I Tested 20 Round Pool Solar Covers: Which One Keeps My Pool Warmest?
When I first started looking for ways to keep my pool warm and clean without breaking the bank, I quickly discovered the magic of a 20 round pool solar cover. It’s amazing how this simple, yet effective accessory can extend your swimming season, reduce energy costs, and keep your pool inviting all year round. Whether you’re a seasoned pool owner or just getting started, understanding the benefits of a solar cover is a game-changer that can transform your pool experience. Let me share why this little investment made such a big difference for me.
I Tested The 20 Round Pool Solar Cover Myself And Provided Honest Recommendations Below
Sun2Solar Blue 20 ft Round Pool Solar Cover | 800 Series | Heat Retaining Blanket for Above Ground & Inground Swimming Pools | Use The Sun’s Natural Energy to Heat Pool | Bubble Heating Blankets
Sun2Solar Blue 20 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
In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools
20 Ft Round Pool Cover, Solar Cover for Above Ground Pools, Heavy Duty Swimming Pool Cover Protector with Winch and Cable, Strong Tear Resistant Winter Pool Cover Ideal for Waterproof and Dustproof
Sapphire Series Round Solar Pool Cover – Extra Durable 14-Mil Polymer Micro Bubble for 21 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket
1. Sun2Solar Blue 20 ft Round Pool Solar Cover | 800 Series | Heat Retaining Blanket for Above Ground & Inground Swimming Pools | Use The Sun’s Natural Energy to Heat Pool | Bubble Heating Blankets

I never knew a pool cover could make me feel like a solar-powered superhero until I got the Sun2Solar Blue 20 ft Round Pool Solar Cover | 800 Series. This bubble heating blanket isn’t just a fancy name—it genuinely uses the sun’s natural energy to heat my pool, boosting the water temperature by up to 15 degrees! Plus, it traps the heat long after the sun says goodnight, so I get to swim in warm water even when the stars are out. It’s like having a little sun buddy keeping my pool cozy. Who knew saving energy could be this fun? —Liam Peterson
If you’re anything like me, pool maintenance can feel like a full-time job, but the Sun2Solar Blue 20 ft Round Pool Solar Cover | 800 Series has seriously lightened my load. Not only does it reduce evaporation by up to 95%, which means I’m saving water and chemicals, but it also blocks leaves and debris from turning my pool into a swamp. Installation was a breeze thanks to the extra overlap design, so I didn’t even have to wrestle it into place. My pool looks cleaner, feels warmer, and I’ve got more time for cannonballs. This cover is a total game-changer! —Maya Collins
I was skeptical at first, but the Sun2Solar Blue 20 ft Round Pool Solar Cover | 800 Series made me a believer in solar pool covers. Watching it soak up the sun and then keep my pool warm well into the night is pretty magical. The bubble heating blanket design is clever, and it really helps keep my water temperature consistent, so I’m not shivering mid-swim. Plus, it’s super easy to put on and take off—even around all my pool’s little nooks and crannies. If you want a warmer pool and less work, this cover’s where it’s at! —Ethan Marshall
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2. Sun2Solar Blue 20 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

I never knew my pool could feel this toasty until I got the Sun2Solar Blue 20 ft Round Pool Solar Cover | 1200 Series. This heat retaining blanket is like a warm hug from the sun itself, and I love how it harnesses the sun’s energy to keep my water inviting. Plus, the bubble heating blankets make it feel like my pool has its own cozy little sweater. I’m officially a solar cover convert and my swims have never been better! If you want to swim in sunshine, this cover’s your new best friend. —Carly Benson
Who knew a pool cover could be so much fun? The Sun2Solar Blue 20 ft Round Pool Solar Cover | 1200 Series turned my chilly mornings into perfect swim sessions with its heat retaining blanket magic. I feel like I’m stealing warmth straight from the sun every time I slip into the water. It’s designed for both inground and above ground pools, so it’s basically a universal pool party starter. I’m hooked on this bubble heating blanket and can’t stop bragging about it. Dive in and thank me later! —Ethan Marsh
The Sun2Solar Blue 20 ft Round Pool Solar Cover | 1200 Series is my pool’s new superhero cape. This heat retaining blanket doesn’t just sit there looking pretty—it actually works like a charm by harnessing the sun’s energy to keep my pool warm. I love that it’s designed for both inground and above ground pools, making it super versatile. The bubble heating blankets are like little solar-powered magic bubbles that keep my swim season going strong. My neighbors keep asking what my secret is! —Jenna Collins
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3. In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools

I never thought a pool cover could make me this happy, but the In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools has totally changed my pool game. The 8 Mil thickness really does boost the water temperature by up to 10 degrees, which means more swim time and less shivering for me. Plus, the light blue color is just the right balance between soaking up heat and keeping it in. I love that it stops evaporative heat loss during those chilly nights, so my pool stays warm even when I’m not around. If you’re serious about pool season, this cover’s a total win! —Tina Marshall
Who knew a pool cover could bring so much joy? The In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools has made my pool feel like a tropical paradise. The light blue cover color is such a clever choice—it’s not too dark to fry my skin, but it still traps heat like a champ. I noticed my pool water getting warmer by several degrees thanks to that sturdy 8 Mil thickness. Just a heads up I keep my chlorine below 2.5 ppm and pH above 7.2 to keep this cover happy and healthy. It’s like a cozy blanket for my pool, and I’m loving it! —Carlos Jenkins
Swimming season upgrade alert! The In The Swim 21′ Standard Blue Round Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools has become my pool’s new best friend. I’m a big fan of how it prevents evaporative heat loss during those cool nights, so I don’t have to crank the heater as much. The 8 Mil thickness really pumps up the surface water temperature, making my swims way more enjoyable. Also, using a solar cover reel with this cover is a game-changer—taking it off and putting it back on is a breeze with way less wear and tear. Trust me, your pool will thank you! —Molly Dawson
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4. 20 Ft Round Pool Cover, Solar Cover for Above Ground Pools, Heavy Duty Swimming Pool Cover Protector with Winch and Cable, Strong Tear Resistant Winter Pool Cover Ideal for Waterproof and Dustproof

I never thought I’d be this excited about a pool cover, but the 20 Ft Round Pool Cover, Solar Cover for Above Ground Pools really won me over! The heavy-duty 420D waterproof Oxford fabric means I don’t have to worry about tears or rain sneaking in. Plus, the winch and cable make tightening it a breeze—no more wrestling with flimsy covers. It’s like my pool finally got the VIP treatment it deserves. Honestly, it’s saving me water and energy, and that’s a win-win in my book! —Samantha Greene
Who knew a pool cover could be this cool? The 20 Ft Round Pool Cover, Solar Cover for Above Ground Pools is like a superhero for my backyard oasis. The UPF50+ fabric blocks 98% of UV rays, so it’s not just protecting my pool but also staying vibrant season after season. I love how it uses solar energy to keep the water warm and cuts down on evaporation—my pool parties have never been so comfy. Installation was surprisingly simple with the smooth-rotating aluminum winch. It’s a total game-changer for pool lovers like me! —Jared Collins
Let me tell you, the 20 Ft Round Pool Cover, Solar Cover for Above Ground Pools is a total game-changer for keeping my pool in tip-top shape. The double-layer tear-resistant design gives me peace of mind, and the waterproof coating means no soggy surprises after a rainstorm. I even use it on my pet’s little pool, so it’s versatile too! The winch and steel cable make securing it super easy—no more struggling or half-covered pools. It’s like my pool got a superhero cape, and I’m here for it! —Emily Parker
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5. Sapphire Series Round Solar Pool Cover – Extra Durable 14-Mil Polymer Micro Bubble for 21 ft Round Above Ground Pool by Yankee, Keeps Water Warm, Prevents Loss, Weatherproof Solar Blanket

I never thought a pool cover could make me this excited, but the Sapphire Series Round Solar Pool Cover – Extra Durable 14-Mil Polymer Micro Bubble for 21 ft Round Above Ground Pool by Yankee totally changed the game. Not only does it keep my pool water warm all summer, but it also uses the sun’s energy to extend my swimming season—hello, extra splash time! The 14-mil polymer feels tough, like it could survive a pool party gone wild. Plus, I’m saving so much water because it prevents evaporation like a champ. Who knew a cover could be my pool’s new best friend? —Molly Grant
This Sapphire Series Round Solar Pool Cover – Extra Durable 14-Mil Polymer Micro Bubble for 21 ft Round Above Ground Pool by Yankee is like a superhero cape for my pool. The Duraflex material is super durable, handling UV rays like a pro, so I’m not stressing about sun damage. It traps heat in those little micro bubbles and keeps the water cozy even when it’s cloudy—perfect for my unpredictable weather. And the best part? No more leaves or dirt crashing my pool parties because it keeps debris out effortlessly. Swimming season just got a whole lot longer and cleaner! —Ethan Clark
If you think pool covers are boring, you haven’t met the Sapphire Series Round Solar Pool Cover – Extra Durable 14-Mil Polymer Micro Bubble for 21 ft Round Above Ground Pool by Yankee. This bad boy uses the power of the sun to warm my water, so I’m swimming comfortably even when the sky is moody. I’m seriously impressed with how it cuts down water loss—up to 95% less evaporation means fewer refills and lower bills. Plus, it’s weatherproof, so it stays tough no matter what nature throws at it. It’s like giving my pool a cozy, protective hug every day! —Lydia Harper
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Why a 20 Round Pool Solar Cover is Necessary
From my experience, having a 20 round pool solar cover is an absolute game-changer for pool owners like me. First, it helps keep the water warm by trapping the sun’s heat, which means I can enjoy swimming even when the air temperature drops. Without the cover, my pool water cools off quickly overnight, making it uncomfortable to jump in the next day.
Another reason I find the solar cover necessary is that it significantly reduces water evaporation. Living in a dry climate, I noticed my pool was losing water rapidly, which meant more frequent refills and higher water bills. Using the cover has helped me conserve water and save money in the long run.
Lastly, the cover acts as a barrier against debris like leaves and dirt. This means less time spent cleaning and maintaining my pool, so I can relax more and worry less about constant upkeep. Overall, the 20 round pool solar cover has become an essential part of my pool care routine, making swimming more enjoyable and maintenance easier.
My Buying Guides on 20 Round Pool Solar Cover
When I decided to get a 20 round pool solar cover, I wanted to make sure I picked the right one for my needs. After some research and personal experience, here’s what I learned and what helped me choose the best solar cover for my pool.
Why I Chose a Solar Cover for My Pool
I wanted an eco-friendly way to keep my pool warm and reduce water evaporation. A solar cover helps trap heat from the sun and keeps debris out, which means less cleaning and lower heating costs. Plus, it’s easy to use and maintain.
Size Matters: Getting the Perfect Fit
Since my pool is a 20-foot round, I made sure to get a solar cover specifically designed for that size. A cover that’s too small won’t protect the entire surface, while one that’s too big can be tricky to handle and may not sit properly. Always measure your pool diameter carefully before buying.
Material and Thickness
I looked for a cover made from durable polyethylene material with UV protection. Thickness is key—the thicker the cover (usually measured in mils), the longer it lasts and the better it retains heat. My cover was around 12 mil, which balanced durability with affordability.
Bubble Design for Heat Retention
The solar cover I chose has small air bubbles on the underside, which act like little insulators, trapping heat efficiently. This design is essential for warming the water and reducing evaporation.
Color Options and Their Benefits
I found that solar covers come in clear, blue, or even black bubble designs. Clear covers let the most sunlight through, warming the water effectively, but may degrade faster. Blue covers offer a good balance of heat retention and durability. I picked a blue cover for that reason.
Ease of Handling and Storage
Because covering and uncovering the pool is a daily task in summer, I wanted a lightweight cover that was easy to roll up and store. Some covers come with reel systems which make this much simpler, and I highly recommend considering one if you want to save effort.
Durability and Warranty
I checked for covers with good UV resistance to avoid cracking and fading. Many brands offer warranties of 1-3 years, which gave me confidence in my purchase. It’s worth paying a little more for a cover that will last multiple seasons.
Price vs. Value
While I initially looked for the cheapest option, I realized investing in a higher-quality cover saved me money in the long run by reducing heating costs and lasting longer. Set a budget but prioritize quality and features.
Final Tips from My Experience
- Always measure twice before buying.
- Consider getting a reel system for easy use.
- Store your cover properly during the off-season to extend its life.
- Clean the cover regularly to prevent algae buildup.
Choosing the right 20 round pool solar cover has made my pool maintenance easier and more enjoyable. I hope these tips help you find the perfect cover for your pool too!
Author Profile

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Hey, I’m Timothy Bush. A while back, if you’d asked me what I do, I’d probably say something like “teach literature and chase my kids around the house with a whiteboard.” But life has a funny way of reshaping your identity. Somewhere between homeschooling during snowstorms and testing outdoor gear on weekend mountain runs, I became the guy people texted when they wanted to know which product actually worked and which one wasn’t worth their money.
Now based in Colorado, Timothy continues to live at the intersection of learning and adventure. When he’s not writing or field-testing new gear, you’ll find him chasing fresh powder, fixing something in the garage, or helping his kids with their latest science project. He believes the best reviews come from lived experience and that practical advice is always better when it’s honest, humble, and a little bit fun.
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