10 Best Pool Solar Covers 2025 in the United States

The Intex 28015E Solar Pool Cover is designed to fit 18-foot round pools, especially Intex Easy Set and Metal Frame types. Made from durable plastic, it uses air bubbles to capture and transfer the sun’s heat into the pool water, helping to keep your pool warm while reducing water evaporation by up to 95%. This not only conserves water but also cuts down on the chemicals needed to maintain the pool. Its blue color is common for solar covers and helps with heat absorption and UV protection.

The floating design and round shape make it easy to lay on the pool surface, and it’s lightweight at just over 8 pounds, allowing for simple handling during installation or removal. While it reduces debris, it’s not a hard safety cover, so it won’t prevent accidental falls into the pool. The cover is water-resistant and should be cleaned regularly to avoid mildew.

If you have an 18-foot round pool and want an affordable, easy-to-use solar cover that helps keep your water warm and clean while lowering evaporation and chemical use, this product fits those needs well. However, those needing extra thickness or a stronger safety feature might want to explore other options.

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.