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Updated: 25 Nov 2025

10 Best Window Air Conditioners

#1
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Flamorrow Portable Air Conditioner Window Seal Kit with Leaf Screen, Drawstring Design Window Vent Kit for 4-6in Diameter Hose, Double Layers AC Window Seal Vent Kit Reflect Heat & Sun Light, 63in

Brand: Flamorrow
$29.99
⭐ 4.8
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    Leaf Screen Design: The vents come with a protective mesh screen that helps keep leaves, debris and other items out. This seal kit is made of double layers aluminum foil reflective material & insulating material, the portable ac window kit effectively reflects sunlight, heat and water.
  • Adjustable Design: The length of portable ac window kit can be easily cut from 40-64 inches (102-163 cm) according to your needs, suitable for horizontal or vertical sliding windows (single-hung and double-hung)
  • No Gap Drawstring Sealing Design: Compared with the old zipper design, our drawstring can fit around the exhaust hose snugly, ensuring an excellent sealing effect and keeping your room cool and comfort
  • Universal Compatibility: The portable ac window sealing kit universal fits most 4", 5" and 5.9" exhaust hoses, compatible with various portable air conditioners, dryers and so on. Enjoy a comfortable summer by using our window seal kit
  • Simplify Installation: No tools and drilling are required, package includes sealing tape and hook and loop tapes. Simply apply the sealing tape to the window, then attach the hose to the portable ac window seal kit tighten the drawstring and done
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#2
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Flamorrow Portable Air Conditioner Window Seal Plates Kit for 5" Diameter Exhaust Hose, Universal Portable AC Window Vent Kit for Sliding & Hung Windows, Adjustable Length Sealing Panels Up to 47"

Brand: Flamorrow
$25.89
⭐ 4.1
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    Well Sealed Window VentsOur portable air conditioner window kit creates a tight seal around the exhaust hose, which effectively blocks heat and prevents rain, dust, debris from entering. Keep your room cool & comfortable at all times and save energy.
  • Universal CompatibilityThis portable air conditioner window seal plates kit is compatible with most portable air conditioners with 5" diameter exhaust hose.
  • Adjustable LengthThe portable ac window kit includes 3 plates. You can freely extend or trim to fit windows of different sizes from 16.5 to 47 inches. Suitable for most slide windows and hung windows.
  • Durable & LightweightMade of high quality PVC material, lightweight and durable to ensure long-term service. This lightweight portable windows ac vent kit will not cause any damage to your windows, and can be easily installed and removed.
  • Easy to InastallSimply screw the dryer vent hose to the window sealing plate, slide the panel to fit the window opening, then install to the window and done!
  • All In One KitPackage includes 3 window sealing plates, 1 x plastic mesh guard, necessary screws and instructions.
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#3
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Portable Air Conditioner Window Seal Kit with Universal Coupler,PVC Plate Adjustable AC Vent Kit for Sliding Window,Vertical/Horizontal Sliding Window Accessories for 5.1" Exhaust Hose

Brand: LQKS
$39.69
⭐ 4.8
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    Durable Material: Our air conditioner window kit is crafted from reinforced PVC for enhanced heat resistance, exceptional durability, and resistance to weather and aging, ensuring reliable year-round use.
  • Simple Installation: Designed for hassle-free setup, our portable air conditioner window kit effortlessly inserts into your window track and connects to the AC hose, allowing for easy assembly and disassembly.
  • Adjustable Ventilation: The reinforced PVC board enables adjustable airflow, ensuring optimal ventilation while blocking out hot air. Easily adjust the angle to direct cool air, creating a comfortable indoor environment.
  • Universal Compatibility: Compatible with both vertical and horizontal sliding windows, suitable for 13cm/5.1 inch diameter exhaust hoses. Provides a perfect fit, ensuring efficient cooling without any air leakage.
  • Seamless Integration: Upgraded sliding groove structure ensures a perfect fit for your window, effectively sealing all plates for a seamless connection. Simply close the window for a perfectly airtight seal.
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#4
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De'Longhi Pinguino Care4Me PACEL112CSTWIFI, Portable Air Conditioner 2.9 Kw, MyEcoRealFeel Technology, Natural Gas R290, Energy Class A+, Dehumidification 41L/24H, App and Voice Control, White

Brand: De'Longhi
$755.00
⭐ 4.1
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    COOLING POWER: Create the perfect environment at home with the 3-speed fan, dehumidifying function, 24h electronic timer and thermostat; for medium to large rooms
  • POWERFUL, QUIET AND EFFECTIVE: cooling capacity 2.9kW, energy class A+, 24-h timer; dehumidification function up to 41 l/24h; Generates 50% less noise than a traditional portable air conditioner
  • GEOFENCING & APP CONTROL: Automatically turn on your Pinguino as you approach home. Pair it with the app and voice assistant like Amazon Alexa and Google Assistant so that you can control it remotely
  • MY ECO REAL FEEL - Automatically adapts to ambient temperature and humidity levels, delivering personalised ideal comfort while optimising energy consumption
  • EASY TO MOVE: this portable air conditioner is ready to be with Window Kit for easy installation; it has handles and wheels for easy portability wherever you need comfort
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#5
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LBG Products Portable Air Conditioner Window Seal Plates Kit, Vertical AC Window Unit, Adjustable Seal AC Window Vent Kit for Exhaust Hose, Universal for Ducting with 5.9 inches Diameter

Brand: LBG Products
$25.94
⭐ 5
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    UNIVERSAL DESIGNSuitable for all portable air conditioners with 5.9" diameter exhaust hoses.
  • DURABLE MATERIALMade of durable PVC material,light weight and portable,easy to install and remove.Fits for all types of sliding windows both vertically and horizontally.
  • ADJUSTABLE LENGTHWindow seal plates consists of three plates.It can be freely stretched and adjusted in length.Adjustable range is from 16.5 inch to 47 inch.meet the needs of different window heights.
  • EASY INSTALLATIONJust solt the plate panels together and slide them to the desired length, and then lock with screws.
  • ENERGY SAVINGWindow seal kit can effectively seal the gap and keep indoor temperature comfortable and cool, energy saving.
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#6
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AcbbMNS Portable Air Conditioner Window Kit, 3pcs Slide Seal Plates & 5.9” Exhaust Hose & 5.9” Hose Adaptor, Adjustable Length AC Window Vent Kit for Sliding Window

Brand: AcbbMNS
$51.99
⭐ 5
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    Durable Material Air conditioner window sealing plate is made of high quality PVC material and the hose adapter is made of premium ABS, which has better heat resistance, wear resistance, aging resistance and durability to ensure a longer service life.
  • Adjustable Length Portable ac window vent kit has 3 sealing panels in 55cm lengths, can be adjustable from 110cm to 154cm. You can use 2-board or 3-board to match different heights of windows.
  • Air Conditioner Exhaust Hose AC exhaust hose is made of polypropylene with built-in high quality steel ring. AC exhaust hose has an anti-clockwise thread direction, so make sure to check this is correct for your AC before purchasing.
  • Easy to Install Set the panels together and slide them to the desired length, lock them with screws and embed them in the window rail. One end of the coupler is connected to the exhaust hose and the other end is fixed to the sealing plate.
  • Package Includes 3 x Window Seal Plates, 1 x Exhaust Hose, Diameter 150mm/5.9", Stretch Length 3M/9.84ft, 1 x Exhaust Hose Adaptor, Diameter 150mm/5.9", 2 x Screws.
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#7
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Flamorrow Window Air Conditioner Side Foam Panels, Indoor Window Air Conditioner Surround Insulation Panels Kit with Top Seal Strip for Window AC Unit

Brand: Flamorrow
$27.99
⭐ 4.1
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    Durable Foam PanelsMade of high resiliency insulating foam and a smooth PU leather surface, our window ac insulation foam panels effectively reduce noise, drafts and heat from outside, while providing a nice, waterproof appearance.
  • Fully Sealed DesignThe air conditioner side panels perfectly seal the gap between the AC unit and window frame, ensuring a comfortable and cool indoor temperature while also improving energy efficiency.
  • Universal Fits The size of the window ac side panels is 17" H X 9" W, compatible with most house windows and 5000-22000 BTU window air conditioner units.
  • In The PackageThe package includes a 39" L x 1.5" W top foam strip to insulate the narrow gap around the air conditioner, and two foam panels for insulating the sides of window AC units and one roll of adhesive tape.
  • Easy Installation The air conditioner side panels kit can be used to cover or replace the original side panels. Additionally, the air conditioner side foam panels can be freely cut to fit the size of your window.
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#8
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YOPOWER Portable Air Conditioner, Mobile Window Air Conditioning Unit 12000BTU White, w/Remote Control & Window Mount Kit

Brand: YOPOWER
$379.99
⭐ 4.7
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    Quick CoolingThe operating sound is extremely low and the Cool, Dry, Fan Functions. can be provided quickly, which can provide fast and effective heat dissipation for nearly 20 squre meters of space, and create a cool environment for you.
  • Intelligent Remote ControlThe portable air conditioner is equipped with an LED display. You can easily set the time+temperature+mode from the other side of the room through remote control.
  • Safe and WashableThis is a detachable, reusable air filter that protects your family and living space from dust and pet hair.
  • Fashion and SimplicityYou can set the independent air conditioner to any bedroom, living room garage home, or office, with rollers and window installation kits, hassle-free.
  • Complete KitsWe have equipped this home-use air conditioner with a complete window mount exhaust installation kit and drain pipe. Following the instructions in the manual, you can easily set it up and have a cool and dry room.
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#9
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Goldair 7000BTU (2.06 kW) 2-in-1 Cooling and Dehumidifying, Portable Air Conditioner with Remote Control, Timer, Adjustable Speed and Thermostat, White

Brand: Goldair
$429.95
⭐ 4.1
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    Portable AC with 2-in-1 cooling and dehumidifying modes for large rooms
  • Included window kit for easy disposal of unwanted hot air
  • Castors for easy mobility between rooms
  • Control 3 speed settings, adjustable thermostat, and 24-hour ON/OFF timer
  • Sleep mode for quieter operation when needed
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#10
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ADVWIN 9000 BTU Portable Air Conditioner, with Cooling, Dehumidifier & Fan, 3 in 1 Portable AC unit with Window Mount Kit, 2500W White

Brand: ADVWIN
$299.00
⭐ 4.8
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    Ultra Powerful CoolingThe portable air conditioner has a mighty 9000 BTU cooling capacity which provides cooling down to 17 across 20 sq m, ideal for large homes, living rooms, bedrooms and offices.
  • Designed For ComfortThis ac unit features an easy-to-read LED display. It can cool a room to temperatures between 6286F (1730C). You can also take better control with the 24 hr timer.
  • Multiple Operating ModesThis air conditioner has a variety of operating modes: Cool, Fan, Dry, and Sleep that make it easier to suit the tastes and preferences of different users. Cooling down during hot days is no longer an issue!
  • Sleep Mode & Low NoiseThe output of our portable air conditioner with quiet 64dB in low-speed mode ensures no interference at night. And the sleep mode of our portable air conditioner allows you to be extra quiet during rest.
  • Reusable Air FilterThis appliance comes with a removable and washable filter. Easy to clean under the faucet. To extend the life and performance of this unit, cleaning the filter weekly is recommended.
  • Easy MobilityWith casters on the bottom & side handles on this small air conditioner, this air cooler & portable ac 9000 btu portable air conditioner can be moved from room to room without hassle.
  • Perfect After ServiceAll of Advwin Portable Air Conditioner Units are covered with 1 year warranty. If you have any problems, please contact our team to get help. We will reply to you within 24 hours and help you solve the problems.
  • 1 Year Warranty
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