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 Sun2Solar Blue 20 ft x 40 ft Rectangle Solar Cover is designed for rectangular inground and above-ground pools, offering effective solar heating and protection. Made from durable resin material, this cover features a bubble design that traps heat efficiently, helping raise the pool temperature by up to 15 degrees and retaining warmth overnight. Its blue color is common for solar covers and helps with sunlight absorption. Sized to fit a 20 by 40-foot pool, it provides good coverage and includes extra overlap to fit around any pool protrusions.

The cover also significantly reduces water evaporation—up to 95%—which helps save water and lowers chemical use. It prevents leaves and debris from entering the pool, reducing cleaning efforts. While the cover is lightweight enough for easy installation and removal, it weighs about 40 pounds, which might require some care during handling. The material requires hand washing, so it needs gentle maintenance compared to more durable pool covers.

This product represents a solid choice for pool owners looking for an affordable way to keep water warm using free solar energy, especially if the pool size matches the cover dimensions. For those with non-rectangular pool shapes or who need a cover with enhanced durability or automatic features, it may be beneficial to consider other options.

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.