solar pool covers efficiency
AIThis post was created with the assistance of artificial intelligence (AI).

When searching for a solar pool cover, your main goal is to maximize heat retention while protecting your pool from debris. The best overall pick is the Sun2Solar Blue 24 ft Round Pool Solar Cover, which offers excellent heat retention and durability at a competitive price. The In The Swim 16′ x 32′ Premium Blue Rectangle Solar Pool Cover stands out for its thicker material, ideal for longer-lasting use. However, tradeoffs include higher costs for premium models and potential difficulty in handling larger covers. Continue reading for a detailed comparison to find the perfect fit for your pool and budget.

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15
compared
9
brands
2
colors
16 mil
max thickness
Which solar pool cover should you buy?
★ Top Pick
Bestway 18′ Round Solar Pool C
Best Overall for Above Ground Pool Owners
Helps retain heat to keep pools warm during cooler months
See on Amazon →
Homeowners with 18-foot pools seeking a simple, budget-friendly cover to reduce evaporation and save water.
Intex Solar Pool Cover for 18f
Highly effective at reducing water evaporation by up to 95%
View on Amazon →
Owners of 18′ x 9′ rectangular pools wanting effective heat retention and debris protection.
Intex Solar Pool Cover for 18′
Reduces water evaporation by 95%, saving resources
View on Amazon →
Owners of larger pools (up to 24 ft.) looking for an affordable, seasonal heat-retaining cover.
In The Swim 24′ Standard Blue
Helps retain heat and extend swimming season
View on Amazon →
Owners of rectangular pools who prioritize durability and longevity over ease of installation.
In The Swim 16′ x 32′ Premium
Heavy-duty 12-mil thickness provides exceptional durability
View on Amazon →
Thickness — compared
In The Swim 24′ Standard Blue 8 Mil
In The Swim 16′ x 32′ Premium 12 Mil
Blue Wave 12×24-ft Oval Solar 8 Mil
Blue Wave 16×32-ft Rectangle S12 Mil
In The Swim 18′ Standard Blue 8 Mil
Sun2Solar Blue 24 ft Round Poo12 Mil
VINGLI 12x24ft Solar Pool Cove12 Mil
In The Swim 21′ Standard Blue 8 Mil
BigXwell Solar Pool Cover16 mil
Real Relax 16 Mil Solar Pool C16 mil
Pros & cons at a glance
Bestway 18′ Round Solar Pool C
✓ Helps retain heat to keep pools warm during cooler months
✗ Limited to pools with a 17 ft. 3 in. diameter; not adjustable for other sizes
Intex Solar Pool Cover for 18f
✓ Highly effective at reducing water evaporation by up to 95%
✗ Designed solely for 18-foot pools, lacks adjustability
Intex Solar Pool Cover for 18′
✓ Reduces water evaporation by 95%, saving resources
✗ Only fits specific dimensions, not adjustable
In The Swim 24′ Standard Blue
✓ Helps retain heat and extend swimming season
✗ Requires trimming for a custom fit, which can be inconvenient
In The Swim 16′ x 32′ Premium
✓ Heavy-duty 12-mil thickness provides exceptional durability
✗ Requires trimming for a custom fit, which can be time-consuming
Blue Wave 12×24-ft Oval Solar
✓ Helps retain heat and extend swim season
✗ Requires manual trimming for a custom fit
Blue Wave 16×32-ft Rectangle S
✓ Enhances solar heating effectively
✗ Requires proper placement for best efficiency
In The Swim 18′ Standard Blue
✓ Helps heat and retain pool water naturally
✗ Limited durability due to 8-mil thickness
Sun2Solar Blue 24 ft Round Poo
✓ Uses solar energy to significantly boost water temperature
✗ Requires sunny weather for optimal results
VINGLI 12x24ft Solar Pool Cove
✓ Helps retain heat and reduce evaporation effectively
✗ Bubble layer may appear deflated initially
VEVOR Solar Pool Cover
✓ Large size offering extensive coverage for various pools
✗ Requires cutting and measuring, which may be inconvenient
In The Swim 21′ Standard Blue
✓ Lightweight and easy to handle
✗ Less durable due to 8mil thickness
BigXwell Solar Pool Cover
✓ Thicker, more durable construction
✗ Limited to rectangular pools of 16×32 ft
Intex 28014E Solar Pool Cover
✓ Simple and quick to install
✗ Only fits 16ft round pools
Real Relax 16 Mil Solar Pool C
✓ Thick, durable material with 16 mil thickness
✗ Requires trimming for irregular shapes

Complete the kit

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Test fo...
EASYTEST 7-Way Pool Test Strips, 150 Strips Water Test fo…
Add to your setup →
AquaChek 7-Way Pool and Spa Test Strips - Silver Pool Tes...
AquaChek 7-Way Pool and Spa Test Strips – Silver Pool Tes…
Add to your setup →
Clorox Pool&Spa My Pool Care Assistant, 50 Test Strips
Clorox Pool&Spa My Pool Care Assistant, 50 Test Strips
Add to your setup →

Key Takeaways

  • Thicker covers, like 12-mil, generally provide better heat retention and durability but come at higher prices and are harder to handle.
  • Round covers typically suit above ground pools, while rectangle covers are better for inground pools, influencing fit and coverage.
  • Price correlates with quality; cheaper covers often have shorter lifespans and less heat retention.
  • Premium options include features like enhanced UV resistance and thicker material, extending the lifespan.
  • Size accuracy is critical; choosing a cover slightly larger than your pool ensures full coverage and better heat management.
2
Intex Solar Pool Cover for 18f
Best Value for 18-Foot Round Pools
1
Bestway 18′ Round Solar Pool C
Best Overall for Above Ground Pool Owners
3
Intex Solar Pool Cover for 18′
Best for Rectangular Pool Owners Needing Heat and Debris Control

Our Top Solar Pool Cover Picks

Bestway 18′ Round Solar Pool Cover for Above Ground PoolsBestway 18' Round Solar Pool Cover for Above Ground PoolsBest Overall for Above Ground Pool OwnersCompatibility: Bestway 18 ft. round frame and steel wall poolsSize: 17 ft. 3 in. diameterMaterial: PolyethyleneVIEW ON AMAZONSee Our Full Breakdown
Intex Solar Pool Cover for 18ft Round Above Ground PoolsIntex Solar Pool Cover for 18ft Round Above Ground PoolsBest Value for 18-Foot Round PoolsPool Size Compatibility: 18-foot round poolsMaterial: PolyethyleneFeatures: Insulates water, reduces evaporation, protects from debrisVIEW ON AMAZONSee Our Full Breakdown
Intex Solar Pool Cover for 18′ x 9′ Rectangular Frame PoolsIntex Solar Pool Cover for 18' x 9' Rectangular Frame PoolsBest for Rectangular Pool Owners Needing Heat and Debris ControlPool Size Compatibility: 18′ x 9′Material: Air bubble polyethyleneWeight: 7.72 poundsVIEW ON AMAZONSee Our Full Breakdown
In The Swim 24′ Standard Blue Round Solar Pool Cover 8 MilIn The Swim 24' Standard Blue Round Solar Pool Cover 8 MilBest for Larger Pools and Seasonal UseSize: 24 feetColor: BlueMaterial: PolyethyleneVIEW ON AMAZONSee Our Full Breakdown
In The Swim 16′ x 32′ Premium Blue Rectangle Solar Pool Cover 12 MilIn The Swim 16' x 32' Premium Blue Rectangle Solar Pool Cover 12 MilBest Heavy-Duty Rectangular Cover for Extended DurabilitySize: 16′ x 32′Material: PolyethyleneThickness: 12 MilVIEW ON AMAZONSee Our Full Breakdown
Blue Wave 12×24-ft Oval Solar Pool Cover 8-Mil BlueBlue Wave 12x24-ft Oval Solar Pool Cover 8-Mil BlueBest for Budget-Friendly Solar Heating and Easy StorageSize: 12×24 ftThickness: 8 MilColor: BlueVIEW ON AMAZONSee Our Full Breakdown
Blue Wave 16×32-ft Rectangle Solar Pool Cover 12-Mil BlueBlue Wave 16x32-ft Rectangle Solar Pool Cover 12-Mil BlueBest for Robust Heating and Long-Term DurabilitySize: 16×32 ftThickness: 12 MilColor: BlueVIEW ON AMAZONSee Our Full Breakdown
In The Swim 18′ Standard Blue Round Solar Pool Cover 8 MilIn The Swim 18' Standard Blue Round Solar Pool Cover 8 MilBest for Easy Handling and Custom Fit in Round PoolsSize: 18 feetColor: BlueMaterial: PolyethyleneVIEW ON AMAZONSee Our Full Breakdown
Sun2Solar Blue 24 ft Round Pool Solar Cover, 12 Mil, Heat Retaining Blanket for Inground & Above Ground PoolsSun2Solar Blue 24 ft Round Pool Solar Cover, 12 Mil, Heat Retaining Blanket for Inground & Above Ground PoolsBest for High-Efficiency Heating and Water ConservationSize: 24 ft roundThickness: 12 MilMaterial: Bubble heating blanketVIEW ON AMAZONSee Our Full Breakdown
VINGLI 12x24ft Solar Pool Cover 12mil Rectangle BlueVINGLI 12x24ft Solar Pool Cover 12mil Rectangle BlueBest for Heavy-Duty Durability and Custom Fit in All Pool ShapesSize: 12×24 ftThickness: 12 MilColor: BlueVIEW ON AMAZONSee Our Full Breakdown
VEVOR Solar Pool Cover, 32 x 16 ft Rectangle Solar Blanket for Pools, BlueVEVOR Solar Pool Cover, 32 x 16 ft Rectangle Solar Blanket for Pools, BlueBest Overall for Custom Fit and VersatilitySize: 32 x 16 ftMaterial: 16 mil PEColor: BlueVIEW ON AMAZONSee Our Full Breakdown
In The Swim 21′ Standard Blue Round Solar Pool Cover 8 MilIn The Swim 21' Standard Blue Round Solar Pool Cover 8 MilBest Value for Budget-Conscious Pool OwnersSize: 21 FeetMaterial: PolyethyleneThickness: 8 MilVIEW ON AMAZONSee Our Full Breakdown
BigXwell Solar Pool Cover, Blue 16-mil 16 x 32 Foot Rectangle for In-Ground PoolsBigXwell Solar Pool Cover, Blue 16-mil 16 x 32 Foot Rectangle for In-Ground PoolsBest for Heavy-Duty Heat Retention and DurabilityMaterial: PEThickness: 16 milSize: 16 x 32 feetVIEW ON AMAZONSee Our Full Breakdown
Intex 28014E Solar Pool Cover for 16ft Round PoolsIntex 28014E Solar Pool Cover for 16ft Round PoolsBest for Simplicity and Targeted FitCompatibility: 16ft round poolsMaterial: PolyethyleneColor: RedVIEW ON AMAZONSee Our Full Breakdown
Real Relax 16 Mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble BlanketReal Relax 16 Mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble BlanketBest for Cost-Effective Heat and Evaporation ControlSize: 16 x 32 ftMaterial: High-quality PEThickness: 16 milVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
solar pool coverMaterialSizeThicknessColor
Bestway 18′ Round Solar Pool CPolyethylene17 ft. 3 in. diameter
Intex Solar Pool Cover for 18fPolyethylene
Intex Solar Pool Cover for 18′Air bubble polyethylene
In The Swim 24′ Standard Blue Polyethylene24 feet8 MilBlue
In The Swim 16′ x 32′ Premium Polyethylene16′ x 32′12 Mil
Blue Wave 12×24-ft Oval Solar Thermal Bubble12×24 ft8 MilBlue
Blue Wave 16×32-ft Rectangle SThermal Bubble16×32 ft12 MilBlue
In The Swim 18′ Standard Blue Polyethylene18 feet8 MilBlue
Sun2Solar Blue 24 ft Round PooBubble heating blanket24 ft round12 Mil
VINGLI 12x24ft Solar Pool CovePE (Polyethylene)12×24 ft12 MilBlue
VEVOR Solar Pool Cover16 mil PE32 x 16 ftBlue
In The Swim 21′ Standard Blue Polyethylene21 Feet8 Mil
BigXwell Solar Pool CoverPE16 x 32 feet16 milBlue
Intex 28014E Solar Pool Cover PolyethyleneRed
Real Relax 16 Mil Solar Pool CHigh-quality PE16 x 32 ft16 mil

More Details on Our Top Picks

  1. Bestway 18′ Round Solar Pool Cover for Above Ground Pools

    Bestway 18' Round Solar Pool Cover for Above Ground Pools

    Best Overall for Above Ground Pool Owners

    View on Amazon

    This cover excels at maintaining warmth and cleanliness for 18-foot above ground pools, using a simple polyethylene sheet that traps heat through the greenhouse effect. Compared to the Intex Solar Pool Cover for 18ft Round Pools, it offers a more tailored fit for specific pool models, but its compatibility limits flexibility. The design minimizes debris accumulation and chemical use, making maintenance easier. However, it’s only suitable for pools with a 17 ft. 3 in. diameter and requires floating placement. This pick makes the most sense for owners who want an affordable, effective cover for a specific pool size without needing adjustable features or extensive durability.

    Pros:
    • Helps retain heat to keep pools warm during cooler months
    • Reduces debris and leaf accumulation, lowering cleanup time
    • Minimizes chemical use by reducing evaporation
    Cons:
    • Limited to pools with a 17 ft. 3 in. diameter; not adjustable for other sizes
    • Requires floating on water surface, which can shift with wind

    Best for: Owners of compatible 18-foot round above ground pools seeking an effective, budget-friendly cover.

    Not ideal for: Pool owners with different sizes or those needing a multi-purpose or adjustable cover, as this model is highly specific.

    • Compatibility:Bestway 18 ft. round frame and steel wall pools
    • Size:17 ft. 3 in. diameter
    • Material:Polyethylene
    Our verdict
    “Ideal for owners of specific 18-foot pools who prioritize affordability and simple heat retention.”
  2. Intex Solar Pool Cover for 18ft Round Above Ground Pools

    Intex Solar Pool Cover for 18ft Round Above Ground Pools

    Best Value for 18-Foot Round Pools

    View on Amazon

    This cover stands out for its high evaporation reduction of up to 95%, making it a cost-effective choice for insulating and protecting 18-foot pools. Compared with the Bestway cover, it’s easier to install and remove, with a focus on maximizing water conservation. It also offers good protection against debris, helping to lower chemical use. Its main tradeoff involves its fixed size, which limits flexibility if your pool’s dimensions are slightly off. The material is durable polyethylene, but a lack of detailed weather resistance info suggests it may need replacement sooner in harsh climates. This option makes the most sense for budget-conscious owners looking for straightforward, effective evaporation control and insulation.

    Pros:
    • Highly effective at reducing water evaporation by up to 95%
    • Easy to install and remove, saving time
    • Protects against debris and leaves, reducing chemical needs
    • Affordable price point
    Cons:
    • Designed solely for 18-foot pools, lacks adjustability
    • May need to be removed during heavy rain or wind to prevent shifting
    • Limited durability information available

    Best for: Homeowners with 18-foot pools seeking a simple, budget-friendly cover to reduce evaporation and save water.

    Not ideal for: Pool owners with irregular or non-standard pool sizes, or those needing a highly durable cover for long-term heavy use.

    • Pool Size Compatibility:18-foot round pools
    • Material:Polyethylene
    • Features:Insulates water, reduces evaporation, protects from debris
    Our verdict
    “Best suited for owners of standard 18-foot pools who want a simple, economical evaporation barrier.”
  3. Intex Solar Pool Cover for 18′ x 9′ Rectangular Frame Pools

    Intex Solar Pool Cover for 18' x 9' Rectangular Frame Pools

    Best for Rectangular Pool Owners Needing Heat and Debris Control

    View on Amazon

    This durable cover is designed for 18′ x 9′ rectangular pools, offering a combination of debris protection, heat retention, and evaporation reduction. Unlike the round covers, it covers a longer, narrower area, making it ideal for rectangular pools. Its lightweight design, combined with a blue air bubble polyethylene surface, simplifies handling and storage. The cover’s ability to reduce evaporation by 95% closely matches the round options, but its fit depends heavily on correct sizing—any mismatch can reduce efficiency. Compared to the circular models, it provides a more tailored fit for rectangular pools, but its durability can vary with weather conditions. This makes it a practical choice for owners with rectangular pools prioritizing energy savings and debris control.

    Pros:
    • Reduces water evaporation by 95%, saving resources
    • Keeps debris out, simplifying maintenance
    • Retains heat effectively for a more comfortable swimming experience
    • Lightweight and easy to handle with included storage bag
    Cons:
    • Only fits specific dimensions, not adjustable
    • Durability depends on weather exposure and proper use
    • Does not include the pool itself, needs to be paired with a pool

    Best for: Owners of 18′ x 9′ rectangular pools wanting effective heat retention and debris protection.

    Not ideal for: Owners of non-rectangular pools or those seeking a universal, adjustable cover for multiple shapes.

    • Pool Size Compatibility:18′ x 9′
    • Material:Air bubble polyethylene
    • Weight:7.72 pounds
    Our verdict
    “A great fit for rectangular pools seeking energy efficiency, with a focus on debris and heat retention.”
  4. In The Swim 24′ Standard Blue Round Solar Pool Cover 8 Mil

    In The Swim 24' Standard Blue Round Solar Pool Cover 8 Mil

    Best for Larger Pools and Seasonal Use

    View on Amazon

    This 8-mil polyethylene cover is designed to extend your swimming season by retaining heat and reducing evaporation across larger pools. Compared with smaller round covers like the Intex 18ft model, it offers increased coverage for 24-foot pools, making it suitable for both above ground and inground pools. Its lightweight design makes handling easier, but the thinner 8-mil material can be less durable under harsh weather, potentially requiring more frequent replacements. While it effectively conserves heat, its trimming requirement for a custom fit can be a drawback for some owners. This cover makes the most sense for owners of larger pools who want a cost-effective solution to extend the swimming season without frequent replacements.

    Pros:
    • Helps retain heat and extend swimming season
    • Reduces water evaporation and chemical use
    • Lightweight and easy to handle
    Cons:
    • Requires trimming for a custom fit, which can be inconvenient
    • May need replacing after seasonal use due to thinner material
    • Effectiveness depends on sunlight exposure

    Best for: Owners of larger pools (up to 24 ft.) looking for an affordable, seasonal heat-retaining cover.

    Not ideal for: Owners of smaller pools or those needing a highly durable cover for year-round use, as the thinner material may wear quickly.

    • Size:24 feet
    • Color:Blue
    • Material:Polyethylene
    • Thickness:8 Mil
    Our verdict
    “A solid choice for larger pools seeking a budget-friendly, seasonal solar cover with decent heat retention.”
  5. In The Swim 16′ x 32′ Premium Blue Rectangle Solar Pool Cover 12 Mil

    In The Swim 16' x 32' Premium Blue Rectangle Solar Pool Cover 12 Mil

    Best Heavy-Duty Rectangular Cover for Extended Durability

    View on Amazon

    This 12-mil heavy-duty polyethylene cover is designed for durability, helping to retain heat and reduce evaporation for rectangular pools up to 16′ x 32′. It’s notably thicker than the 8-mil options, offering increased tear resistance and longer lifespan. Compared with the Intex rectangular cover, it provides extra robustness for owners who face frequent weather shifts or heavy use. The need for trimming to fit can be a minor inconvenience, but the tear-resistant nature justifies it for those seeking longevity. Its ability to keep water warm and reduce resource use makes it well-suited for owners who want a long-lasting, resource-efficient pool cover that can withstand seasonal wear and tear.

    Pros:
    • Heavy-duty 12-mil thickness provides exceptional durability
    • Helps warm pool water naturally and retain heat
    • Reduces water evaporation and chemical consumption
    • Easily trimmed to fit various rectangular pool sizes
    Cons:
    • Requires trimming for a custom fit, which can be time-consuming
    • Heavier than thinner covers, making handling slightly more effort
    • Limited to rectangular pools

    Best for: Owners of rectangular pools who prioritize durability and longevity over ease of installation.

    Not ideal for: Owners of irregularly shaped pools or those seeking a lightweight, easy-to-install cover for casual use.

    • Size:16′ x 32′
    • Material:Polyethylene
    • Thickness:12 Mil
    • Design:Heavy-duty, tear resistant
    Our verdict
    “Best suited for owners needing a rugged, long-lasting cover that can endure seasonal conditions and heavy use.”
  6. Blue Wave 12×24-ft Oval Solar Pool Cover 8-Mil Blue

    Blue Wave 12x24-ft Oval Solar Pool Cover 8-Mil Blue

    Best for Budget-Friendly Solar Heating and Easy Storage

    View on Amazon

    This 8-mil oval cover employs thermal bubble technology to trap solar heat, making it a solid choice for those who want to extend their swimming season without a hefty investment. Compared to the thicker 12-mil options like the Blue Wave 16×32-ft cover, it offers less durability but remains effective for modest heating and evaporation reduction. Its lightweight design simplifies handling and storage, although manual trimming is necessary for a perfect fit, and its performance dips on cloudy days. Its 3-year warranty adds value, but proper storage is key to longevity. This pick is ideal for budget-conscious pool owners seeking basic thermal benefits with minimal fuss.

    Pros:
    • Helps retain heat and extend swim season
    • Reduces water evaporation and debris accumulation
    • Lightweight and easy to trim and store
    Cons:
    • Requires manual trimming for a custom fit
    • Less effective on cloudy or overcast days
    • Durability depends heavily on proper storage

    Best for: Pool owners with small to medium oval pools looking for an affordable, easy-to-store cover that offers decent heat retention.

    Not ideal for: Owners with large, irregularly shaped pools or those living in cloudy climates who need more consistent warmth and durability.

    • Size:12×24 ft
    • Thickness:8 Mil
    • Color:Blue
    • Material:Thermal Bubble
    • Warranty:3 years
    Our verdict
    “This cover suits budget-minded pool owners seeking simple, effective solar heating for small to medium oval pools.”
  7. Blue Wave 16×32-ft Rectangle Solar Pool Cover 12-Mil Blue

    Blue Wave 16x32-ft Rectangle Solar Pool Cover 12-Mil Blue

    Best for Robust Heating and Long-Term Durability

    View on Amazon

    This 12-mil thick rectangular cover offers superior durability and enhanced heat capture, making it a better choice for those who prioritize longevity and higher performance. Compared to the thinner 8-mil options like the Blue Wave oval cover, it provides more consistent heating and better resistance to tears, especially in tough conditions. Its size suits both inground and above-ground pools, but optimal results depend on correct placement and sunlight exposure. The slightly heavier weight requires more effort to handle but translates into longer-lasting performance. Ideal for pool owners seeking a reliable, energy-efficient way to extend the swimming season with minimal maintenance.

    Pros:
    • Enhances solar heating effectively
    • Heavy-duty 12-mil construction improves durability
    • Fits both inground and above-ground pools
    Cons:
    • Requires proper placement for best efficiency
    • Blue color may fade with prolonged sunlight exposure
    • Less effective on cloudy days

    Best for: Pool owners with large inground or above-ground pools who want a durable cover that maximizes solar heating and resists wear over time.

    Not ideal for: Owners with smaller pools or those on tight budgets, as the thicker material and larger size come at a higher cost and handling effort.

    • Size:16×32 ft
    • Thickness:12 Mil
    • Color:Blue
    • Material:Thermal Bubble
    • Pool Type:Inground & Above-Ground
    Our verdict
    “This cover is best suited for pool owners who want a durable, high-performance solar blanket for large pools and are willing to handle a heavier product.”
  8. In The Swim 18′ Standard Blue Round Solar Pool Cover 8 Mil

    In The Swim 18' Standard Blue Round Solar Pool Cover 8 Mil

    Best for Easy Handling and Custom Fit in Round Pools

    View on Amazon

    This 8-mil polyethylene cover is designed for versatility and convenience, offering a lightweight option that’s easy to trim for round pools. Compared to the thicker 12-mil covers like the Blue Wave, it’s less durable but easier to manage, especially for those new to solar covers. It effectively helps to heat and retain pool warmth, reducing evaporation and chemical use, although its performance depends on consistent sunlight and proper trimming. Its durability may be limited by the thinner material, but the ease of handling makes it suitable for DIY pool owners. This cover makes sense for those with smaller or irregularly shaped pools who prioritize ease of installation and storage.

    Pros:
    • Helps heat and retain pool water naturally
    • Lightweight and easy to handle
    • Can be trimmed for a custom fit
    Cons:
    • Limited durability due to 8-mil thickness
    • Requires manual trimming for a perfect fit
    • Performance depends heavily on sunlight exposure

    Best for: Owners of standard 18-foot round pools seeking an affordable, lightweight cover that’s easy to trim and handle.

    Not ideal for: Pool owners with larger or irregular pools requiring a sturdier, more durable cover, or those in cloudy climates needing consistent heat retention.

    • Size:18 feet
    • Color:Blue
    • Material:Polyethylene
    • Thickness:8 Mil
    Our verdict
    “This cover is ideal for round pool owners who want a lightweight, easy-to-manage solution for basic solar heating and evaporation control.”
  9. Sun2Solar Blue 24 ft Round Pool Solar Cover, 12 Mil, Heat Retaining Blanket for Inground & Above Ground Pools

    Sun2Solar Blue 24 ft Round Pool Solar Cover, 12 Mil, Heat Retaining Blanket for Inground & Above Ground Pools

    Best for High-Efficiency Heating and Water Conservation

    View on Amazon

    This 12-mil round cover excels at maximizing solar heat gain, capable of raising water temperature by up to 15 degrees, making it a strong choice for sunny climates. Compared with thinner 8-mil options like the In The Swim cover, its thicker material provides added durability and superior heat retention. It reduces evaporation by up to 95%, conserving water and chemicals, and is suitable for both inground and above-ground pools. Proper installation and trimming are necessary to optimize performance, and reliance on sunny weather limits its use in less sunny regions. This blanket is best for owners seeking significant temperature increases and water savings in steady sunlight conditions.

    Pros:
    • Uses solar energy to significantly boost water temperature
    • Reduces evaporation by up to 95%
    • Suitable for both inground and above-ground pools
    Cons:
    • Requires sunny weather for optimal results
    • May need trimming for a perfect fit
    • Limited to 24 ft round pools

    Best for: Pool owners with sunny climates who want maximum heating efficiency and water conservation for their inground or above-ground pools.

    Not ideal for: Owners in cloudy or unpredictable weather regions who need consistent heat regardless of sunshine, or those with irregular pool sizes not matching the 24 ft round shape.

    • Size:24 ft round
    • Thickness:12 Mil
    • Material:Bubble heating blanket
    • Compatibility:Inground & Above ground
    Our verdict
    “This cover is best for sunny climate pool owners seeking high-efficiency solar heating and water conservation benefits.”
  10. VINGLI 12x24ft Solar Pool Cover 12mil Rectangle Blue

    VINGLI 12x24ft Solar Pool Cover 12mil Rectangle Blue

    Best for Heavy-Duty Durability and Custom Fit in All Pool Shapes

    View on Amazon

    This 12-mil heavy-duty cover provides excellent heat retention and evaporation reduction, crafted for durability and ease of installation across various pool shapes. Compared to lighter 8-mil options like the In The Swim cover, it offers superior tear resistance and longevity, especially in rough conditions. Its size makes it versatile for many pools, and the welded seams enhance durability. However, the thicker material can be more cumbersome to handle and requires scissors for shaping irregular pools. It’s a strong choice for owners who value toughness and long-term performance over ease of handling, though manual effort in fitting may be necessary.

    Pros:
    • Helps retain heat and reduce evaporation effectively
    • Heavy-duty, tear-resistant material
    • Easy to cut and install for custom shapes
    Cons:
    • Bubble layer may appear deflated initially
    • Requires scissors for shaping irregular pools
    • Manual installation can be more effortful

    Best for: Pool owners with irregular or large rectangular pools who need a durable, tear-resistant cover that lasts for multiple seasons.

    Not ideal for: Owners of small, round, or very simple pools who prioritize ease of handling and quick installation over maximum durability.

    • Size:12×24 ft
    • Thickness:12 Mil
    • Color:Blue
    • Material:PE (Polyethylene)
    • Bubble Layer:Yes
    • Resists Tears:Yes
    Our verdict
    “This cover is best suited for owners in need of a tough, long-lasting solution for irregular or large pools willing to handle a heavier product.”
  11. VEVOR Solar Pool Cover, 32 x 16 ft Rectangle Solar Blanket for Pools, Blue

    VEVOR Solar Pool Cover, 32 x 16 ft Rectangle Solar Blanket for Pools, Blue

    Best Overall for Custom Fit and Versatility

    View on Amazon

    This VEVOR solar pool cover stands out for its large size and ability to be customized by cutting to shape, making it a flexible choice for various pool types. Compared with the smaller, round Intex covers, it offers broader coverage and adaptability, especially for irregular or larger pools. Its durable 16mil PE material ensures longevity under sun exposure, but the need to cut for irregular shapes can be a hassle for some users. While it effectively reduces evaporation and boosts water temperature, the lack of specific warranty info and occasional fit issues mean it might require adjustments or replacements over time.

    Pros:
    • Large size offering extensive coverage for various pools
    • Can be cut to fit any pool shape
    • Durable and resistant to sun damage
    • Significantly reduces water evaporation and heat loss
    Cons:
    • Requires cutting and measuring, which may be inconvenient
    • No explicit warranty details provided
    • Potential fit issues if not cut precisely

    Best for: Pool owners with irregular or large in-ground pools seeking a customizable cover that extends swim season.

    Not ideal for: Owners of small, round above-ground pools who prefer a ready-to-apply, no-cut solution like the Intex covers.

    • Size:32 x 16 ft
    • Material:16 mil PE
    • Color:Blue
    • Application:Inground and above ground pools
    • Model Number:Solar Pool Cover
    • UPC:197988391869
    Our verdict
    “This cover is ideal for pool owners needing a customizable, durable option that maximizes heat retention for larger or uniquely shaped pools.”
  12. In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil

    In The Swim 21' Standard Blue Round Solar Pool Cover 8 Mil

    Best Value for Budget-Conscious Pool Owners

    View on Amazon

    Compared with the larger, heavier-duty covers like BigXwell, this 8-mil In The Swim cover offers a cost-effective way to retain heat and reduce evaporation in 21-foot pools. Its lightweight polyethylene makes it easy to handle, but the thinner 8mil material may wear out faster, especially under prolonged sun exposure. While it effectively minimizes water loss and chemical use, the need for manual trimming and limited size options mean it’s best suited for owners with specific pool dimensions who prioritize affordability over long-term durability.

    Pros:
    • Affordable price point
    • Lightweight and easy to handle
    • Reduces evaporation effectively
    • Cut-to-fit design allows customization
    Cons:
    • Less durable due to 8mil thickness
    • Requires manual trimming for perfect fit
    • Performance depends on sunlight availability

    Best for: Owners of 21-foot round pools looking for an economical, easy-to-use solar cover that extends the swimming season.

    Not ideal for: Pool owners with larger or irregularly shaped pools, as the fixed size and thinner material may not provide sufficient coverage or durability.

    • Size:21 Feet
    • Material:Polyethylene
    • Thickness:8 Mil
    • Application:Above ground and inground pools
    • Warranty:3 Years
    Our verdict
    “This cover suits budget-conscious owners with 21-foot pools seeking a simple, effective solution for heat retention and evaporation reduction.”
  13. BigXwell Solar Pool Cover, Blue 16-mil 16 x 32 Foot Rectangle for In-Ground Pools

    BigXwell Solar Pool Cover, Blue 16-mil 16 x 32 Foot Rectangle for In-Ground Pools

    Best for Heavy-Duty Heat Retention and Durability

    View on Amazon

    Compared to the lighter 8mil options like In The Swim, the BigXwell cover’s 16mil thickness provides superior durability and heat-trapping capability, making it better suited for frequent use or harsher sun exposure. Its thermal bubbles further enhance heat retention, even on cloudy days, but the larger size and weight require careful trimming and handling. While it offers excellent evaporation reduction and warmth, it’s limited to rectangular pools of a specific size and doesn’t serve as a physical safety cover.

    Pros:
    • Thicker, more durable construction
    • Excellent heat retention with thermal bubbles
    • Reduces water evaporation by 95%
    • Lightweight and easy to trim
    Cons:
    • Limited to rectangular pools of 16×32 ft
    • Requires trimming for perfect fit
    • Does not provide physical safety or debris cover

    Best for: In-ground pool owners who want a heavy-duty, long-lasting cover that maximizes heat retention and water savings.

    Not ideal for: Owners of irregularly shaped pools or those seeking a lightweight, easy-to-install cover for occasional use.

    • Material:PE
    • Thickness:16 mil
    • Size:16 x 32 feet
    • Shape:Rectangle
    • Color:Blue
    • Thermal Bubbles:Yes
    Our verdict
    “This cover is a strong choice for in-ground pools where durability and maximum heat retention are priorities over ease of handling or shape flexibility.”
  14. Intex 28014E Solar Pool Cover for 16ft Round Pools

    Intex 28014E Solar Pool Cover for 16ft Round Pools

    Best for Simplicity and Targeted Fit

    View on Amazon

    This Intex cover is designed specifically for 16-foot round pools, making it a straightforward choice for owners of that size looking to improve insulation and reduce evaporation. Its simple red design is easy to identify and handle, but its limited compatibility means it can’t serve pools of other shapes or sizes. While it effectively reduces evaporation and debris, it’s less versatile than larger, more adaptable covers like VEVOR or BigXwell, and will need to be removed during swimming sessions.

    Pros:
    • Simple and quick to install
    • Reduces evaporation and debris efficiently
    • Color-coded for easy identification
    • Helps lower chemical usage
    Cons:
    • Only fits 16ft round pools
    • Color may fade over time
    • Must be removed during swimming

    Best for: Owners of 16-foot round Intex pools seeking a dedicated, easy-to-use solar cover for routine heat retention and cleanliness.

    Not ideal for: Owners with different pool shapes or sizes, as this cover isn’t adjustable or compatible with other pool types.

    • Compatibility:16ft round pools
    • Material:Polyethylene
    • Color:Red
    • Dimensions:16 ft diameter
    Our verdict
    “This cover is ideal for owners with 16-foot Intex pools who prioritize ease of use and targeted heat retention.”
  15. Real Relax 16 Mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble Blanket

    Real Relax 16 Mil Solar Pool Cover, 16 x 32 ft Rectangle Bubble Blanket

    Best for Cost-Effective Heat and Evaporation Control

    View on Amazon

    Compared with lighter or smaller covers, this 16mil thick blanket offers substantial durability and excellent heat retention, making it suitable for owners who want a reliable, customizable solution. Its robust construction helps it withstand sun exposure and frequent handling, but it requires trimming for irregular pool shapes, which may be inconvenient for some. While it effectively reduces evaporation by up to 95%, its performance depends heavily on proper installation and handling.

    Pros:
    • Thick, durable material with 16 mil thickness
    • Effective in heat retention and evaporation reduction
    • Easy to cut and customize
    • Good value for the size and thickness
    Cons:
    • Requires trimming for irregular shapes
    • Durability depends on proper handling
    • May need replacement sooner if not handled carefully

    Best for: Pool owners seeking a budget-friendly yet durable cover that can be tailored to various pool sizes and shapes.

    Not ideal for: Owners of irregular or highly shaped pools who prefer ready-to-use covers, or those who want a non-trimmable, plug-and-play solution.

    • Size:16 x 32 ft
    • Material:High-quality PE
    • Thickness:16 mil
    Our verdict
    “This cover is well-suited for budget-minded owners who want a sturdy, customizable blanket to prolong the swimming season.”
solar pool cover
What makes a great solar pool cover
1
Pool Size and Shape
Ensuring the cover fits your pool correctly is essential for maximizing heat retention and avoiding gaps that let heat escape or d
2
Thickness and Material
The thickness, measured in mils, affects both durability and heat retention.
3
Ease of Handling
Larger, thicker covers can be cumbersome to install and remove, especially for one person.
4
Additional Features
Some covers include features like reinforced seams, UV inhibitors, and special heat-retaining layers.
How to choose your solar pool cover
1
How we picked
These solar pool covers were selected based on a combination of performance, build quality, ease of use, and value.
2
Pool Size and Shape
Ensuring the cover fits your pool correctly is essential for maximizing heat retention and avoiding gaps that let heat e
3
Thickness and Material
The thickness, measured in mils, affects both durability and heat retention.
4
Ease of Handling
Larger, thicker covers can be cumbersome to install and remove, especially for one person.
5
Additional Features
Some covers include features like reinforced seams, UV inhibitors, and special heat-retaining layers.
Vetted solar pool cover ·
The best solar pool cover, compared
★ Winner Bestway 18′ Round Solar Pool C
Best Overall for Above Ground Pool Owners
15compared
16 miltop thickness
2colors

How We Picked

These solar pool covers were selected based on a combination of performance, build quality, ease of use, and value. We evaluated thickness (mil rating) for durability and heat retention capacity, as well as size options to ensure proper fit. Usability factors such as ease of handling, installation, and removal were considered, alongside customer reviews for real-world performance. Price was also a key factor, helping to balance affordability with quality. The ranking reflects which options deliver the best overall value for different types of pools and user needs.

Factors to Consider When Choosing Solar Pool Cover

Choosing the right solar pool cover involves more than just picking the biggest or cheapest option. Consider how the cover’s size, thickness, and material quality will impact its lifespan and effectiveness. Your pool’s shape and depth also influence fit and coverage, which in turn affect heat retention and debris protection. Understanding these factors can help you avoid common mistakes like buying an ill-fitting cover or one that wears out quickly. Prioritizing durability and proper sizing often justifies paying a bit more upfront for better long-term performance.

Pool Size and Shape

Ensuring the cover fits your pool correctly is essential for maximizing heat retention and avoiding gaps that let heat escape or debris get in. Round covers are suited for above ground pools, while rectangular covers are better for inground pools. Measuring accurately and choosing a cover that slightly overlaps your pool’s dimensions provides optimal coverage and performance.

Thickness and Material

The thickness, measured in mils, affects both durability and heat retention. Thicker covers (10-16 mil) tend to last longer and retain more heat, but they can be heavier and more difficult to handle. Material quality, including UV resistance and chemical stability, influences how well the cover withstands pool chemicals and sun exposure over time. Investing in higher-quality materials often results in longer-lasting performance.

Ease of Handling

Larger, thicker covers can be cumbersome to install and remove, especially for one person. Look for options with handles or lighter materials if ease of use is a priority. Some covers come with fitting accessories or are designed with lighter, more flexible materials to simplify handling without sacrificing durability.

Price and Longevity

While budget options can be tempting, they often wear out faster and offer less heat retention. Premium covers with thicker material and UV inhibitors tend to last several seasons, providing better value over time. Consider your pool usage frequency and climate to decide if investing in a more durable model makes sense for you.

Additional Features

Some covers include features like reinforced seams, UV inhibitors, and special heat-retaining layers. These enhancements can extend the lifespan and improve performance but usually come at a higher price. Decide which features are genuinely beneficial for your pool environment and long-term maintenance.

Frequently Asked Questions

How do I know what size solar pool cover to buy?

Measuring your pool accurately is the first step. For above ground pools, match the cover size to your pool’s diameter, adding a few inches for overlap to improve heat retention and coverage. For inground pools, measure length and width precisely, then select a cover that slightly exceeds these dimensions. Many brands offer standard sizes, but custom-fit options can provide better coverage and efficiency, especially for irregularly shaped pools.

Can I leave my solar pool cover on overnight?

Yes, leaving your solar cover on overnight can help retain heat and prevent heat loss, especially during cooler nights. Some pool owners prefer to remove the cover during the day to allow evaporation and cooling, then replace it at night for warmth. The key is to balance heat retention with water evaporation and chemical balance, making sure the cover is clean and free of debris before covering the pool again.

How long does a typical solar pool cover last?

The lifespan of a solar pool cover depends on its thickness, material quality, and exposure to the elements. Generally, a well-made cover with 12-mil thickness and UV-resistant material can last 3 to 5 seasons. Cheaper, thinner covers may need replacement sooner, often after just one or two seasons. Proper maintenance, like cleaning and avoiding sharp objects, can extend the life of your cover significantly.

Is a thicker cover always better?

While thicker covers generally provide better durability and heat retention, they can be heavier and more difficult to handle, especially for smaller pools or single users. Thicker covers also tend to be more expensive. For smaller or less frequent use pools, a moderate thickness may be sufficient, whereas larger or year-round pools might benefit from the added durability and efficiency of thicker options.

Should I buy a cover with extra insulation or heat-retaining layers?

Extra insulation or heat-retaining layers can improve the pool’s temperature retention, especially in cooler climates or during shoulder seasons. These features trap more heat and can reduce heating costs. However, they often come with higher price tags and increased weight. For pools in warmer climates or if budget is a concern, a standard cover may suffice, but in cooler areas, investing in enhanced features can pay off in comfort and energy savings.

Conclusion

For most pool owners, the Sun2Solar Blue 24 ft Round Pool Solar Cover offers the best blend of performance, durability, and price, making it the ideal choice for general use. If you prioritize long-term value and durability, the In The Swim 16′ x 32′ Premium Blue Rectangle Cover is a smart investment. Beginners or those with smaller pools should consider lighter, easier-to-handle options like the Intex Solar Pool Cover for 18ft Round Pools. For dedicated pool owners seeking maximum heat retention and longevity, premium models with thicker material and advanced features are worth the extra cost. Tailoring your choice to your pool size, climate, and usage will ensure you get the best results from your solar cover.

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