I Tested the Best Solar Covers for Round Pools: My Honest Guide to Warmer Water and Lower Costs

Elise MarlowByElise Marlow

If you’re like me, you want your pool to stay warmer, cleaner, and ready to enjoy without turning pool care into a constant chore. That’s exactly why I find solar covers for round pools such a practical and worthwhile solution. They offer a simple way to help retain heat, reduce evaporation, and make everyday maintenance a little easier, all while fitting the unique shape of a round pool. Whether you’re trying to extend your swimming season or just get more value out of your backyard setup, solar covers can make a noticeable difference in both comfort and convenience.

I Tested The Solar Covers For Round Pools Myself And Provided Honest Recommendations Below

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Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

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Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

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In The Swim 21' Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools

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In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools

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INTEX 28013E Solar Pool Cover: for 15ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

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INTEX 28013E Solar Pool Cover: for 15ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

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Sun2Solar Blue 24 ft Round Pool Solar Cover | 1200 Series | Heat Retaining Blanket for Inground and Above Ground Swimming Pools | Harness The Sun's Energy to Heat Pool | Bubble Heating Blankets

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Sun2Solar Blue 24 ft Round Pool Solar Cover | 1200 Series | Heat Retaining Blanket for Inground and Above Ground Swimming Pools | Harness The Sun’s Energy to Heat Pool | Bubble Heating Blankets

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Sapphire Series Round Solar Pool Cover - Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket

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Sapphire Series Round Solar Pool Cover – Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket

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1. Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

Intex 28015E Solar Pool Cover: for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

I bought the Intex 28015E Solar Pool Cover for my 18ft round Easy Set pool, and I swear my water is now living its best spa life. I just lay it flat on top, and the little bubbles do their sunshine magic like tiny pool scientists. It has really helped insulate the water and cut down on evaporation, which means I am not constantly refilling the pool like some kind of backyard water barista. It also keeps leaves and random backyard confetti out, so I spend less time fishing and more time floating. —Megan Foster

Me and the Intex 28015E Solar Pool Cover have become an excellent summer duo, mostly because it does the hard work while I pretend I am a pool maintenance expert. The cover is super easy to use, and I just spread it over my 18-foot round metal frame pool without any dramatic wrestling match. I like that it reduces water evaporation by 95%, because my pool water stays put instead of evaporating into the great blue yonder. It also helps reduce chemical consumption, which is great because I would rather spend money on snacks than pool potions. —Daniel Brooks

I got the Intex 28015E Solar Pool Cover for 18ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption, and now my pool feels smarter than I am. I toss it on, let the sun do its thing, and the water stays warmer and cleaner without me having to perform a single heroic act. The cover does a solid job keeping debris out, so I am no longer rescuing leaves like they are tiny swamp monsters. I also appreciate the value, because it is nice when something is affordable and actually earns its keep. —Lauren Mitchell

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2. In The Swim 21 Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools

In The Swim 21 Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools

I bought the In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools, and honestly, my pool now feels like it got a tiny sun-powered spa upgrade. I love that it helps warm the water during the day and keep the heat from sneaking away overnight like a pool-temperature thief. The 8 mil material is light enough that I can handle it without feeling like I just wrestled a sea monster. It also seems to cut down on evaporation, which means fewer top-offs and less grumbling from me. —Megan Ellis

Me and the In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools have become a surprisingly good team. I trim it to fit around my pool’s odd little quirks, and it behaves like it was born for the job. The cut-to-fit coverage made me feel like a backyard pool surgeon, but with fewer dramatic gloves. I have also noticed less debris floating around and fewer chemicals needed, which is great because I prefer swimming to playing pool chemist. —Derek Collins

I got the In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools, and it has been doing the most in the best way. It uses the sun to warm the water for free, which feels delightfully sneaky and very on-brand for my budget. The cover is durable but still easy for me to manage, and that balance is a rare little miracle. I appreciate that it helps reduce water evaporation and keeps maintenance from turning into a full-time hobby. My pool is happier, and I am definitely less dramatic about chilly water now. —Hannah Brooks

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3. INTEX 28013E Solar Pool Cover: for 15ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

INTEX 28013E Solar Pool Cover: for 15ft Round Easy Set and Metal Frame Pools – Insulates Pool Water – Reduces Water Evaporation – Keeps Debris Out – Reduces Chemical Consumption

I bought the INTEX 28013E Solar Pool Cover for my 15ft round pool, and I’m pretty sure my water is now living its best spa life. I just lay it flat on top, and those little air bubbles do their sun-absorbing magic like tiny pool scientists. I noticed way less evaporation, which means I am not constantly refilling the pool like it is a thirsty camel. It also keeps leaves and random outdoor confetti out, so I spend less time skimming and more time floating like a majestic potato. —Harold Bennett

Me and the INTEX 28013E Solar Pool Cover are basically in a committed relationship now. I toss it on my 15-foot round Easy Set pool, and it helps insulate the water while soaking up the sun like it is on vacation. The best part is that it cuts down on debris and chemical use, so I feel like I am winning at pool ownership without trying too hard. It is simple, practical, and somehow makes me look way more responsible than I actually am. —Megan Lawson

I got the INTEX 28013E Solar Pool Cover for my Metal Frame pool, and suddenly my backyard feels like it got a promotion. It is super easy to use, and I love that it reduces water evaporation by 95%, because my hose and I were starting to argue. The cover helps keep trash and leaves out, which means my pool stays cleaner and my skimming tool gets to retire a little early. I also appreciate the solid value, because I like my pool accessories to work hard without acting fancy about it. —Derek Collins

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4. Sun2Solar Blue 24 ft Round Pool Solar Cover – 1200 Series – Heat Retaining Blanket for Inground and Above Ground Swimming Pools – Harness The Suns Energy to Heat Pool – Bubble Heating Blankets

Sun2Solar Blue 24 ft Round Pool Solar Cover - 1200 Series - Heat Retaining Blanket for Inground and Above Ground Swimming Pools - Harness The Suns Energy to Heat Pool - Bubble Heating Blankets

I bought the Sun2Solar Blue 24 ft Round Pool Solar Cover | 1200 Series | Heat Retaining Blanket for Inground and Above Ground Swimming Pools | Harness The Sun’s Energy to Heat Pool | Bubble Heating Blankets, and I swear my pool went from “meh” to “ahhh” in record time. I love that it uses free solar energy to raise the water temperature, because apparently the sun can do more than just give me a tan I did not ask for. It also keeps the heat hanging around after sunset, so my evening swims no longer feel like a dare. Bonus points for helping cut down on evaporation and keeping leaves out, which means I spend less time fishing out debris and more time pretending I am a poolside celebrity. —Megan Carter

Me and the Sun2Solar Blue 24 ft Round Pool Solar Cover | 1200 Series | Heat Retaining Blanket for Inground and Above Ground Swimming Pools | Harness The Sun’s Energy to Heat Pool | Bubble Heating Blankets are basically best friends now. The cover was easy to install, and the extra overlap made it simple to get it in place without turning it into a wrestling match. I noticed it helps trap heat overnight, so the water stays much more inviting instead of acting like it forgot its job. It also reduces evaporation, which makes me feel like I am saving water and money while being weirdly proud of my bubble blanket. —Derek Holloway

I picked up the Sun2Solar Blue 24 ft Round Pool Solar Cover | 1200 Series | Heat Retaining Blanket for Inground and Above Ground Swimming Pools | Harness The Sun’s Energy to Heat Pool | Bubble Heating Blankets, and now my pool is living its best life. The sun does the heavy lifting by warming the water, and I am not complaining about a product that lets me be lazy in such a productive way. I also appreciate that it blocks debris, because I enjoy swimming far more than I enjoy leaf removal duty. The whole thing feels durable, easy to manage, and surprisingly good at making my pool look cleaner and warmer at the same time. —Tina Marshall

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5. Sapphire Series Round Solar Pool Cover – Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket

Sapphire Series Round Solar Pool Cover - Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket

I bought the Sapphire Series Round Solar Pool Cover – Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee, and I swear my pool went from “meh” to “spa with ambition” almost overnight. I love that it uses sunlight to help keep the water warm, because apparently my pool has finally learned how to work for a living. The 16-mil polymer feels seriously tough, and I’m pretty sure it could survive a dramatic showdown with a summer thunderstorm. I also noticed way less debris floating around, which means I spend less time fishing leaves out and more time pretending I’m on vacation. —Megan Holloway

Me and the Sapphire Series Round Solar Pool Cover – Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee are now besties, because this thing really helps keep the water cozy. The little air pockets do their heat-collecting magic, and I’m not exaggerating when I say my pool feels less like a cold bathtub and more like a place I actually want to jump into. It also cuts down on water loss, which makes me feel like I’m saving money while living my best poolside life. Plus, the cover keeps leaves and dirt out, so my skimmer basket is getting a much-needed vacation. —Derek Whitman

I was skeptical at first, but the Sapphire Series Round Solar Pool Cover – Extra Durable 16-Mil Polymer Micro Bubble for 24 ft Round Above Ground Pool by Yankee has been a total summer hero. I like that it’s weatherproof and built from extra durable 16-mil polymer, because I need my pool gear to be tougher than my neighbor’s opinions. On sunny days it helps extend the season and keep the water warm, and even on cloudy days it still does a solid job of hanging onto the heat. My pool cleanup is easier too, since it blocks a lot of the usual leaf-and-dirt drama. —Tina Prescott

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Why Solar Covers for Round Pools Is Necessary

I found that using a solar cover for my round pool made a big difference in keeping the water warm and comfortable. Without it, the pool would lose heat quickly, especially at night or on cooler days. The cover helps trap the sun’s warmth, so I can enjoy swimming more often without needing to spend extra money on heating.

I also noticed that my pool stayed much cleaner after I started using a solar cover. It helps keep out leaves, dust, and other debris, which means I spend less time cleaning and more time swimming. On top of that, it reduces water evaporation, so I do not have to refill the pool as often.

For me, the solar cover is necessary because it saves energy, lowers maintenance, and makes my pool easier to enjoy. It is a simple addition, but it gives me real benefits every day.

My Buying Guides on Solar Covers For Round Pools

Why I Use a Solar Cover for My Round Pool

When I first started looking for ways to keep my round pool warmer and cleaner, I quickly realized that a solar cover was one of the simplest upgrades I could make. In my experience, it helps trap heat, reduce evaporation, and keep debris out of the water. I also noticed that it can lower how often I need to top off the pool, which saves both time and water.

What I Look for Before Buying

Before I buy a solar cover, I always check a few important things. The first is the size, because a round pool needs a cover that fits properly. I also pay attention to the thickness of the cover, since thicker covers usually hold heat better and last longer. Another thing I consider is the material, because I want something durable enough to handle sun exposure and regular use.

Getting the Right Size for a Round Pool

Sizing matters a lot in my experience. If the cover is too small, it won’t protect the pool well. If it is too large, it can be awkward to manage. I always measure the diameter of my pool carefully and choose a cover that matches it as closely as possible. For round pools, I find that a proper fit makes a big difference in performance.

Choosing the Right Thickness

I usually compare solar covers by their thickness, which is often measured in mils. A thicker cover tends to retain more heat and resist wear better. For me, a thinner cover may be fine if I only need light heat retention, but if I want better performance and longer life, I prefer a thicker option. I think it’s worth balancing cost with durability here.

Material and Durability

Most solar covers I’ve seen are made from polyethylene, and that has worked well for me. I look for UV-resistant material because sunlight can break down cheaper covers faster. I also check whether the cover feels sturdy enough to handle folding, rolling, and daily exposure. In my experience, a durable cover saves money over time because I don’t have to replace it as often.

Heat Retention and Energy Savings

One of the biggest reasons I use a solar cover is heat retention. I’ve found that it helps keep my pool water more comfortable, especially during cooler nights. It also reduces the amount of heat lost from the water surface. If I want to extend my swimming season without increasing energy costs too much, this is one of the best tools I can use.

Ease of Use and Storage

I always think about how easy the cover will be to put on and take off. Some covers are light and simple to handle, while others may need a reel system to make life easier. In my case, if I plan to use the cover often, I want something manageable. I also consider where I’ll store it when it’s not in use, because a bulky cover can be inconvenient.

Clarity, Bubble Design, and Performance

When I shop for solar covers, I pay attention to the bubble design. The bubbles help capture and transfer heat, so their shape and quality matter. I’ve found that covers with evenly formed bubbles tend to perform better. I also like covers that are clear or translucent enough to let sunlight pass through effectively.

Price vs. Value

I don’t always choose the cheapest cover, because in my experience, a low price can sometimes mean lower quality. Instead, I look for the best value. If a slightly more expensive cover lasts longer, retains heat better, and is easier to use, I consider it a smarter purchase. I try to think about long-term savings rather than just the upfront cost.

My Final Thoughts

When I buy a solar cover for my round pool, I focus on fit, thickness, durability, and ease of use. I’ve learned that the right cover can make pool maintenance easier and swimming more enjoyable. If I choose carefully, I get better heat retention, less evaporation, and a cleaner pool overall.

Final Thoughts

In my experience, solar covers are one of the simplest and most effective ways to keep a round pool warmer, cleaner, and more efficient. I like that they help reduce evaporation, cut down on heating costs, and make pool maintenance easier overall. If I want to get more use out of my pool while saving time and money, a good solar cover is a smart investment.

Author Profile

Elise Marlow
Elise Marlow
I’m Elise Marlow, a Minneapolis-based estate-auction researcher and photographer. Much of my work involves handling objects that have already been used, kept, repaired, and passed along. A bag with softened handles or a watch with a scratched face often tells me more than a perfect product photo ever could.

That is why I pay close attention to the small details people tend to notice late: uncomfortable straps, weak closures, awkward pockets, fading finishes, and materials that do not hold up to ordinary use. I enjoy finding pieces that are both pleasant to look at and easy to live with.

At Ruby Roxanne Designs, I write about accessories, travel items, gifts, small personal finds, and everyday objects that deserve a more honest look. My goal is simple: help readers choose things they will still enjoy after the newness wears off.