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The best way to find the best portable air conditioner for horizontal sliding windows is by taking a look at what other people are buying and which brands they prefer. You can also take a look at the reviews and ratings of the product.

The following table provides concise information about how to pick a product from online:

  • Consider what you want
  • Find out what other people are buying
  • Look at reviews and ratings
  • Compare prices
  • Beware of scams

Top 10 best portable air conditioner for horizontal sliding windows Features Overview

Here are the of top 10 portable air conditioner for horizontal sliding windows we picked and recommend.

1. Portable Air conditioner Window Kit with Coupler, Adjustable Vertical / Horizontal Sliding Window Kit Plate for AC Unit, AC Window Vent Kit, AC Win



  • UNIVERSAL: UNAOIWN AC window vent kit includes 4 plates, 5.9diameter coupler, and 3 screw accessories. It applies to all air conditioning vent hose (whether it is a clockwise or counterclockwise air-conditioning exhaust hose) with a diameter of 5.9 inches. Great for LG, Honeywell, Haier, and other air-conditioning accessories.
  • 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 windows. 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 to 60 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 4-meter 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.
  • AFTER-SALE SERVICE: We promise to get you covered for any issues that might occur and providing you unconditional return. 24 hours online customer service to get your 100% satisfaction. Please rest assured for purchasing any item from us.





2. Gulrear Portable AC Window Kit for Vertical Window Portable Air Conditioner window seal parts Adjustable Length from 20″ to 55″ Sliding Window AC V



  • 【Designed for Specific Ducting with 5.0 Inches Diameter Portable Air Conditioner】This portable ac window kit Design Compatible with a Portable Air Conditioner Vent Hose with 5.0” Diameter Exhaust-Great Alternative to Factory Default kit Included with Your Protable AC
  • 【Great for Vertical and Horizontal Sliding Windows】Portable Ac window vent kit Consists Of 3 Plates, Total 150cm/59 Inch Length, Max Adjustable Length 140cm/55Inch, Be Satisfied With The Needs Of Different Vertical and Horizontal Sliding Windows.Slotting the Plates Together toThe Desired Length of Your Chosen Door – You Don’t Need to Use All 3 Plates if it’s Not Necessary.
  • 【Easy set-up】This portable air conditioner window kit was easy to extend to your window needs, These panels are easy to adjust with the slider nuts.The Window seal kit can be shortened or lengthened for the desired fit AND works with both vertical and horizontal sash windows. Installation couldn’t be easier – simply slot, slide and lock into place!ac window kit is the perfect solution for efficient use of your Dual Hose portable AC.
  • 【Verify Outlet Diameter】Please Note: Portable Air Conditioner Include a Air Exhaust Outlet on the Back of AC.The Exhaust Hose Cut-Outs Are Approximately 5.0″ in diameter.So Make Sure to Check The Diameter of Your AC Air Intake Outlet and Air Exhaust Outlet is 5.0 inch Before Purchasing.(Inner Edge To Inner Edge)
  • 【Package Includes】air conditioner parts & accessories Kit for Portable A/C Includes: 2 x 50cm/19.6 Inch Outer Plates, 1 x 50cm/19.6 Inch Inner Plates, 1 x Exhaust Hose Adaptor(5.0inch/13cm,Internal Edge To Internal Edge),1 x Sealing Tape, 4 x Butterfly Screws,1 x User Manual. You Connect Them By Using The Provided Butterfly Screws.





3. Kxuhivc Portable Air Conditioner Windows Vent Kit, Adjustable Window Seal with 5.9 Inch Diameter, 59 Inch Length Exhaust Hose for A/C Unit Universa



  • 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.
  • DURABLE & WIDE COMPATIBILITY: The window vent kit for portable AC unit consists of four plates, is made of durable PVC materials, recommended max extend length 162cm/64Inch, light weight, portable, suit for using in home or office.
  • EASY TO INSTALL: Just solt the plate panels together and slide them to the desired length, and then lock with screws. Attach one side of exhaust hose to the air conditioner hose connector by rotating; Attach another side of hose to the adaptor. Finally insert to the plates.
  • GOOD SEALING: There is gap between fixing plate and adjustable plate, because of adjustable plate more narrower than fixing plate. So come with dealing tape, It is posted at the connection between the sliding door and the sealing plate, which effectively isolates hot air from entering the room and fixed every plate.
  • PACKAGE INCLUDES: 1 x Exhaust Hose (Dia15cm/5.9Inch), 1 x Exhaust Hose Adaptor, 2 x 43cm/17Inch Fixing Outer Plates, 2 x 43cm/17Inch Adjustable Inner Plates, 3 x Screws, 2 x 2M Sealing Tapes, please check your sliding door size before buying. If you have any problems, please feel free to contact us.





4. Yodeace Portable Air Conditioner Window Kit, Air Conditioner Window Seal, Adjustable Vertical/Horizontal Sliding Window Slide Kit Plate, Portable a



  • Wide Compatibility: Our portable air conditioner window kit contains 4 plates (2 fix plates and 2 adjustable plates), 1 exhaust hose adaptor, 4 screws and 1 roll sealing tape. Suitable for all air conditioner exhaust hose with a diameter of 5 inches. Compatible with LG, Haier and other air-conditioning accessories.
  • Adjustable Design: Our portable AC window kit has a humanized slide design, the plates are easy to slide and fast to lock, no tools required. The adjustable length range is 43-150cm / 16.93-59.06inch, length adjustment can be completed in 5 seconds.
  • Durable Material: Made of premium PVC material, this air conditioner window kit is heat-resistance, low wind noise, good flexible, not easy to age, non-toxic, and non-polluting, durable for long time use.
  • Good Sealing: Embed the plates into the window track, use the sealing tape to seal gap between the plates and window, to achieve a good sealing effect, which can keep your room cool at all times, without air-conditioning leakage, preventing hot air from entering, and saving power.
  • Easy to Install and Disassemble: Easy to combine the plates and exhaust hose adaptor, and install them on the window track, quickly install and disassemble. It is suitable for most vertical and horizontal sliding windows. You can use a 2-plates, 3-plates or 4-plates combination according to the size of the window.





5. HOOMEE Adjustable Sliding Window Seal for Portable Air Conditioner and Tumble Dryer–Min Size 25×102 – Max Size 25x152cm – Works with Every Mobi



  • ADJUSTABLE TO SIZE – Suitable for all portable air conditioners or air dryer regardless of manufacturer, accommodates up to 2 hoses. HOOMEE window seal kit for hung and sliding windows is adjustable and can be customized to fit most gliding window sizes. It fits horizontal or vertical sliding windows (both single and double hung windows) from a minimum size of 25×102 cm to a max size of 25×152 cm.
  • INCREASE COOLING PERFORMANCE – Enjoy a cooler environment in summer with HOOMEE! It 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 cool down your room in less time
  • REDUCE ENERGY CONSUMPTION – HOOMEE loves the Earth! This sliding window seal contributes to reducing energy consumption and to lowering carbon dioxide emissions, which is particularly high in summer due to the massive use of air conditioning. Preventing warm air from circulating in your room, HOOMEE window seal helps you save money on electrical bills
  • ADJUSTABLE TO SIZE – Suitable for all portable air conditioners or air dryer regardless of manufacturer, accommodates up to 2 hoses. HOOMEE sliding window seal is adjustable and can be customised to fit most gliding window size. It fits horizontal sliding windows from a minimum size of 25×102 cm to a max size of 25×152 cm
  • EASY TO INSTALL – NO NEED FOR DRILLING HOLES. You don’t have to buy window kits or adapters for your hose. All you need comes with your HOOMEE Window Seal! Simply measure the height of your window, glide the sash creating a 20 cm opening and apply the hook tape provided, then stick the window seal onto the hook tape and cut off the excess cloth. Finally, open the zippers and zip around the nozzle of your hose





6. Portable Air Conditioner Sliding Window Kit with Universal Coupler Adapter, Upgraded Seamless Adjustable Sliding AC Vent Kit for Ducting Exhaust Ho



  • 【Durable Materials】: Air conditioner window kit for portable ac unit is made of durable PVC materials, light weight portable easy to install and removal, suit for using In home or office.
  • 【Strengthen Sealing】: Because of adjustable plate more narrower than fixing plate,so there is gap between fixing plate and adjustable plate, So come with sealing tape, It Is posted at the connection between the window and the sealing plate, Which effectively isolates hot air from entering the room and fixed every plate.
  • 【 Universal Adapter 】: Our sliding window kit comes with a universal adapter, which suitable for all air conditioner exhaust hose with a diameter of 5 inches or 5.9 inches. Perfect for most brands of mobile air-conditioning hose.
  • 【Unique Design】: Our window slide kit plate for portable air conditioner is different in that design adjustable track, Very sturdy .
  • 【High Compatibility 】: Suitable for most vertical and horizontal sliding window. You can also use a 2-plates combinat.





7. Window Vent Kit for Portable Air Conditioner, grafftimaster Portable Air Conditioner Window Vent Kit, Window Seal Plates Kit for Portable Air Condi



  • 【ADJUSTABLE LENGTH】 Graffitimaster portable air conditioner window vent is kit suitable for most vertical and horizontal sliding windows and can be freely stretched and adjusted in length. Maximum adjustable length:155cm/62 inches. Suit for all portable air conditioners exhaust hose with a diameter of 15cm(5.9”). Such as TCL / Whynter / Midea / LG / Shinco / Gree / Aux / Haier / Hisense / Ox / Xinke, etc.
  • 【MATERIAL REUSABLE】This portable air conditioner window seal kit is made of high-quality PVC, which anti-extrusion, anti-aging, and can be used year after year. This window seal for mobile air conditioning systems with exhaust air hose prevents the ingress of hot air and thus increases the efficiency of the device. It’s not only better reduce loss of cool air, but also save energy and money!
  • 【GREAT QUALITY】Graffifimaster window seal plate kit for air conditioner is made of durable PVC board, which is portable, light weight and easy to install and remove, you can move the plates from one window to another without extra tool for reuse, very convenient, perfectly suit for both home and office use.
  • 【GOOD SEALING】Embed the plates into the window track and clamp them to achieve a good sealing effect, which can keep your room cool at all times, without air-conditioning leakage, preventing hot air from entering, and saving power.
  • 【PACKAGE INCLUDING 】2x55cm/21 inches Fixing Plate, 1×55.6cm/21.89″ Adjustable Plate,1 x Exhaust Hose Adaptor(15cm/5.9″),1x Exhaust Hose Coupler(15cm/5.9″), 1x 3M Sealing Tape, 2x Screws.





8. Kerykwan Portable Air Conditioner Window Door Kit with 5.9” Exhaust Hose Adjustable AC Vent Kit for Ducting Universal AC Seal Panel for Horizonta



  • 【WIDE COMPATIBILITY&UNIVERSAL】Our air conditioner window kit is suitable for all 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 windows and doors.
  • 【PACKAGE INCLUDED&DIMENSION】By purchasing our air conditioner window kit you will get 4 window seal panels with length 16.9” which adjustable length range can be 16.9”-62.1”, 1 coupler which suitable for exhaust hose with diameter 5.9”, 1 coupler filter, 3 screws used for fixing, 2 weather stripping with length 78.8”, 1 exhaust hose with length 59” and diameter 5.9″.
  • 【STRENGTHERN SEALING】Simply Embed the seal panel into the window track and clamp them, also coming with the weather stripping to be posted at the connection between the window and seal panel for strengthening sealing to achieve a good sealing effect, which can keep your room cool at all times, without air-conditioning leakage, preventing hot air from entering, and saving power.
  • 【PREMIUM&DURABLE MATERIAL】Our 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. Simple and stable fixing method for install and disassemble easily. Easy to store, and save space
  • 【AFTER-SALE SERVICE】We promise to get you covered for any issues that might occur and providing you unconditional return. 24 hours online customer service to get your 100% satisfaction. Please rest assured for purchasing any item from us.





9. Portable Air Conditioner Window Kit, AC Window Kit Seal for AC Hose with 5.9″ Diameter, Window Vent Kit with Air Conditioner Window Exhaust Panel,



  • 【Package List】- Portable window vent kit includes 4pcs plates, 1pcs 5.9 diameter coupler, and 6pcs screw accessories, 1pcs bird stop adapter. The set is suitable for all air Conditioner exhaust hose with a diameter of 5.9 inches.
  • 【Flexible Use】- PVC clamping rail of air conditional window kit is easy to slide the seal plates and fast lock. Its djustable length range is 16.9in to 60 in.
  • 【Vertical & Horizontal Use】- It is suitable for most vertical and horizontal sliding windows. You can use a 2-board combination, a 3-board combination or a 4-board combination according to the size of the window. It is very convenient to use anywhere.
  • 【Easy to Install 】- Portable 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. Easy to store, and save space.
  • 【Good Sealing】- Embed the plates into the window track and clamp them to achieve a good sealing effect, which can keep your room cool at all times.The bird stop adapter effectively help your mobile AC isolation from birds, mice, snake and other pests.





10. Universal Portable Air Conditioner Window Seal Kit with 5.1” Coupler, Reinforced PVC Plate Lengh Adustable AC Window Vent Kit for Sliding Window,



  • 𝐔𝐍𝐈𝐕𝐄𝐑𝐒𝐀𝐋 𝐅𝐈𝐓 – TigeJoy window seal kit includes 4 plates, 5.1 diameter coupler, 10 feet foam tape and screw accessories. Which can fit all 5.1 diameter exhaust hose of portable AC on the market including LG, Frigidaire, Whynter, SPT, Honeywell, Haier, Emerson and Newair.
  • 𝐅𝐎𝐑 𝐒𝐋𝐈𝐃𝐈𝐍𝐆 𝐖𝐈𝐍𝐃𝐎𝐖 – This extendable AC vent kit suitable for 17 – 60 inches vertical and horizontal sliding windows. You can adjust the length through assembly and sliding of the plates. Free you from the worry of size!
  • 𝐆𝐎𝐎𝐃 𝐒𝐄𝐀𝐋𝐈𝐍𝐆 – The plates can be embed into the window track perfect and achieve a total sealing effect. It‘s effectively diffuse the hot air out of the window, preventing warm air circulating in your room meanwhile, offer you a more cool and energy saving summer.
  • 𝐋𝐎𝐍𝐆 𝐋𝐀𝐒𝐓𝐈𝐍𝐆 – Our air conditioning window kit is made of strengthen PVC, which has better heat resistance, wear resistance, aging resistance, and longer service life. It can withstand long-term hot airflow and the summer sun.
  • 𝐅𝐀𝐒𝐓 𝐈𝐍𝐒𝐓𝐀𝐋𝐋 – No tools required, you only need to insert the plate into the window track and connect it to the air conditioner hose. It’s easy to install, easily to disassemble and can be used year after year. 100% satisfactory after-sales service: 12-month warranty and lifetime technical support.





Conclusion

There is a myriad of online stores out there, and it is impossible for one to compare the different portable air conditioner for horizontal sliding windows as well as their prices since not all websites offer them. Online shoppers often turn to reviews and customer feedback for help, but even these are unreliable sources. Sometimes people post negative reviews just to be spiteful or angry.

The lack of insightful information online forces shoppers to rely on the information they find elsewhere, but this can lead to misinformation and incorrect purchase decisions.

Consumers can save themselves from these potential risks by turning to an AI-powered shopping assistant that provides tailored product suggestions based on their preferences.

But Amazon made the whole process easy and effortless.

Why You Trust Amazon?

As they grow increasingly popular, there are some challenges that people face when they try to purchase something on the internet. There are many reasons why people might not trust Amazon as much anymore:

  • They worry about their personal information being stolen;
  • They question the reliability of the website;
  • Its security features and whether or not their credit card details will be safe
  • The quality of products sold by third parties might not be as good
  • There’s no instant gratification with online purchases;

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