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10 Best Window Kits for Portable AC: Top Picks for 2025
Finding the best window kit for portable AC can be a game-changer for those sweltering summer months. These kits are designed to provide an efficient way to vent hot air out of the window while keeping your indoor space cool and comfortable. If you’re in the market for one, you’re in luck! We’ve researched and compiled a list of the top 10 window kits available on Amazon for 2025. Each product is assessed based on its features, usability, and overall customer satisfaction.
Top 10 Window Kits for Portable AC
1. TOSOT 5.9″ Portable Air Conditioner Window Kit
Amazon Product Title: TOSOT 5.9″ Portable Air Conditioner Window Kit
No products found.
The TOSOT window kit is a versatile solution that fits most window types. With a robust build and universal fit, it ensures a tight seal against the elements while allowing your portable AC unit to function optimally. The kit includes all the necessary installation hardware, which simplifies the setup process.
Pros:
– Easy to install
– Fits various window sizes and types
– Durable materials ensure a long lifespan
Cons:
– May require additional tools for some installations
– Limited aesthetic appeal for some users
2. SereneLife Portable Air Conditioner Window Kit
Amazon Product Title: SereneLife Portable Air Conditioner Window Kit
- WINDOW KIT: UNAOIWN AC window vent kit includes 4 plates, 5.9 diameter duck coupler, a filter, 4 screw accessories (THIS KIT WITHOUT AC HOSE AND A/C UNIT). It applies to air conditioning 5.9inch vent hose (whether it is a clockwise or counterclockwise air-conditioning exhaust hose). Great for most portable air conditioners in the market.
- DURABLE MATERIALS: UNAOIWN window seal kit is made of high-quality PVC, which anti-extrusion, anti-aging, and can be used year after year. Simple and stable fixing method for install and disassemble easily, suit for using in home or office. Easy to store, and save space.
- VERTICAL & HORIZONTAL USE: It is suitable for most vertical and horizontal sliding window. You can make any combination according to the size of the window: use a 2-board combination, a 3-board combination or a 4-board combination. It is convenient to use in any place. No tools required, our AC exhaust kit is easy to slide the sealing plate and quickly lock. Adjustable length range: 17 inches or 27inch to 65 inches.
- EXCELLENT SEALING PERFORMANCE: There is a gap between the fixed plate and the adjustable plate because the adjustable plate needs to be inserted into the fixed plate. Therefore, the SEALING STRIP IS A MUST. Our air conditioner sealing plate set includes a 3.5M sealing strip; The sealing strip is attached to the connection between the sliding window and the plate, which can keep your room cool at all times, effectively isolate the hot air from entering and save power.
- EXCELLENT USER GUIDE SERVICE: We are committed to solving any problems that may occur. 24 hours online customer service, so that you are 100% satisfied. Please feel free to buy any goods from us.
The SereneLife window kit is designed for convenience and ease of use. It features an adjustable design that fits windows up to 48 inches. This kit also includes a foam seal for added insulation, helping to minimize energy loss when your air conditioning unit is running.
Pros:
– Adjustable width up to 48 inches
– Excellent insulation with an additional foam seal
– Lightweight and easy to handle
Cons:
– May not fit oversized windows
– Some users found the instructions unclear
3. C-HR Portable Air Conditioner Window Kit
Amazon Product Title: C-HR Portable Air Conditioner Window Kit
- ❄️【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.
This C-HR window kit is a popular choice among users for its customizable fit. It can extend to cater to various window sizes, ensuring a nearly airtight closure that keeps hot air from entering your living space. Constructed from high-quality plastic, this kit is built to last.
Pros:
– Customizable design for various window sizes
– High-quality plastic construction
– Economically priced
Cons:
– Limited instructions for installation
– Some experienced difficulty with securing it tightly
4. HOMCOM Sliding Window Portable AC Kit
Amazon Product Title: HOMCOM Sliding Window Portable AC Kit
- Please read the product size and model carefully before buying to avoid unnecessary trouble.【ANTI-CLOCKWISE UNIVERSAL FIT】 Our Portable AC exhaust hose Kit has an anti-clockwise thread direction so make sure to check this is correct for your portable AC before purchasing. The diameter of our AC hose is 5.9 inches/ 15CM, the length has for 1.5m/59".
- JENCEAILL Our Portable AC exhaust hose is anti-clockwise thread direction so make sure to check this is correct for your AC before purchasing. The diameter of our AC hose is 5.9 inches. Suitable for almost all vertical and horizontal sliding windows or door, And freely stretched & adjustable. Maximum adjustable length:16.9"-62.1".
- 【ANTI-CLOCKWISE UNIVERSAL FIT & ADJUSTABLE】: JENCEAILL 10-piece portable ac window kit includes 4 * 43cm/16.9" Seal Plate, 1 * 59 Inches Exhaust Hose, 1* Exhaust Hose Coupler/Adaptor, 1* Coupler Filter (Diameter 15cm/5.9Inch), 1 * 16 Feet Sealing Tape, 3 * Screws.
- 【EASY TO INSTALL & DISASSEMBLE】:JENCEAILL Fits for window or sliding door, Simply Embed the seal panel into the window track and clamp them, also coming with 16 Feet the weather stripping to be posted at the connection between the window and seal panel for strengthening sealing to achieve a good sealing effect. preventing hot air from entering, and saving power.
- 【GREAT SEALING】:JENCEAILL portable ac window vent kit keeps your room cool for longer and saving power. The effectively diffuse the hot air out of the window, meanwhile 16 Feet Sealing Tape preventing warm air circulating in your room.Material of PVC and ABS Coupler,AC exhaust hose Material of PP, which does not deteriorate easily and can be used year after year.
The HOMCOM sliding window kit offers a sleek and modern design that is perfect for contemporary homes. This window kit fits sliding windows and includes a simple installation guide that helps set it up without hassle. It also includes extra sealing material to enhance insulation.
Pros:
– Sleek design suitable for modern homes
– Comes with sealing materials for better insulation
– Comprehensive installation guide
Cons:
– Only fits sliding windows
– Installation may require an extra set of hands
5. EcoAir Portable AC Window Seal Kit
Amazon Product Title: EcoAir Portable AC Window Seal Kit
- ❄️【Adjustable Universal Size】LOVIGA Portable AC Window Seal Kit size in (Width)10x24~36 inch(Length), length is adjustable from 24~36 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 insulation 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.
The EcoAir window seal is built specifically to minimize energy loss and maximize cooling efficiency. It offers a universal fit and includes all necessary hardware for installation. Its unique design allows both mobility and effectiveness, making it a strong contender for the best window kit for portable AC.
Pros:
– Designed for energy efficiency
– Universal fit for all window types
– Includes comprehensive installation tools
Cons:
– May require adjustments for optimal fit
– Parts can feel flimsy to some users
6. AaoCo Portable Air Conditioner Window Kit
Amazon Product Title: AaoCo Portable Air Conditioner Window Kit
- ❄️【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.
The AaoCo window kit stands out due to its ease of installation and effectiveness in maintaining cool air. It fits windows of various sizes and comes with a manual that guides users step-by-step through the installation. The robust design also contributes to its durability.
Pros:
– Straightforward installation process
– Robust construction
– Excellent insulation
Cons:
– Not suitable for unusually shaped windows
– Requires a little adjustment for a perfect fit
7. YZ Portable Air Conditioner Window Kit
Amazon Product Title: YZ Portable Air Conditioner Window Kit
- Upgraded Rain Guard 27% Airflow Boost: Portable air conditioner window kit is a true universal coupler. Suitable for all air conditioner hoses with a diameter of 5.1 inches and 5.9 inches. 5.9'' air conditioner hose is compatible with many portable AC units.The air conditioning window kit is specially designed with a rain cover for outdoor use, 27% higher airflow than previous models.which prevents rain and leaves from entering the room.
- Strengthern Sealing: Compared with old portable AC window kit that requires tape to seal, We have improved the issue of gaps on both sides, which ensures this air conditioner window seal kit fit seamlessly into the window track to achieve a good sealing effect and keep your room always cool.
- Premium Durable Material: Window vent kit is made of high-quality PVC , which is anti-extrusion, and anti-aging, and can be used year after year. AC window kit adopts one-piece bird guard coupler, no need to install additional guard, preventing foreign matter from entering your house through the exhaust hose. 5.9'' exhaust hose is made of flexible and heat-resistant polypropylene that will not bend or deform at high temperatures, ensuring repeatable use for years.
- For Slidng Windows: Portable air conditioner window vent kit is compatible with vertical and horizontal sliding windows ranging from 17 to 64 inches in size. （Not suitable for 17-25 inches windows）. You can create different combinations based on the size of your window: use a 3-board, or 4-board combination as needed. Be satisfied with the needs of different window heights.
- Easy Installation: Portable AC window vent kit has a novel slide rail design, easy to slide the sealing plate, no need for additional tools, and easy to install and disassemble. The AC window seal kit comes with 4 plates, a universal one-piece guard coupler, a outdoor rain cover, a manual, and screw accessories.
The YZ window kit provides flexible usage for both vertical and horizontal windows. It’s an ideal choice for renters and homeowners alike, as it can be installed without drilling. The materials used in the kit promote longevity while providing an airtight seal around your window.
Pros:
– Versatile for vertical and horizontal windows
– No drilling required for installation
– Durable materials that promote longevity
Cons:
– May not fit every window type perfectly
– Some users reported air leaks after installation
8. BLACK + DECKER A/C Window Kit
Amazon Product Title: BLACK + DECKER A/C Window Kit
−$7.00
- 【Portable AC Unit】 Our portable air conditioner hose kit is suitable for air conditioner with diameter of 5.9".The AC vent kit has a humanized rail design which is easy to slide the seal plates and fast lock.Adjustable length range of our AC window seal panel can be 16.9"-62.1" which can match most vertical and horizontal sliding window and door（Tip: Our kits do not include the coupler to connect the air conditioner）
- 【Reusable】:This Portable AC window seal kit is made of high-quality PVC and the coupler is made of premium ABS, which anti-extrusion, anti-aging, and can be used year after year. Removed and stored space-saving when not in use
- 【Energy Saving】: Our window slide kit can be better embedded in the window rails, which can achieve a tight sealing effect, effectively isolate hot air, keep the room air cool all the time, and save your electricity bills
- 【Easy to install and disassemble】:Our window duct kit for portable air conditioner adopted novel design, no additional tools needed, very easy to set up and detach to restore
- 【Package Include】:2x43cm/17" Fixing Plate, 2x43cm/17" Adjustable Plate, 1x 5.9" coupler filter, 1 x Exhaust Hose Adaptor(15cm/5.9"), 1 x 5.9" Exhaust Hose - 59 Inch Length Exhaust Hose, 1x 10 FT Sealing Tape, 4x Screws.Please Check Your Window Size Before Buying
The BLACK + DECKER window kit is designed with convenience and efficiency in mind. It fits most standard windows and comes equipped with an easy-to-follow installation guide. Its compact design is user-friendly, making it an excellent choice for anyone looking to set up their portable AC quickly.
Pros:
– User-friendly installation guide
– Compact and effective design
– Universal compatibility with various window sizes
Cons:
– Some customers report difficulty with tight seals
– Limited color options available
9. FEIKAI Portable Air Conditioner Window Kit
Amazon Product Title: FEIKAI Portable Air Conditioner Window Kit
- ❄️【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.
The FEIKAI window kit features a multi-functional design that caters to different setups, making it versatile for various air conditioning units. The kit focuses on maximizing air intake while minimizing heat entry, ensuring your space remains cool even during the hottest days.
Pros:
– Multi-functional design for various setups
– Focuses on air intake and heat minimization
– Strong customer satisfaction ratings
Cons:
– Might not suit excessively large windows
– Some users find it cumbersome to adjust
10. TACKLIFE Portable AC Window Kit
Amazon Product Title: TACKLIFE Portable AC Window Kit
- Adjustable Length: The ac exhaust hose window kit is easy to adjust according to the size of the window, adjustable lengths range from 17''-63''. Achieve a secure and snug fit for optimal performance
- AdjustabIe Portable AC Hose: 1 - Make sure your original hose diameter is 5.9 inches from outer edge to outer edge. 2. Make sure your original hose has a counter-clockwise threading direction
- Keep Clean&Cool: Adjustable Window Seal Kit Include bird guard and SeaIing tape can prevent foreign matter from entering the exhaust hose and effectively is olate the hot air fromentering the room
- Applicable Windows: Our window vent kit with hose is suitable for most vertical and horizontal sliding windows. You can use 1 to 4 plates combination according to the size of the window. Be satisfied with the needs of different window heights
- Applicable Spaces: Suitable for use in bedrooms, kitchens, living rooms, game rooms, etc., providing you with a cool and conducive to power saving options. Suitable for LG, Whynter, Haier, Hisense and other air-conditioning accessories
The TACKLIFE window kit is celebrated for its durability and universal fit for a variety of window styles. It comes with a clear, detailed installation instruction manual, which is a significant benefit for those who prefer guided setups. The effective sealing prevents hot air from infiltrating your space, enhancing cooling efficiency.
Pros:
– Highly durable materials
– Universal fit for various window styles
– Comprehensive installation instructions
Cons:
– Some users find the setup a bit complicated
– Not suitable for non-standard window sizes
If you’re searching for the best window kit for portable AC, the options listed above will cater to different needs and window types, ensuring a comfortable environment throughout the warmer months of 2025.
Buying Guide for Window Kits for Portable Air Conditioners
When it comes to cooling your space with a portable air conditioner (PAC), an essential accessory is a window kit. This kit helps to vent hot air outside while allowing the cool air to circulate within your room. Choosing the right window kit can enhance the efficiency of your portable AC unit and ensure a comfortable environment. Here’s a comprehensive buying guide to help you select the perfect window kit.
1. Compatibility with Your AC Unit
- Check the Model: Ensure the window kit is compatible with your specific portable AC model. Most manufacturers provide recommendations for compatible kits.
- Size Matters: Portable ACs come in various sizes, so it’s essential to choose a kit that fits your unit’s exhaust hose diameter. Common sizes are 5 inches, 6 inches, or 7 inches.
2. Type of Window
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Window Type: Consider the type of window you have—double-hung, sliding, casement, or awning. Some kits are adaptable for multiple window types, while others are specific.
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Installation Style: Determine if you need a vertical or horizontal installation. Look for kits that offer flexibility in installation to accommodate your window style.
3. Materials and Durability
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Quality Materials: Look for a window kit made from durable materials that can withstand the elements, such as PVC or heavy-duty plastic.
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Weather Resistance: A good window kit should seal well and protect against drafts, rain, and bugs while allowing efficient air circulation.
4. Installation Ease
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DIY Installation: Check if the kit comes with clear instructions for easy DIY installation. Some kits may require tools, while others feature snap-on designs.
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Adjustment Features: Look for kits with adjustable panels that can fit different window sizes for adaptability.
5. Sealing Capabilities
- Good Sealing: A window kit should have sealing strips or gaskets to minimize air leaks and maximize the AC’s efficiency. Look for kits with adjustable extensions that can seal gaps effectively.
6. Portability
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Ease of Removal: If you plan to move your AC frequently or only use it seasonally, consider how easily you can install and uninstall the window kit.
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Compact Storage: Look for kits that can be disassembled and stored easily when not in use without taking up much space.
7. Brand Reputation and Warranty
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Trusted Brands: Choose brands known for quality and reliability. Read reviews from other customers to gauge performance and durability.
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Warranty: A good warranty can provide peace of mind, so look for kits that come with a return policy or guarantee.
8. Price Range
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Budget: Window kits can vary widely in price. Determine your budget but remember that investing in a quality kit can improve your AC’s efficiency.
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Cost vs. Value: Sometimes, spending a bit more on a well-constructed kit can save you on energy bills and maintenance costs in the long run.
9. Additional Features
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Multi-Functionality: Some kits come with additional features such as insect screens or built-in drainage systems which can be beneficial.
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Color and Aesthetic: While functionality is key, consider the appearance as well—some kits come in various colors or designs that may complement your indoor decor.
Conclusion
Investing in the right window kit for your portable air conditioner can significantly impact your cooling system’s performance and efficiency. By considering compatibility, materials, ease of installation, and additional features, you can select a window kit that meets your needs and enhances your comfort. Take your time to research, read reviews, and make an informed decision to enjoy a cool and comfortable living space!
