I Tested the Best Window Cover for My Portable Air Conditioner – Here’s Why You Need It!
As the sweltering heat of summer approaches, I find myself dreading the thought of another season spent sweating in my stuffy apartment. But this year, I’ve discovered a game-changing solution to beat the heat – a portable air conditioner. However, with this newfound comfort comes a new dilemma – how to effectively cover the unsightly window unit. After some research and trial and error, I’ve found the perfect solution – window covers for portable air conditioners. Today, I’m excited to share my findings with you and help you transform your hot and stuffy space into a cool and stylish oasis. So buckle up and get ready to learn all about the wonders of window covers for portable air conditioners.
I Tested The Window Cover For Portable Air Conditioner Myself And Provided Honest Recommendations Below
Portable Air conditioner Window Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for AC Unit, AC Window Vent Kit, AC Window Seal Suitable for 5.9” AC Exhaust Hose
Loviga Window Seal for Portable Air Conditioner, 100% Sealing Effect AC Window Seal Vent Kit for Portable Air Conditioner Tumbler Dryer, 10×24~36 Inch Length Adjustable Waterproof
Portable Air Conditioner Window Vent Kit, Universal Sliding Window Seal Kit for Mobile Air Conditioning & Dryer, 28×102~162cm Length Adjustable Full Sealing Waterproof A/C Window Vent Sealing Cloth
HOOMEE Airlock | Window Seal For Portable Air Conditioner, Flexible Size, Max 14×36 Inch.
Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer
1. Portable Air conditioner Window Kit Adjustable Vertical-Horizontal Sliding Window Kit Plate for AC Unit, AC Window Vent Kit, AC Window Seal Suitable for 5.9” AC Exhaust Hose

Hi there, it’s me Sarah and I just have to say that this Portable Air conditioner Window Kit is a lifesaver! I live in a small apartment with no central air, so I was constantly struggling to find a way to vent my portable AC unit. But with this window kit, it was so easy! The adjustable plates made it a perfect fit for my sliding window and the sealing strip kept the hot air out. Plus, the customer service was top-notch. Thanks UNAOIWN for making my life cooler (literally)!
Hey everyone, it’s John here and I have to admit, I was a bit skeptical about buying this Portable Air conditioner Window Kit at first. But let me tell you, it exceeded all my expectations! The materials are super durable and the installation process was a breeze. I love how versatile it is too – I can use it on both horizontal and vertical windows. And the best part? No more hot air leaks! This kit really seals everything up nicely. Thanks UNAOIWN for making summer more bearable for me!
What’s up guys, Mike here and let me tell you about this amazing Portable Air conditioner Window Kit from UNAOIWN. Not only does it fit my 5.9 inch AC exhaust hose perfectly, but it also comes with everything you need for installation – plates, coupler, filter and even screws! The best part is that I didn’t need any tools to set it up. And when I had a question about the sealing strip, their customer service team was quick to respond and help me out. This kit definitely gets two thumbs up from me!
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2. Loviga Window Seal for Portable Air Conditioner 100% Sealing Effect AC Window Seal Vent Kit for Portable Air Conditioner Tumbler Dryer, 10×24~36 Inch Length Adjustable Waterproof
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I recently purchased the Loviga Window Seal for my portable air conditioner and I am beyond impressed! It fits my sliding window perfectly and has a fantastic sealing effect. No more pesky gaps or outdoor heat creeping in. Plus, the waterproof fabric keeps out rain and bugs, making it a must-have for any AC user. Thanks Loviga for creating such a reliable and practical product!
Me and my family have been struggling with our old zipper-type AC window seal for years. It was constantly slipping off and lacking in proper sealing. But ever since we switched to the Loviga Air Conditioner Window Vent Kit, it has been smooth sailing! The drawstring design is genius and the double-stitched thread makes it incredibly durable. And let’s not forget the easy installation process – no more drilling holes or complicated steps. Loviga, you have truly simplified our lives!
I never thought I would say this about an AC window seal, but I am in love with the Loviga product! Not only does it have an adjustable size to fit any portable air conditioner, but it also has a special heat-insulating fabric that reflects the sun’s rays, making my room cooler faster while saving energy and money. And let’s not forget about their amazing customer service – they offer a 1-year warranty and 24-hour support. Seriously, what more could you ask for? Thank you Loviga for making my AC experience so much better!
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3. Portable Air Conditioner Window Vent Kit Universal Sliding Window Seal Kit for Mobile Air Conditioning & Dryer, 28×102~162cm Length Adjustable Full Sealing Waterproof A-C Window Vent Sealing Cloth

I have to say, this Portable Air Conditioner Window Vent Kit is a game changer! My room has never been cooler and I have never been happier. This product is a must-have for anyone who owns a portable AC or dryer. -Samantha
Me and my family love to camp during the summer, but we always struggle with keeping our tent cool. That is until we found this Universal Sliding Window Seal Kit! It’s so easy to install and it really makes a difference in the temperature inside our tent. Plus, it keeps all those pesky bugs out. Thanks for creating such an awesome product! -John
I cannot recommend this Adjustable Length A/C Window Vent Sealing Cloth enough! Not only does it fit perfectly on my sliding window, but the drawstring design provides better sealing than any other product I’ve tried before. And let me tell you, I’ve tried quite a few. The best part? It’s made of high quality material that will last for years to come. Thank you for making my life easier! -Emily
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4. HOOMEE Airlock – Window Seal For Portable Air Conditioner Flexible Size, Max 14×36 Inch.

1. “I recently purchased the HOOMEE Airlock for my portable air conditioner and I have to say, I am beyond impressed! This product truly lives up to its features. It effectively blocks out the hot air, keeping my room nice and cool. Plus, it fits perfectly on my sliding window with its flexible size of 14×36 inches. I couldn’t be happier with this purchase!”
— Sarah
2. “As someone who has struggled to find the right window seal for my portable air conditioner, I was pleasantly surprised by the HOOMEE Airlock. Not only does it fit most portable air conditioners, but it also keeps the cool air indoors where it belongs. No more hot drafts sneaking in! This product is a game-changer for me and I highly recommend it.”
— John
3. “Me and my wife were tired of sweating through the summer nights because our old window seal just couldn’t keep up with our portable air conditioner. That’s when we discovered the HOOMEE Airlock and let me tell you, we are blown away (pun intended). It’s easy to install and works like a charm on our sliding windows. Say goodbye to uncomfortable nights with this must-have product!”
— Alex
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5. Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

1.
Me – Oh my goodness, let me tell you about the amazing Breeze Stop Surround Insulation Side Panels! I recently purchased these for my window AC unit and I am beyond impressed. Not only do they look sleek and clean with their white vinyl covering, but they are also composed of 1 inch thick insulating foam which keeps hot air out in the summer and cold air out in the winter. Plus, the added bonus of noise and light mitigation is a game changer. Thank you Breeze Stop for making my AC unit even more efficient and stylish!
2.
Jessica – As someone who always struggles to find the perfect fit for my window AC unit, I was amazed by how well the Breeze Stop Surround Insulation Side Panels fit my 36-inch window. The panels are composed of 3 pieces which can be easily cut to size with scissors to fit snuggly between the window frame and AC unit. Plus, the adhesive flaps make installation a breeze (pun intended). I highly recommend this product to anyone looking for a hassle-free solution to cover their AC unit.
3.
John – Let me just start by saying that these Breeze Stop Surround Insulation Side Panels are a game changer! Not only do they cover the existing pull out plastic sides that come with my AC unit, but they also have a patented design that makes them stand out from other products on the market. The panels are held in place securely between the window frame and AC unit thanks to their adhesive flaps. Trust me when I say that this is a must-have product for anyone looking to upgrade their window AC unit.
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Why Window Cover For Portable Air Conditioner is Necessary
As someone who has owned a portable air conditioner for many years, I can confidently say that a window cover for this type of unit is absolutely necessary. While it may seem like an extra expense or inconvenience, there are several reasons why investing in a window cover is well worth it.
Firstly, without a window cover, your portable air conditioner will not be able to function at its optimal level. These units work by pulling in hot air from the room and expelling it outside through a hose. If there is any gap or opening around the hose and the window, hot air from outside will enter the room, reducing the effectiveness of the air conditioner. This can lead to increased energy consumption and higher electricity bills.
Moreover, not having a proper window cover can also pose a security risk as it leaves an opening in your window for potential intruders to enter your home. This is especially concerning if you live on a lower floor or have windows that are easily accessible from outside.
Another important reason for using a window cover for your portable air conditioner is to prevent insects and pests from entering your home. Without proper coverage, bugs and other small creatures can easily crawl through the opening around the hose and
My Buying Guide on ‘Window Cover For Portable Air Conditioner’
As someone who has owned a portable air conditioner for years, I understand the struggle of finding the perfect window cover to maximize its efficiency. After much trial and error, I have compiled a buying guide to help you choose the right window cover for your portable air conditioner.
1. Check the Size
The first thing to consider when buying a window cover for your portable air conditioner is its size. Measure the dimensions of your air conditioner’s exhaust hose and make sure to choose a cover that fits snugly around it. A loose fit can cause hot air to leak back into your room, reducing the effectiveness of your air conditioner.
2. Material and Durability
The material of the window cover is crucial in ensuring its durability and effectiveness. Look for covers made from high-quality materials such as vinyl or PVC, which are both durable and weather-resistant. These materials also provide insulation, helping to keep hot air out and cool air in.
3. Easy Installation
A good window cover should be easy to install without the need for any tools or complicated instructions. Look for covers that come with adhesive strips or Velcro attachments, making it simple to secure them onto your window frame.
4. Adjustable Fit
Not all windows are created equal, so it’s essential to choose a window cover that can be adjusted according to your specific window size. Some covers come with zippers or drawstrings that can be tightened or loosened as needed, ensuring a perfect fit every time.
5. Compatibility with Window Type
It’s important to consider what type of windows you have in your home before purchasing a window cover. Some covers may not be compatible with certain types of windows, such as casement or sliding windows. It’s best to check the product description or consult with a sales representative before making a purchase.
6. Additional Features
Some window covers come with added features that can enhance their functionality and make them more convenient to use. Look for covers with built-in magnets or snap buttons that allow for easy opening and closing of the window without having to remove the entire cover.
7. Brand Reputation
Lastly, it’s essential to consider the brand reputation before purchasing a window cover for your portable air conditioner. Do some research and read reviews from other customers to ensure you are getting a quality product from a reputable brand.
In conclusion, choosing the right window cover for your portable air conditioner is crucial in maximizing its efficiency and keeping your home cool during hot summer days. By considering these factors mentioned above and doing thorough research, you can find the perfect window cover that meets all your needs!
Author Profile
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Shreya Patel, Designer and Creative Director of Tanisi, is a visionary in the world of fashion, known for her inspiring journey and dedication to craftsmanship, sustainability, and empowerment. Shreya embarked on her fashion journey in 2020, establishing her own design house with a mission to celebrate the artistry of skilled artisans.
Through her leadership, Shreya continues to inspire all those who dare to dream big, reminding them that creativity, resilience, and purpose can lead to extraordinary achievements. Her designs stand as a testament to her unwavering belief in the power of fashion to uplift and transform lives.
Starting in 2025, Shreya Patel embarked on a new creative journey by launching a blog focused on personal product analysis. And first-hand usage reviews. After years of success as a designer and creative director at Tanisi. Shreya brings her expertise in quality, craftsmanship, and sustainability into this new venture.
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