing water and chemical loss.