Best Thermal Blankets for Pools to Extend Swim Season and Save Water
Thermal pool blankets are an efficient way to trap heat, reduce evaporation, and keep pool water cleaner. This guide highlights five top-rated options that work across above-ground and in-ground pools, including heavy-duty 12-mil and 16-mil designs. Read on to compare features, installation, and performance to choose the right blanket for your pool climate and usage.
| Product | Brand | Type/Thickness | Pool Type | Notable Benefit |
|---|---|---|---|---|
| VINGLI 12Mil Solar Pool Cover | VINGLI Store | 12 Mil | Above Ground / Inground | Heat retention and reduced evaporation |
| BigXwell Solar Pool Cover, 16 Mil | BigXwell Store | 16 Mil | In-Ground / Above Ground | Enhanced heat retention in sun and cool weather |
| Goplus Pool Cover, 12 Mil 20×40 | Goplus | 12 Mil | In-Ground / Above Ground | Large-area coverage with bubble design for heat capture |
| Winter Hot Tub Bubble Blanket | Gekufa | 16 Mil | Pool / Spa | Cold-weather insulation and solar heating |
| Evoio Solar Pool Covers | Evoio | 12 Mil | Rectangular Pools | Heavy-duty floating blanket for heat retention |
The following sections break down each option with practical considerations, helping you assess installation ease, durability, and performance in different climates.
VINGLI 12Mil Solar Pool Cover
The VINGLI 12Mil Solar Pool Cover is designed to maximize heat absorption through thousands of micro-bubbles while minimizing water loss via evaporation. The color and bubble orientation are optimized for daylight heating; users should place the bubble side down during operation. The blanket is marketed as easy to install and helps keep debris out of the pool, contributing to lower maintenance. It suits both above-ground and some in-ground pools when sized correctly.
Key considerations include: bubble integrity over time, sun exposure effects on deflation, and compatibility with your pool’s dimensions. Users should measure precisely to ensure a proper fit. This blanket offers a balance of durability and cost for seasonal heating and evaporative control.
BigXwell Solar Pool Cover, 16 Mil
This 16-mil blanket from BigXwell is a heavy-duty option designed to maximize heat retention. The product promises enhanced warmth under full sun and sustained warmth on overcast days or cooler nights. It’s described as suitable for both in-ground and above-ground pools and can be trimmed to fit irregular shapes. The thicker material aims to resist tearing and daily wear, making it a strong choice for frequent use or larger pools where heat retention is critical.
Important factors include ease of cutting and shaping, solvent resistance of the material, and long-term bubble stability. While heavier than typical covers, it offers strong performance for regions with cooler evenings or limited sun exposure.
Goplus Pool Cover, 20×40 Ft Solar Blanket
The Goplus 20×40 foot blanket is a large rectangular option that can cover extensive pool areas, suitable for both in-ground and above-ground setups. It features a blue bubble design intended to capture solar heat efficiently and help regulate water temperature. The size makes it practical for larger pools, hot tubs, or spas, though it may require custom fitting for non-standard layouts. It comes with a carrying bag for portability and storage between seasons.
Considerations include proper sizing, fit around ladders or irregular shapes, and long-term bubble integrity. Users should verify compatibility with their pool dimensions before purchase to ensure optimal heating and evaporation reduction.
Winter Hot Tub Bubble Blanket
The Winter Hot Tub Bubble Blanket is a 16-mil alternative designed for cold-weather insulation and solar heating. It’s described as heavy-duty and suitable for both pool and spa environments. The larger 7×7 foot square format provides ample coverage for hot tubs as well as smaller pool areas when used in combination with other blankets. This option emphasizes insulation during off-season use and acts as a barrier against heat loss when the pool is not in use.
Consider its square shape for spa applications and the balance between heat retention and bulk. For cold-weather climates, this blanket can reduce energy needs while extending swimming opportunities in shoulder seasons.
Evoio Solar Pool Covers
The Evoio option is a rectangular 12×24 foot blanket designed for in-ground and above-ground rectangular pools. It’s described as heavy-duty and floating, with bubble technology that aids heat retention and reduces evaporation. This size is well-suited for mid-sized pools and hot tubs, offering a balance between coverage and manageability. Installation is straightforward, with trimming possible for non-standard shapes. The emphasis is on durability and consistent thermal performance across varying sun exposure levels.
Key takeaways include matching the blanket size to pool dimensions, ensuring bubble side orientation aligns with heating goals, and evaluating whether a mid-range thickness provides the right trade-off between ease of use and heat retention for your local climate.
Buying Guide: Key Purchase Considerations
- Pool size and shape: Choose a blanket that matches or can be trimmed to fit your pool’s exact dimensions. Larger blankets may require cutting, while oversize covers can trap heat if left to drift.
- Material thickness: Thicker blankets (e.g., 16 mil) generally offer better heat retention and durability but can be heavier to handle. Thinner blankets are easier to handle but may wear faster or provide less insulation.
- Heat retention vs. evaporation control: Decide whether your primary goal is raising water temperature, reducing water loss, or both. Some blankets excel at heat capture, while others emphasize evaporation reduction.
- Climate considerations: In cooler climates or shoulder seasons, a heavier mil blanket can extend swimming periods. In hot climates, you may prioritize UV resistance and debris protection in addition to heat retention.
- Installation and maintenance: Look for clear installation guidance, compatibility with pool ladders or features, and ease of storage when not in use. Bubble orientation and sun exposure impact performance.
- Durability and warranty: Heavier mil blankets tend to last longer under regular use. Check for material durability, color fade resistance, and warranty terms from the seller.
- Safety and usage: Ensure the blanket is used according to pool safety guidelines, particularly around children and pets. Do not rely on the blanket as a sole pool safety device.
In summary, selecting the right thermal blanket involves balancing pool size, climate, handling convenience, and desired performance. The five options highlighted above provide a spectrum of thicknesses, sizes, and design features to suit various American pools and seasonal goals.