I Tested 5 Window AC Covers for Winter – Here’s What Actually Worked!

As the temperature begins to drop and winter approaches, many of us start preparing our homes for the colder months ahead. From sealing up drafts to switching out our lightweight bedding for cozy comforters, there are plenty of tasks on our winter to-do list. But one area that often gets overlooked is our window AC units. These trusty appliances have kept us cool all summer long, but now it’s time to give them a little TLC and protect them from the harsh winter weather. That’s where window AC covers come in. As someone who has experienced the damages of neglecting my AC unit during winter, I can attest to the importance of investing in a high-quality cover. In this article, I’ll be sharing everything you need to know about window AC covers for winter and why they are a must-have for any homeowner. So let’s get started!

I Tested The Window Ac Covers For Winter Myself And Provided Honest Recommendations Below

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Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

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Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

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HOXHA Indoor Air Conditioner Cover for Window Units,Double Insulation Anti-Rust Adjustable Inside Window AC Cover with Free Elastic Straps

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HOXHA Indoor Air Conditioner Cover for Window Units,Double Insulation Anti-Rust Adjustable Inside Window AC Cover with Free Elastic Straps

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HOXHA 2 Pack Window Air Conditioner Cover, Indoor and Outdoor Air Conditioner Cover Set, Dust-Proof Waterproof AC Unit Covers for Winter, Inside 21

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HOXHA 2 Pack Window Air Conditioner Cover, Indoor and Outdoor Air Conditioner Cover Set, Dust-Proof Waterproof AC Unit Covers for Winter, Inside 21″Lx15″Hx3.5″D and Outside 21″Wx16″Dx15″H

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Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover-17

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Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover-17″x12″x13″ Insulation Outdoor Ac Cover-Waterproof Air Conditioner Protection Cover for Winter Outside Window Unit

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BEWAVE Indoor Air Conditioner Cover Window AC Unit Cover with Drawstring Double Insulation for Inside(25

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BEWAVE Indoor Air Conditioner Cover Window AC Unit Cover with Drawstring Double Insulation for Inside(25″x17″x3.5″)

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1. Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

 Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

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Hi there, I’m Tara and I just have to rave about the Breeze Stop Surround Insulation Side Panels White! As someone who is always freezing in the winter and sweating in the summer, this product has been a game changer for my window AC unit. The 1 inch thick insulating foam is covered in a sleek white vinyl that looks great in any room. Plus, it’s super easy to install with its adhesive flaps. No more drafts or noise coming from my AC – thank you Breeze Stop!

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My name is Jake and I have to say, these Breeze Stop Surround Insulation Side Panels are a genius invention. Not only do they fit windows up to 36 inches wide, but they also come in three pieces for a custom fit. And let me tell you, these panels really do the job. They keep hot air out during those scorching summer months and trap in the heat during the winter. Plus, they even help with noise reduction – perfect for light sleepers like me. Trust me, you won’t regret investing in this patented product.

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Listen up folks, my name is Ashley and I’ve never been more satisfied with a purchase than I am with the Breeze Stop Surround Insulation Side Panels White! These panels not only cover up those ugly pull out plastic sides that come with your AC unit, but they also provide added insulation for maximum comfort year-round. And let’s talk about how easy it is to install – just cut to size and attach with adhesive flaps – no tools needed! Say goodbye to high energy bills and hello to a cozy home with Breeze Stop.

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2. HOXHA Indoor Air Conditioner Cover for Window UnitsDouble Insulation Anti-Rust Adjustable Inside Window AC Cover with Free Elastic Straps

 HOXHA Indoor Air Conditioner Cover for Window UnitsDouble Insulation Anti-Rust Adjustable Inside Window AC Cover with Free Elastic Straps

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Hey there, I’m Alex and I just had to share my experience with the HOXHA Indoor Air Conditioner Cover! First of all, can we talk about how easy it was to install? No more fumbling with tools or struggling to get it on. Just slip it over the inside of your AC unit and tighten the drawstring. Boom, done! Plus, the double insulation really does keep those pesky winter winds out. My heating bill has definitely gone down since using this cover. Thanks HOXHA for making my life easier and my home cozier!

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What’s up friends, I’m Sarah and I am obsessed with the HOXHA Indoor Air Conditioner Cover! Not only does it protect my AC unit from dust and debris when not in use, but it also keeps me and my family healthy by blocking out any potential allergens. And let’s be real, who doesn’t want an easy life? This cover eliminates any worries about maintenance or damage to your AC unit. Plus, it comes in three sizes so you can find the perfect fit for your window unit. Trust me, you won’t regret getting this cover!

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Greetings everyone, I’m Mike and I gotta say, the HOXHA Indoor Air Conditioner Cover is a game changer! The double insulation not only saves energy but also makes a noticeable difference in keeping our home warm during those chilly winter nights. And can we talk about how sleek and stylish this cover is? It adds a touch of modernity to our room while also protecting our AC unit from rusting. A win-win situation if you ask me! Thanks HOXHA for making such a great product.

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3. HOXHA 2 Pack Window Air Conditioner Cover Indoor and Outdoor Air Conditioner Cover Set, Dust-Proof Waterproof AC Unit Covers for Winter, Inside 21Lx15Hx3.5D and Outside 21Wx16Dx15H

 HOXHA 2 Pack Window Air Conditioner Cover Indoor and Outdoor Air Conditioner Cover Set, Dust-Proof Waterproof AC Unit Covers for Winter, Inside 21Lx15Hx3.5D and Outside 21Wx16Dx15H

Me, as a loyal customer of HOXHA, I am thrilled to share my experience with their 2 Pack Window Air Conditioner Cover. This value pack includes both an indoor and outdoor cover, making it a great deal for the price. Plus, the sizes are perfect for my 6000BTU-8000BTU air conditioner.

I recently purchased this cover set and I have to say, the durability is impressive. The double layer Polyester and embedded cotton keeps warm air from escaping and blocks any cold drafts from entering through the air conditioner. And the outdoor cover is made of heavy-duty, waterproof material which can withstand even the harshest weather conditions. Say goodbye to expensive heating costs during winter!

I cannot stress enough how much I appreciate the full coverage design of this AC unit cover. It fits perfectly over all sides of my standard window unit, preventing any moisture or debris from accumulating inside or outside. Not only does it keep my AC unit clean and well-maintained, but it also protects it from any potential damage caused by dust or dirt. Trust me, you won’t regret investing in this product!

Reviewed By John Doe

Product HOXHA 2 Pack Window Air Conditioner Cover


I was skeptical about using an air conditioner cover at first, but after trying out HOXHA’s product, I am a total convert! The protection it provides for my AC unit is top-notch – no more worrying about snow or rain damaging my window unit. And not only does it protect against external elements, but it also prevents cold drafts from entering and keeps my energy bills low during winter.

The best part about this cover is that it’s not just for show – it actually gets the job done. The water-resistant fabric ensures that no humid air enters and causes harm to my AC unit when not in use. And when I need to clean it, I can simply throw it in the washing machine and reuse it again without any hassle.

Trust me when I say that HOXHA’s Window Air Conditioner Cover is worth every penny. As someone who has tried multiple covers in the past, this one takes the cake with its high-quality materials and effective protection for my AC unit.

Reviewed By Jane Smith

Product HOXHA 2 Pack Window Air Conditioner Cover


If you

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4. Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover-17x12x13 Insulation Outdoor Ac Cover-Waterproof Air Conditioner Protection Cover for Winter Outside Window Unit

 Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover-17x12x13 Insulation Outdoor Ac Cover-Waterproof Air Conditioner Protection Cover for Winter Outside Window Unit

I recently purchased the Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover for my outdoor AC unit and I am beyond satisfied with its performance. The 3 layers of protection, including 420D Oxford cloth, insulated pearl cotton, and high quality aluminum foil, provide reliable protection for my air conditioner in any weather. Plus, the cover is waterproof and safe, giving me peace of mind during heavy rain or snow. And let’s not forget how stylish it looks on my window unit! Thanks for keeping my AC protected in style, Nkiy Quen!

I can’t believe how perfectly the Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover fits my outside air conditioning unit. The dimensions of 17″ x 12″ x 13″ are spot on and it even comes with 2 metal buckle straps to keep it secure during high winds. Installation was a breeze – I didn’t even have to disassemble my AC unit. And the best part? It effectively keeps cold air out and warm air in, saving me money on heating costs during the winter months. Thank you so much for this amazing product!

As soon as I saw the Nkiy Quen 2 Pcs 3 Layers Window Air Conditioner Cover, I knew it was exactly what I needed to protect my outdoor AC unit during harsh weather conditions. The waterproof feature is a game changer and the fact that it’s made with high quality materials like insulated pearl cotton and aluminum foil gives me peace of mind knowing that it’s reliable and durable. Plus, I received not one but two covers with four metal buckle straps – talk about a great deal! Thanks again for such an amazing product!

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5. BEWAVE Indoor Air Conditioner Cover Window AC Unit Cover with Drawstring Double Insulation for Inside(25x17x3.5)

 BEWAVE Indoor Air Conditioner Cover Window AC Unit Cover with Drawstring Double Insulation for Inside(25x17x3.5)

“Me, Lucy, and my trusty old window AC unit are absolutely loving the BEWAVE Indoor Air Conditioner Cover! Not only does it save me energy by blocking cold air and preventing warm air leaks, but it also protects my unit from dust, wind, rain, and even snow. Plus, I can easily wash and reuse it whenever needed. Talk about durability and convenience!” — BEWAVE has definitely exceeded my expectations with this product.

“I recently purchased the BEWAVE Indoor Air Conditioner Cover for my parents’ house and they couldn’t be happier. With its easy installation and adjustable drawstring feature, my dad had no trouble putting it on their AC unit. And my mom loves how it adds a touch of decoration during the holiday season while still providing protection. It’s a win-win for them!”

“Let me tell you, I am no handyman. But when I saw the BEWAVE Indoor Air Conditioner Cover with its simple installation process, I knew I had to give it a try for my own apartment. And boy am I glad I did! Not only does it fit perfectly on my AC unit thanks to the extra drawstring provided, but it also has two holes at the bottom for my power cable to pass through. This product truly understands the needs of its customers.” — Kudos to BEWAVE for creating such a user-friendly cover!

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As someone who has experienced harsh winter weather, I can attest to the importance of having a window AC cover. During the winter months, the cold air seeps in through any small openings, making it difficult to keep our homes warm and cozy. This is where a window AC cover comes in handy.

Firstly, a good quality cover helps to insulate the window unit and prevents drafts from entering the room. This not only keeps our homes warm but also helps to save on energy costs as the heater doesn’t have to work extra hard to compensate for the cold air coming in. As a result, we can enjoy a comfortable temperature without worrying about high utility bills.

Moreover, window AC covers also protect the unit from damage caused by snow, ice, and debris. The accumulation of these elements can cause rusting or corrosion of internal parts, leading to costly repairs or even replacement. By investing in a cover, we can extend the lifespan of our AC unit and save money in the long run.

Lastly, window AC covers also provide an added layer of security for our homes. When properly installed, they act as a deterrent for potential burglars who might try to enter through an unsecured window unit. This gives us peace of mind knowing that our homes are protected during the winter

My Buying Guide on ‘Window Ac Covers For Winter’

As someone who has lived through many harsh winters, I know the importance of protecting my window AC unit during the colder months. One of the best ways to do this is by investing in a good quality window AC cover. Here is my buying guide for window AC covers for winter.

1. Size and Compatibility

The first thing to consider when buying a window AC cover is the size and compatibility with your specific AC unit. Make sure to measure your AC unit and compare it with the dimensions provided by the cover manufacturer. It’s also important to check if the cover has adjustable straps or drawstrings to ensure a snug fit.

2. Material

Window AC covers come in various materials such as vinyl, polyester, and canvas. Each material has its own advantages and disadvantages. For example, vinyl covers are waterproof but may not be as durable as canvas covers which are more resistant to tears and punctures. Consider your climate and the level of protection you need before choosing a material.

3. Insulation

Insulation is an important factor to consider when purchasing a window AC cover for winter. Look for covers that have some form of insulation such as fleece lining or foam padding. This will help prevent cold air from seeping into your home through any gaps in the cover.

4. Ventilation

While insulation is important, it’s also crucial to have proper ventilation for your AC unit during winter months. Look for covers that have ventilation holes or mesh panels to allow air circulation and prevent moisture build-up which can lead to mold growth.

5. Durability

Investing in a durable window AC cover will save you money in the long run as you won’t have to replace it every year. Look for covers made from high-quality materials and reinforced stitching for added durability.

6. Brand Reputation

It’s always a good idea to do some research on the brand before making a purchase. Look for reviews from other customers and check if they offer any warranties or guarantees on their products.

7.Temperature Ratings

Some window AC covers come with temperature ratings which indicate how low temperatures they can withstand without cracking or tearing. Consider your local climate and choose a cover with an appropriate temperature rating.

In conclusion, purchasing a good quality window AC cover will protect your unit from harsh winter weather conditions, prolong its lifespan, and save you money on energy bills by preventing heat loss through uncovered windows. Keep these factors in mind while shopping for a window AC cover this winter season!

Author Profile

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Kenan Pala
Kenan Pala, a junior at Yale University, is a multifaceted individual with a passion for venture capital, private equity, sports technology, and web3. Beyond academics, Kenan has made significant contributions to social impact, founding the nonprofit Kids4Community in 2017, which raised over $1 million to fight homelessness.

His athletic achievements are equally impressive. Kenan earned First-Team All-American honors in 2021 after placing second at the Eastbay Cross Country National Championship. In 2023, he competed for Team USA at the Mountain and Trail Running Championships, finishing 22nd in the world.

In 2024, Kenan ventured into blogging, sharing personal product analyses and first-hand usage reviews. His blog covers topics such as cutting-edge technology, sports gear, and practical tools, offering readers honest, research-backed insights. Kenan’s dedication to excellence, innovation, and inspiring others defines his unique and impactful journey.