Top 10 Best Window Air Conditioner In May 2021

Ranking 1
Pro Breeze 4-in-1 Portable Air Conditioner 7000 BTU with Remote Control, 24 Hour Timer & Dual Window Venting Kit Included. Powerful Air Conditioning Unit with Class A Energy Efficiency Rating
  • Powerful Cooling: This 7000 BTU air conditioner provides strong and effective cooling down to 15°C in small, medium and large homes, living rooms, bedrooms and offices.
  • Digital Display & Remote Control: The easy-to-use digital LED display and wireless remote control allows you to have full control of all operating modes including auto, cooling and sleep as well the built-in 24 hour on/off timer and adjustable thermostat temperature control (in °C & °F).
  • Energy Efficient: This A/C unit boasts a Class A Energy Efficiency rating to ensure that keeping cool in the sweltering summer heat is cost effective. It also utilises an R290 refrigerant which is up to 690 times more eco-friendly than traditional air conditioning gasses. The advanced sleep mode keeps you cool whilst reducing overnight energy consumption.
  • Window Kits Included: We have included two easy-to-install window venting kits with our AC unit to fit either slide or hinged windows using the step by step instructions provided. Its space-saving design also ensures minimal intrusion.
  • 4-in-1 Features: This portable air conditioning unit features 4 multi-purpose operating modes including auto, air cooling, dehumidifying, fan only and energy saving sleep modes. Use the automatic oscillation mode to direct air flow across a wide are or in a precise direction.
Ranking 2
HOOMEE 300CM Window Seal for Portable Air Conditioner And Tumble Dryer – Works with Every Mobile Air-Conditioning Unit, Easy to Install - Air Exchange Guards With Zip and Hook Tape
  • 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 insects, mosquitoes, 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 dryersregardless 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 300 CM.
Ranking 3
AC Window Seal,Portable Universal Window Kit for Mobile Air Conditioner Unit and Tumble Dryer 400cm/158Inch,Hot Air Stop Air Exchange Guards with Zip and Adhesive Fastener
  • ❄【Keeps The Cool Air In】-- The whole point of air conditioners is to cool the air. MOEGFY window seal for portable air-conditioners kit keeps the cool air inside your room by effectively diffusing the hot air out of the window. Your AC will cool your room quicker and cheaper! The air con window vent kit also blocks flying insects and spiders from entering the room through windows or door seams.
  • ❄【Save Energy】-- This air conditioning window seal kit 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. MOEGFY aircon window kit, a great solution saving your money on electricity bills and environment protection.
  • ❄【Convenient and Economy】-- Made of durable waterproof materia.Simply zipped in place between the window and window frame and can regulate the air exchange efficiently and keep out dust and rain. You can open or close the window at any time without removing the window seal. You can also remove it and install it again next summer to save your money!
  • ❄【Easy To Install (WITH PICTURES)】-- All you need for the installation of our window seal is already included in your package. No need for expensive installation kits and tools! Spares you from having to undertake the often costly and laborious task of drilling a hole through the wall. Just seconds, you can enjoy a cooler environment in summer.
  • ❄【UNIVERSAL & Non-damage Window】-- The aircon window seal is suitable for all portable air conditioners. Application for windows that open to the left or windows that open to the right, bottom hung windows, or skylights(not sliding window or door). Fits window with a maximum perimeter of 400 CM. It can also be used for a variety of other appliances, including dehumidifiers or tumble dryers, which are also equipped with flexible air discharge hoses.
Ranking 4
AUGOLA 400CM Window Seal for Portable Air Conditioner And Tumble Dryer, Hot Air Stop for All Mobile Air Conditioning Unit, Air Exchange Guards with Zip and Strong Hook Tap
  • 🍃

    【COOL OVER THE SUMMER】- Window seal blocks the return flow of warm air by locking the hose between the window frame and the window itself. At the same time, reduce the cold air leaking out, keeps your room cool for longer, providing you a cool and comfortable living environment.
  • 🌍

    【REDUCE ENERGY CONSUMPTION】 - Enjoy the environmental life! 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. Protecting the environment while saving energy and saving electrical bills!
  • 🏖

    【WATERPROOF & STRONG ADHESIVE】 - Air conditioner window seal is washable and water resistant, keep the rain off on rainy days, and it also leaves out insects, mosquitoes. Come with strong hook tape, you don't have to worry about the adhesive tape coming off any more.
  • ⛲ 【EASY TO INSTALL】 - No tool or drilling needed. All you need comes with AUGOLA 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. Open the zip and place air hose out of the window. Then close the zip tightly around the hose. Window remains fully functional and can be closed and opened as usual. Additional cable ties are included with the product as additional support and fastening.
  • 🌊 【UNIVERSAL WINDOW SEAL】 - Suitable for all portable air conditioners and tumble dryers. Application for Casement Windows, Awning Windows, Hopper Windows, not for Sliding Windows, Horizontal Pivot Windows or Vertical Pivot Windows. Length: 400CM, suitable for windows with a total seal length of less than 400 cm.
Ranking 5
GoaKitum 300CM Universal Window Seal for Portable Mobile Air Conditioner Window Vent Kit for Tumble Dryer,AC Window Seal-Air Exchange Guards with Zipper Hook Tape,Hot Air Stop-No Need to Drill Holes
  • REDUCE ENERGY CONSUMPTION: 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, GoaKitum window seal helps you save money on electrical bills.GoaKitum loves the Earth!
  • KEEP THE HOT AIR AWAY: the venting seal of the portable air condition kit keeps the cold air in the room by effectively spreading hot air out of the window. After proper installation, the window seal secures the hose between the window and the window frame to the air conditioner. The length of this air-conditioning cloth is 300CM. If the window size is close to 300cm, please do not hesitate to choose GoaKitum window seal for air-conditioning.
  • INCREASE COOLING PERFORMANCE: Enjoy a cooler environment in summer thanks to GoaKitum! GoaKitum window seals kit 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.
  • QUICK & EASY INSTALLATION: No need to drill holes. All just involves sticking the cloth inside the window frame and window itself. Then pinch air hose in the window seal by using zipper and lock the hose with cable tie to direct airflow outside.
  • REDUCE ENERGY CONSUMPTION: The window remains fully functional and can be closed and opened as usual. And the AC window seal is water resistant and washable.
Ranking 6
REDTRON 400CM Universal Window Seal for Portable Air Conditioner And Tumble Dryer, Works with Every Mobile Air Conditioning Unit, Airlock, Hot Air Stop, Easy to Install (No Need Drilling Holes)
  • Vent Hot Air Out of Your Room: REDTRON window seal vent hot air out of your room from the hose of your mobile AC unit by locking the hose between the window frame and the window casement. Our waterproof window sealing cloth worries you free of insects and mosquitoes, creating a cooler room in hot summer.
  • Enhance Cooling Performance: REDTRON portable A/C window kit seals around your window and then zip around your hose which directs your ventilation outside. Thanks to this great idea, your room can be cooled in less time and the A/C unit creates an excellent cooling performance for you.
  • Energy Saving and Money Saving Choice: REDTRON air conditioner hose seal helps to reduce energy consumption and to lower emission of carbon dioxide. A well-constructed exhaust ventilation system saves your electric bills under efficient cooling enjoyment with our window seal.
  • Quick and Easy Installation: No need for drilling holes. All just involves sticking the cloth inside the window frame and window itself. Then pinch air hose in the window seal by using zipper and lock the hose with cable tie to direct airflow outside.
  • Universal Fit: The 157Inch AC exhaust hose sealing cloth is suitable for all portable air conditioners and tumble dryers. It is also compatible with most Windows with a maximum perimeter of 400CM. No matter it is crank or casement windows, you can set up your exhaust mount easily.
Ranking 7
Homegoo Window Seal for Portable Air Conditioner Units and Tumble Dryer, AC Airlock for Universal Window Seal with Maximum Length of 400CM
  • TO BE COOLER: the air conditione window seal keeps the hot air discharge from your air conditioner hose away to make your AC much more efficient, and you don’t need to worry about raining day because of the waterproof material. Just enjoy a cooler life in the coming summer with Homegoo.
  • EASY TO INSTALL: the most important thing is NO NEED TO DRILL. First apply the full frame Velcro to the inside of your window frame and to the window itself and then attach the window seal to it. Lately, open the zip and fix the hose tightly. Just a few minutes, you can finish it.
  • UNIVERSAL SUITABLE: suitable for all portable air conditioners and tumble dryers regardless of manufacturer UNLESS it is left&right/up&down sliding window. The window seal fits windows with a maximum perimeter of 157.5 inch.
  • ENVIRONMENT FRIENDLY: The whole world is short of energy, but the Homegoo window seal can help you to save energy by preventing warm air circulating in your room. At the same time, you can also save your money on electrical bills. Why not!
  • NOTE: 1. Please confirm the window type and measure your windows size before purchase. 2. Please fit with some adjustments and find best fit if your window is significantly smaller than 157.5'', and then you will get a good product experience. 3. If you have any other questions about installation please contact us.
Ranking 8
Groove Gap Cleaning Brush, Window and Sliding Door Track Cleaning Brush Tile Lines Brush,Window Blind Duster for Shower Shutter/Car Vents/Air Conditioner
  • ❤Material: The cleaner brush bristles are made of PP and iron wire. Reusable for long time. Length is 24cm (9.45 inch). Reasonable length, easy to handle and clean.
  • ❤Durable: Our material is high tensile and flexural strength, excellent heat deflection temperature, and superior abrasion and w❤Durable: Our material is high tensile and flexural strength, excellent heat deflection temperature, and superior abrasion and wear resistance, great for sweeping window shades and blinds.ear resistance, great for sweeping window shades and blinds.
  • ❤Save Space: Easy to store. Have strong flexibility, wear resistance and heat deflection.With hanging hole can hang up and occupy less space.
  • ❤Function: Functional nook cleaning brush. Instead of using hands to clean these hard-to-reach places,this window cleaning dustpan brushes is gonna make it easier for to clean any gap areas,corners or cranny in your house.
  • ❤Wide Application: This window track cleaning brush set can be used not only on the window,but also on keyboard, the glass door track,drawer corner,or any other small area in your house.
Ranking 9
Lyeiaa 400cm window seal for portable mobile air conditioner Hot Air Stop for All Mobile Air Conditioning kit and tumble dryer Easy to Install
  • NO MORE HOT AIR INCOMES :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 insects, mosquitoes, rain and crates a “closed environment” that keeps your room cool for longer.
  • INCREASE COOLING PERFORMANCE : Enjoy a cooler environment in summer ! 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 :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, 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 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 dryersregardless of manufacturer. Whether for windows that open to the left or windows that open to the right, bottom hung windows or skylights, Window Seal will do the job. Fits window with a maximum perimeter of 400 CM.
Ranking 10
JIANZHENKEJI Window Seal | Mobile Air Conditioners Sliding Window PVC Seal Kit | Multipurpose Window Vent, Suitable for Portable Air Conditioner with 5.9"/15cm AC Air Conditioner Diameter Hoses
  • User-friendly design: universal model, suitable for all portable air conditioners with 5.9" diameter hoses
  • Innovative ways:PVC clamping rail can be installed on all types of sliding windows both vertically and horizontally and can therefore be used variably.
  • Flexible use:6.3 "Width telescoping sealing rails, the seal size of the rail can be variably adjusted between 67 and 120 cm
  • Quality Assurance: durable PVC material, low weight can be easily attached and removed and stored space-saving when not in use.
  • Energy saving and reliable: The 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.

Thousands of products have been analysed before reaching the above ranking order of the best Window Air Conditioner. The main consideration points have been a combination of quality, price, brand reputation, and overall satisfaction from people who have bought and used the product.

To ensure your peace of mind, we update the Window Air Conditioner product table every month. This includes any new information about a product that the brand has released, or even if a new product has taken the market by storm. We update everything to ensure you have all the information you need before making a purchase.

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Sandra Rosenberg

Sandra Rosenberg

Kitchen and food junkie. I love everything to do with cooking and making my kitchen the best place in the house. If you have any questions, do let me know, I'm sure I can help if it's food-related :)