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Top 10September 2025

Best Window Install Kit For Portable Air Conditioner Small Window

We made a list of the top 10 Window Install Kit For Portable Air Conditioner Small Window based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

Portable AC Window Vent Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for AC Unit, Seamless Portable AC Window Seal With 5.9 Inch Diameter, 59 Inch Length Exhaust Hose

Portable AC Window Vent Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for AC Unit, Seamless Portable AC Window Seal With 5.9 Inch Diameter, 59 Inch Length Exhaust Hose

✓【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

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29% Discount

Portable Air conditioner Window Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for Unit, AC Window Vent Seal Suitable for 5.9” AC Exhaust Hose

Portable Air conditioner Window Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for Unit, AC Window Vent Seal Suitable for 5.9” AC Exhaust Hose

✓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.

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30% Discount

Kxuhivc Portable Air Conditioner Window Vent Kit, Adjustable Window Seal with 5.9 Inch Diameter, 59 Inch Length Exhaust Hose for A/C Unit Universal for Sliding Horizontal or Vertical Window

Kxuhivc Portable Air Conditioner Window Vent Kit, Adjustable Window Seal with 5.9 Inch Diameter, 59 Inch Length Exhaust Hose for A/C Unit Universal for Sliding Horizontal or Vertical Window

✓ANTI-CLOCKWISE UNIVERSAL FIT: Our AC exhaust hose has an 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, the length has two options for 1.5m/59" and 2m/78.7" respectively, which means it can fit most portable air conditioners on the market.

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8% Discount

Portable AC Window Vent Kit - Complete Air Conditioner Window Kit, Adjustable PVC Window Seal Kit Panels Up to 60 Inches, for Universal Thread AC Exhaust Hose of 5.1" and 5.9" Diameter

Portable AC Window Vent Kit - Complete Air Conditioner Window Kit, Adjustable PVC Window Seal Kit Panels Up to 60 Inches, for Universal Thread AC Exhaust Hose of 5.1" and 5.9" Diameter

✓Patent No.1004137 Designed for 5.1" or 5.9" external diameter vent hoses. Universal Portable AC Window Vent Kit: Compatible with all brands of portable air conditioners. Not for oval opening, for circular hose.
✓Adjustable from 17” to 60”: Portable air conditioner window kit includes 4 panels, 1 universal adapter, 1 foam tape and screws for flexible installation, fitting various window heights.
✓Versatile and Easy-to-Install: Window vent kit can be installed vertically or horizontally on sliding windows of different sizes. Made of sturdy PVC material with high-temperature resistance, non-aging, non-toxic, and pollution-free properties, easy to install and remove, and reusable.
✓100% Airtight and Secure: Ac window seal kit features an exclusive bottom panel joint design for a tight and secure seal, effectively preventing hot air from entering the room, keeping it cool and fresh, and saving electricity bills.
✓Enjoy Cool Air Everywhere: Get this versatile Portable AC Window Kit and enjoy refreshing air everywhere in your room. Don't miss out on the ultimate cooling experience!

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18% Discount

Portable Air Conditioner Window Vent Kit, Adjustable Window Seal Slide Kit Plate for Portable Air Conditioner Kit Sliding Window AC Vent Kit Fit for Exhaust Hose with 5.1"/13cm Diameterr.

Portable Air Conditioner Window Vent Kit, Adjustable Window Seal Slide Kit Plate for Portable Air Conditioner Kit Sliding Window AC Vent Kit Fit for Exhaust Hose with 5.1"/13cm Diameterr.

✓❄️❄️❄️Please read the product size and model carefully before buying to avoid buying mistakes
✓❄️【Sealing design】Window slide kit plate for portable air conditioner It is suitable for most vertical and horizontal sliding window. You can use a 2-plates combination or 4-plates combination, according to the size of the window. thus achieving a good seal. AC window exhausts smoothly
✓❄️【Product material design】Window seal for portable air conditioner is made of strengthen PVC, excellent aging resistance, heat resistance, and wear resistance, and also moisture-proof, Air conditioner window exhaust ac window exhaust smoothly
✓❄️【Product structure design】Window seal plates 4 pieces, 3 adjustment nuts, a window adapter tube connector, and an adjustable exhaust hose.Overall lightweight, portable ac window vent kit easy to install
✓❄️【Product size design】Sliding window air conditioner kit, You will get 4 the window sealing plate is 16.9 inches (about 43 cm) long,which adjustable length range can be 16.9-48.8", 3 portable adjustable sealing plate nuts, window adapter tube fitting 5" inches (about 13 cm) in diameter, and 1 exhaust hose with length 59” and diameter 5"
✓❄️❄️【AFTER-SALES SERVICE】For any quality problems, we will refund or replace underno conditional. We provide you with excellent service .

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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

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")

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24% Discount

Loviga Portable AC Window Vent Kit, 100% Sealing Portable Air Conditioner Window Kit Seal Kit for AC Unit Clothes Dryer, 9X63 Inch Length Adjustable, Waterproof, No Drilling

Loviga Portable AC Window Vent Kit, 100% Sealing Portable Air Conditioner Window Kit Seal Kit for AC Unit Clothes Dryer, 9X63 Inch Length Adjustable, Waterproof, No Drilling

✓❄️UNIVERSAL FIT: LOVIGA Portable Air Conditioner Window Kit measures (Width)9x63 inch (Length) , the length can be adjusted between 44~64 inches to fit your SLIDING or HUNG WINDOW, suitable for all portable A/C and cloth dryer
✓❄️BETTER SEALING: LOVIGA Patented drawstring closure design allows the 420D fabric to snugly fit around the vent hose between 3.9~5.9 inch. This newly designed Portable AC Window Vent Kit achieves an excellent sealing effect of true "0" seam, firmly lock the cool air inside while blocking heat flows, rain, flies, mosquitoes bugs etc
✓❄️MORE RELIABLE DESIGN: Unlike the old zipper type and plastic panel type window vent system that come with bad sealing, zipper bursting and slipping problems. This Window Seal for Portable Air Conditioner features with simple structure, easy operation and better reliability. Meanwhile, we apply double-stitched thread and wide hook&loop tape to further enhance adhesion and sealing, making it truly durable and practical
✓❄️WELL MADE & BETTER MATERIAL: The AC Window Vent Kit is made of high-density 420D fabric, it's stiff and weatherproof to withstand winds and rains. Special silver coating can effectively reflect the sun rays and prevent heats flowing back, let you enjoy a fast cooling ,energy-saving and money-saving summer
✓❄️A BREEZE TO INSTALL: Follow the manual or installation video, anyone can set this AC Window Seal Kit up in 5 minutes, no drilling holes, super simple. LOVIGA offers Intimated 1-year warranty and 24-hour customer service.

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21% Discount

Gruntbear Portable Air Conditioner Window Seal Kit, 400CM (157'') AC Casement , Hot Air Stop Air Exchange Guards with Zip and Adhesive Fastener Works with Tumble Dryer, Keep House Cool

Gruntbear Portable Air Conditioner Window Seal Kit, 400CM (157'') AC Casement , Hot Air Stop Air Exchange Guards with Zip and Adhesive Fastener Works with Tumble Dryer, Keep House Cool

✓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
✓Enhance Cooling Performance & Save Energy: Gruntbear air conditioner window seal 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 casement window air conditioner seal 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 portable ac window vent 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 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

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SPONDWILD 118"/300CM Portable AC Window Seal Kit - Air Conditioner Window Seal for Window Air Conditioner & Dryer, Waterproof Window Seal Kit, Easy Install for Push Out Windows

SPONDWILD 118"/300CM Portable AC Window Seal Kit - Air Conditioner Window Seal for Window Air Conditioner & Dryer, Waterproof Window Seal Kit, Easy Install for Push Out Windows

✓Applicable Windows: The casement window air conditioner seal is suitable for all kinds of inward-opening or outward-opening Windows, including skylights, awning Windows, and casement Windows (except sliding or hanging Windows). As long as the perimeter of the window is smaller than that of our casement window ac vent kit, it can be used normally.
✓Pull rope design: The pull rope structure design of the crank window ac vent kit enables the AC window to closely fit around the air conditioning hose, easily achieving a gap-free sealing effect. It firmly locks in the cold air inside the room while also blocking heat flow, rain, and other outdoor elements.
✓Enhanced adhesion: The back adhesive and tape of the crank out window ac vent kit have both undergone enhanced material improvements, enhancing the adhesion and sealing performance of the ac vent for crank out window.
✓High-quality fabric: The crank out window air conditioner is made of high-quality waterproof fabric and has UV-proof function. The portable ac casement window kit is sturdy and durable, and can last for a long time in all kinds of weather conditions. Even in the hot summer, it can provide a better cool experience.
✓Easy installation: Ac unit for crank out window can be installed without tools or drilling! Just clean the window frame first, then stick the strong adhesive back adhesive onto the window frame, attach the sealing strip, and finally pull it onto the exhaust hose.

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11% Discount

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

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.

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