Best Pool Solar Cover Thickness for Warmer, More Efficient Pools
Choosing the right thickness for a pool solar cover can significantly impact heat retention, evaporation control, and overall pool chemistry. This guide highlights five top options with different mil values to help you compare heat retention, durability, and fit for various pool sizes. The selections emphasize coverage efficiency, ease of cutting, and long-term performance across inground and above-ground pools.
| Product | Thickness (Mil) | Pool Type | Size |
|---|---|---|---|
| Abimars 16 Mil Solar Pool Cover | 16 | Inground & Above Ground | 6′ x 12′ |
| Real Relax Durable 16 Mil Cover | 16 | Inground & Above Ground | 12′ x 24′ |
| BigXwell 16 Mil Solar Pool Cover | 16 | Inground & Above Ground | 12′ x 32′ |
| VEVOR 12 Mil Pool Cover | 12 | Above Ground | 15′ Round |
| In The Swim 12 Mil Solar Cover | 12 | Above Ground & Inground | 18′ x 36′ |
Each option offers distinct advantages in heat absorption, evaporation reduction, and debri protection. The following product sections provide quick, objective details to help you compare thickness, coverage, and suitability for your pool setup.
Abimars 16 Mil Solar Pool Cover
Designed for durability and heat retention, this 16 mil cover uses UV protection and chemical resistance features to extend lifespan while warming water. Its thicker material and anti-curl edges help keep heat in and reduce evaporation, with 6′ x 12′ sizing offering flexibility for smaller pools or irregular shapes. The 16 mil construction generally provides superior insulation compared with standard thinner blankets, benefiting cooler nights and shoulder seasons.
Real Relax Durable 16 Mil Solar Pool Cover
This 16 mil bubble blanket is optimized for heat retention and energy savings. It places bubbles down to absorb solar heat while reducing nighttime heat loss, helping maintain warmer water. The thicker material also acts as a barrier against leaves and debris, contributing to cleaner water and reduced chemical demand. It is suitable for both inground and above-ground pools, with a 12′ x 24′ footprint matching many standard rectangular pools.
BigXwell 16 Mil Solar Pool Cover
BigXwell’s 16 mil cover emphasizes maximum heat retention with thousands of thermal bubbles, designed to trap solar heat efficiently. It’s suitable for both inground and above-ground pools and can be trimmed to fit custom shapes. The durable PE material supports outdoor use, and the 16 mil thickness typically translates to better insulation for cooler days and extended pool seasons.
VEVOR 12 Mil Round Pool Solar Cover
VEVOR’s 15 ft round, 12 mil solar blanket provides a balance between light weight and effective insulation. The round shape makes it ideal for round pools, and the 12 mil thickness offers adequate heat retention while remaining easier to handle. The cover helps minimize evaporation and debris influx, with the flexibility to trim for non-standard shapes where needed.
In The Swim 18′ x 36′ 12 Mil Solar Cover
This 12 mil blanket provides a middle-ground option for warmth and ease of use across larger rectangular pools. Its blue hue helps absorb heat while the 12 mil thickness offers a good balance between durability and manageability. It helps reduce evaporative heat loss at night and can contribute to a longer swimming season in moderate climates.
Buying Guide
Key factors to consider when choosing a pool solar cover thickness include pool size and shape, climate, and how you plan to use the pool. Thicker covers (14–16 mil) generally offer superior heat retention and longer lifespan, especially in cooler regions, but they can be heavier and slower to remove. Thinner covers (8–12 mil) are easier to handle and cheaper upfront, but may require more frequent replacement due to wear and less evaporation reduction.
- Heat retention vs. handling: 12 mil balances ease of use with decent insulation; 16 mil excels in heat retention but is heavier.
- Pool size and shape: Larger or irregular pools benefit from thicker covers that minimize heat loss, while smaller, standard shapes can use 12 mil or mixed thickness blankets efficiently.
- Durability and UV resistance: Look for UV protection, HALS stabilizers, and anti-curl edges to enhance lifespan in sunny climates.
- Evaporation control: Most thicker covers offer superior evaporation reduction, which helps conserve water and chemicals.
- Maintenance and replacement: Consider the ease of handling, cleaning, and whether the cover can be trimmed to fit your pool dimensions.
For best results, match the cover thickness to your local climate and pool usage patterns. In cooler conditions or longer off-season periods, a 16 mil cover can provide noticeable warmth gains and savings on heating costs. In milder climates or for easy handling, a 12 mil option still delivers solid heat retention and debris protection.