The Best Universal Window Seal of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Universal Window Seal of 2022. Check our ranking below.

2,171 Reviews Scanned

Rank No. #1

HOOMEE 400CM (157") Universal Window Seal for Portable Air Conditioner and Tumble Dryer – Works with Mobile Air-Conditioning, Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener

NO MORE HOT AIR INCOMES – HOOMEE window seal keeps the warm air coming from the hose of your portable air conditioner away by locking the hose between the window frame and the window itself. Our window seal leaves out unwanted guests, rain and crates a “closed environment” that keeps your room cool for longer.
INCREASE COOLING PERFORMANCE – Enjoy a cooler environment in summer thanks to HOOMEE! HOOMEE seals around your open window and then zips around the nozzle of your hose and blocks the return flow of warm air, so that your mobile air conditioning unit can be more efficient and cools your room in less time.
REDUCE ENERGY CONSUMPTION - HOOMEE loves the Earth! This window seal contributes to reduce energy consumption and to lower carbon dioxide emissions, which is particularly high in summer due to the massive use of air conditioning. Preventing warm air circulating in your room, HOOMEE window seal helps you save money on electrical bills.
EASY TO INSTALL – NO NEED FOR DRILLING HOLES . You don’t have to buy window kits, adapters for your hose or additional tools. All you need comes with your HOOMEE Window Seal! Simply apply the adhesive hook tape to the inside of your window frame and to the window itself. Attach the window seal to the hook tape. Then, open the zip on the window seal and place your air conditioner hose out of the window. At the end, close the zip tightly around the hose. Simple as it is.
UNIVERSAL - Suitable for all portable air conditioners and tumble dryers regardless of manufacturer. Whether for windows that open to the left or windows that open to the right, bottom hung windows or skylights, HOOMEE Window Seal will do the job. Fits window with a maximum perimeter of 400 CM(157")

Rank No. #2

Gruntbear 300CM Universal Window Seal for Portable Air Conditioner, 118'' Portable AC Window Seal with Zip and Adhesive Fastener Works with Tumble Dryer, Easy to Install, Waterproof Window seal

Move Hot Air Out of Room: This portable air conditioner seal install between the window frame and the window with a hose, effectively expelling the hot air produced by the air conditioner out of the window, keeping the cold air inside and keeping your room cool for a long time
Enhance Cooling Performance & Save Energy: Gruntbear Portable air conditioner window seals are made of durable nylon material, which can effectively block the entry of hot air, let your room cool down quickly in a short time, enhance the cooling performance of AC, help reduce energy consumption, reduce CO2 emissions, save your power consumption and save your money
Waterproof Function: Gruntbear air conditioner seals are made of waterproof nylon material and can also be used in rainy days. Create a cool space for you on sweltering summer days
Easy to Install: No drilling and tools required, everything you need is provided by Gruntbear. Simply tape the AC seal kit to the inside of the window frame and to the window, place the AC hose out of the window, zip it up, and secure with a zip tie. You can open or close the window at any time without removing the window seal
Wide Application: The 300cm Air Conditioning Seal Kit is suitable for both push-out and pull-in window types and will fit windows up to 118 inches in circumference. Suitable for skylights, awning window, casement window, or crank out window that opening to the left or to the right, not suitable for sliding windows, vertical push-pull window, or stereo revolving windows

SaleRank No. #3

Loviga Portable Air Conditioner Window Kit, Window Vent Kit Seal Kit for Portable Air Conditioner Dryer, 10x40~64 Inch Length Adjustable 2022 Upgraded 100% Sealing Waterproof Easy to Install

❄️【Adjustable Universal Size】LOVIGA Portable AC Window Seal Kit size in (Width)10x40~64 inch(Length), length is adjustable from 40~64 inch, matching all portable air conditioners and air dryers, fit horizontal or vertical SLIDING WINDOW ONLY (single-hung and double-hung).
❄️【Better Sealing】Replacing the old zipper design with a drawstring to allow the sealing fabric to snugly fit around the exhaust hose from 1~6 inch, this newly designed AC Vent Kit has an excellent sealing effect of true “0” gap, firmly lock the indoor cool air while also prevent outdoor heat flowing back, keep out rain, mosquitoes bugs etc. Special waterproof TU fabric with heat-insulating whitening process reflects the sun's rays efficiently, fast cooling, real energy-saving and money-saving.
❄️【More Reliable Design】This Air Conditioner Window Vent Kit is specially designed to solve the problems of zipper type whose sealing is lacking, zipper bursting and easy to slip off, and complicated installation. Simplify the design and structurer while improving the reliability of the product. At the same time, we use solid materials, double-stitched thread and widen the Velcro and tape to further enhance the adhesion and sealing, truly durable and practical.
❄️【Easier Installation】 1. open the sliding window about 7.9 inch and put the tape on the window frame 2. put the portable ac window seal along the tape 3. stick the exhaust pipe out of the round hole 4. tighten the cord lock closure and further fix the pipe with the included Velcro ties to complete the installation, no drilling holes, super simple.
❄️【Tips & Customer Service】1. Clean off the dust at the window frame before applying the adhesive. 2. It is best to leave it for 24 hours after installation before use. LOVIGA offers Intimate 1-year warranty and 24-hour customer service.

SaleRank No. #4

Portable Air Conditioner Window Vent Kit, Universal Sliding Window Seal Kit for Mobile Air Conditioning & Dryer, 28x52~102cm Length Adjustable Full Sealing Waterproof A/C Window Vent Sealing Cloth

Adjustable Length: The size of this portable AC window sealing cloth is 11”W * 20.5"~40"L, it can be adjusted to suit the length between 20"~40" of the sliding widows. Matching with all portable air conditioners and dryers. (Note: Please confirm your sliding window length before order)
Better Sealing: Instead of the zipper design, this window seal kit uses a cuff drawstring design to better fit 4"-7" exhaust pipe, equipped with a vel-cro tie, double protection, can make the cuff more firmly lock the exhaust pipe, achieve zero gap sealing affect, greatly improve the cooling performance of air conditioning, cool down the room quickly, and effectively block out heat flows, rain, mosquitoes etc.(Note: The exhaust is not included)
Reliable Design: Our Upgraded A/C Window Vent Seal Kit is specially designed to solve the problems of zipper type whose sealing is poor and zipper bursting. Simple structure while improving the reliability of the product. And it's made of special TU fabric, waterproof and UV protection, heat will not seep through, make your room cool down quickly, reduce energy consumption and save your money.
Long-term Using: Double-stitched sewing, tear-resistant. And the widen vel-cro and tape are great quality with strong adhesion, super easy to attach and the Velcro adhesion both to the window itself and sash to window is very secure. The window seal cover can be removed for washing when it's dirty. Truly durable and practical.
Easy to Install: No drilling and tools required. 1). Open the sliding window about 25cm and clean the dust on the window frame. 2). Measure the four sides of window and cut the vel-cro tapes. 3). Stick the tapes on the window frame, and then put the seal cloth on the tape(The extra length of the sealing cloth can be cut off with scissors, or rolled up and secured with clip). 4). Put the exhaust pipe through the cuff, tighten the drawstring and aid with a velcro tie for further fix the pipe.

Rank No. #5

Loviga 400CM(157") Portable AC Window Seal, Casement Window Vent Kit Seal Kit for Portable Air Conditioner Dryer, 100% Sealing Waterproof Easy to Install for Crank Out/Awning/Skylights Window

【Universal】Whether for skylights, awning windows, casement windows, or crank-out windows that open to the left or to the right (except sliding or hung window), LOVIGA patented portable AC window seal will do the job as long as your window perimeter is less than 400cm/157" (For better understanding, PLEASE REFER TO OUR SIZE CHART PICTURE), If you are not sure what type or size of ac window seal you need, feel free to get in touch with us.
【100% Sealing Effect】LOVIGA innovative drawstring structure design allows the AC Window Seal to snugly fit around the 4.9"~5.9" hose, no additional accessories required to achieve "0" gap sealing effect, firmly locking the cool air inside while also blocking out heat flows, rain, mosquitoes bugs etc. In addition, we also keep a section of the zipper opening to meet your needs for multiple and different size hoses at the same time when is necessary
【More Reliable Design】This Window Seal for Portable Air Conditioners is specially designed to avoid the drawbacks of zipper type whose sealing is poor with gaps, zipper bursting and easy to slip off, and complicated installation. Simplify the design and structure while improving the reliability. At the same time, we use solid materials, double-stitch thread and widen the Velcro and tape to further enhance the adhesion and sealing, truly durable and practical.
【Easier Installation】 The portable AC casement window seal is designed to simplify the installation, no need for window kits, hose adapters, or additional tools, no drilling as well. Just paste the Velcro on the frame then paste fabric on, tighten the drawstring and done.
【Tips You Want To Know】1. Clean off the dust at the window frame before applying the adhesive. 2. The curved side of the AC window seal is attached to the window's outer frame, and the straight side is attached to the inner frame. 3. Starting from the middle of the window frame is recommended. For more details, refer to our INSTALLATION picture please.

Rank No. #6

Portable Air Conditioner Window Kit,2-in-1 Universal Window Seal for 5.1"/5.9" Exhaust Hose and Tumble Dryer,Mobile A/C Window Vent Seal Kit with 4 Adjustable Seal Plate

【Enhanced Sealing】The seamless groove design connects panels via embedded channels, ensuring straight alignment on both sides. This allows perfect installation in window tracks, achieving an airtight seal to maintain a comfortable, cool indoor temperature and improve energy efficiency.
【Universal AC Ventilation Kit】Compatible with 5.1-inch diameter portable AC units. The window vent kit includes: 4 panels 2 diameter adapters Sealing tape Screw accessories,two kit sizes available – please verify required hose length based on your room dimensions.
【Slide Rail Design】Features user-friendly sliding rails for effortless panel adjustment. Simply slide panels to match your window height and secure with wing nuts – no tools required. Suitable for most vertical and horizontal sliding windows.
【Dual-Function Connector】Our latest AC window kit includes an innovative 2-in-1 connector: Inner flange: Fits 5.1" vent hoses (clockwise/counter-clockwise rotation) Outer flange: Compatible with 5.9" exhaust hoses (counter-clockwise/clockwise rotation)
【Easy Installation & Removal】Crafted from premium PVC material, our window seals offer: ✓ Heat resistance ✓ Anti-aging properties ✓ Non-toxic, eco-friendly construction ✓ Reusable for years

Rank No. #7

KWMOEA 400cm/157Is. Universal Window Seal for Portable Air Conditioner and Tumble Dryer. Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener

✅【Easy to Install or remove& No need for drilling holes】 With portable air conditioner window seal kit&｛Stick→Unzip →Place air conditioner hose out→Zip up→Finish ！｝&｛The window can be closed despite window sealing｝
✅【100% High density seal & Save energy and money】Our window seal prevents the warm air exhaust air from returning into the room &｛Reduce energy consumption and electricity bills ｝&｛keep out rain, insects, and mosquitoes.｝& Keep a closed ,cooler comfortable environment in summer
✅【Widely Compatible】Fit with all hose diameters ＋ suitable for portable mobile air conditioners, dryers, exhaust dryers, and dehumidifiers ＋ suitable for air conditioner casement window that have a crank handle whether for outward or inward open ,bottom hung windows and skylight【CANNOT suitable for left and right sliding window , up and down pushing windows】＋Fit window with a maximum perimeter of 400 CM(157”)【If you window is smaller than the max of window seal.It can fold up to use easily】
✅【Why Choose Us?】KWNOEA window seal is high density nano waterproof material & Strong Velcro tape is easy to Install or remove & The window seal have unique zipper and double whipstitch design.
✅Package Content: Window Seal for Air Condition + 24*7 hours prompt after-sales seervice

Rank No. #8

13Ft Car Door Rubber Seal Strip,Silent & Dustproof Rubber Car Window Seal Strip,Universal V-Shaped Self Adhesive Automotive Window Seals Trim with Installation Tool

⭐ 【Excellent Sealing Performance】 The car window seal strip adopts a V-shaped design, which can perfectly embed into the gaps of your car window. The tight sealing effect will greatly improve your driving comfort and pleasure! It has a length of 13.12 feet and a width of 0.6 inches.
⭐ 【Noise Reduction + Blocking Wind and Rain】 If your car windows are always noisy due to large gaps, or are invaded by merciless rain and dust. So choosing our window seal strip will easily solve your problem! It can perfectly fit into the gaps of the car window, blocking the leakage of various small impurities such as wind, rain, dust, and sand.
⭐ 【High End Waterproof Material】 There is no need to fear that adverse weather will cause any harm to it! The car door seal strip is made of imported rubber material, which has excellent flexibility, wear resistance, tensile strength, and is not easy to break or peel.
⭐ 【Widely Applicable】 Universal size design will definitely make you ecstatic! No matter what model it is, it can almost be installed perfectly. Automotive weather stripping are suitable for the front and rear windows of cars, trucks, SUVs, RVs, and vans.
⭐ 【Easy Installation】 1.Wipe the gap of the car window clean and wait for it to dry. 2.Tear off the back glue of the car door rubber seal strip in sections and press it into the window gap one by one (the back glue can be heated with a hair dryer before use). 3.Cut off the remaining car weather stripping. *Please try not to contact with water for 2-3 days after installation, and do not use car windows for 24 hours.

SaleRank No. #9

300CM (118") Portable Dryer Window Vent Kit with 2 Zipper Doors, Universal Casement Window Vent Seal Kit for Mobile Dryer and Air Conditioner, Upgraded Full Sealing Waterproof AC Window Seal Kit

Enhance Cooling Performance: This AC Window Seal Kit can tightly locks the vent hose of your portable air conditioner between the window and window frame, effectively expelling the hot air out of the window, firmly lock the indoor cool air while prevent outdoor hot air flowing back, also keep out rain, mosquitoes, bugs etc.
Wide Compatibility: The window vent seal kit fits windows with a maximum perimeter of 300cm/118in (please measure the perimeter of your opening window to ensure a proper fit ). Works great on horizontal/vertical windows that crank outward or inward opening. Suitable for all portable air conditioners, dryers and dehumidifiers etc. Featured with 4 zipper heads, supports single and dual-vent hose.
Energy Saving In Summer: Our Upgraded A/C Window Vent Seal Kit is specially designed to solve the problems of heat and rain seep, made of special TU fabric, waterproof and UV protection, heat will not seep through, make your room cool down quickly, reduce energy consumption and save your money.
Long-term Using: The Velcro and window seal cover are great quality with strong adhesion, super easy to attach and the Velcro adhesion both to the window itself and sash to window is very secure. The window seal cover can be removed for washing when it's dirty.
Easy to Install: No drilling and tools required. 1. Clean the dust on the window frame first, measure the four sides of window. 2. Cut two sets of 4 Velcro strips - one set for the casement, and one set for the window frame, stick the Velcro trips on a specific side of the casement and the window frame, then attach the window seal cover on the Velcro trips. 3. Open the zip on the window seal and place the exhaust hose out of the window, then close the zip tightly around the hose.

SaleRank No. #10

COOLWIZ Universal Portable Air Conditioner Window Kit,400cm Ac Window Seal Kit with Zip,Ac Unit Window Seal for Crank Out/Awning/Skylights Window

【Premium Waterproof & Weather-Resistant Material】: Made with high-quality, waterproof TU fabric with this window vent kit prevents rainwater, dust, and other outdoor elements from entering. The durable construction ensures long-lasting performance in all weather conditions, providing a better cooling experience even during extreme summer heat.
【Flexible Zipper Design 】: Unlike rigid coupler designs that limit where your exhaust hose can be positioned, our flexible zipper system allows you to place your AC hose at any height. This solves the common problem of misalignment between your air conditioner and window, ensuring perfect compatibility regardless of your AC unit's height or window position. The adaptable zipper creates a perfect seal around exhaust hoses of different sizes.
【Move Hot Air Out of Room】: This portable ac window seal install between the window frame and the window with a hose, effectively expelling the hot air produced by the air conditioner out of the window, keeping the cold air inside and keeping your room cool for a long time，save your power consumption and save your money
【Universal Fit for Multiple Window Types】: The 400cm air conditioner crank out window kit is suitable for both push-out and pull-in window types and will fit windows up to 157 inches in circumference. Suitable for skylights, awning window, casement window, or crank out window that opening to the left or to the right, not suitable for sliding windows, vertical push-pull window, or stereo revolving windows
✨Coolwiz products come with a 2-month warranty covering manufacturing defects. Should any quality issues arise, we provide hassle-free replacements . Contact our customer support team for immediate assistance with your order

Last update on 2025-08-26 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Universal Window Seal?

Do you get stressed out thinking about shopping for a great Universal Window Seal? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Universal Window Seal, which is why we have assembled a comprehensive list of the greatest Universal Window Seal available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Universal Window Seal that you consider buying. Your questions might include the following:

Is it worth buying an Universal Window Seal?
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Why is it crucial to invest in any Universal Window Seal, much less the best one?
Which Universal Window Seal are good in the current market?
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We’re convinced that you likely have far more questions than just these regarding Universal Window Seal, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Universal Window Seal, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Universal Window Seal. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Universal Window Seal buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Universal Window Seal currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Universal Window Seal has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Universal Window Seal?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Universal Window Seal.
Customer Ratings: Number ratings grade Universal Window Seal objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Universal Window Seal.
Product Quality: You don’t always get what you pay for with an Universal Window Seal, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Universal Window Seal is should be an indication of how long it will work out for you.

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The Best Universal Window Seal of 2022 – Reviews & Buying Guide

How Do You Buy The Best Universal Window Seal?

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