The best window seals for portable air conditioners are a great purchase for when you have a mobile AC unit. The primary function of air conditioners is to keep your room cool by venting out warm air.

However, this is not always the case, as warm air normally tends to come back and create discomfort. Well, this may force you to use your AC unit for an extended period, which, in turn, is likely to make your electricity bill shoot up.

But when you have a high-quality window seal, expect to enjoy staying in a cool place during hot summer. Window seals lock the hose of an air conditioner between the window and the window frame.

Besides, most of them have zippers that help hold the hose in place. They ensure that warm air vented out does not return. By so doing, window seals greatly improve the efficiency of air conditioners. And when they improve the efficiency of AC units, they help reduce electricity bills.

They also help conserve the environment by reducing the amount of carbon dioxide emissions. Best of all, window seals are able to do all these without letting mosquitoes, pests or insects get access to your room. Keep reading this article to know more about them.

8. Airly Window Seal for AC Unit

8. Airly Window Seal for AC Unit
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Air conditioners are designed to keep rooms cool. Well, if you want to improve the performance of yours, then you should consider adding the Airly Window Seal to your window.

This unit is specially designed for portable air conditioners. And it will keep the cool air inside your room. It works by effectively diffusing hot air out of the window. It tightly locks the hose from your air conditioner between the window frame and window.

Ideally, it is designed to fit windows with perimeter up to 158 inches. It creates a barrier around an open window and zips around a portable air conditioner exhaust hose. By so doing, it prevents the hot summer air from entering your room.

Given how it works, this window seal will no doubt make your portable air conditioner more efficient. Another benefit of having this unit is that it will not let in mosquitoes or flies.

Plus it is extremely easy to install, considering that it comes with all the necessary hardware. This window seal for portable air conditioner also comes with a 100-percent guarantee for peace of mind.

Pros

  • Easy to put up
  • Not unsightly if installed correctly
  • Great for a portable AC unit
  • Comes with a very clear manual

Cons

  • Adhesive could be stronger

7. HOOMEE 400 cm Universal Window Seal

7. HOOMEE 400 cm Universal Window Seal
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Hot air can cause all kinds of discomforts. That’s why you should consider this window seal for portable air conditioner. It is a well-thought-out unit that keeps the hot air from the hose away.

And it does that by locking the hose of your AC unit between the window itself and the window frame. Besides, this window seal is able to serve its purpose without letting in mosquitoes and other insects.

It also keeps out rain and creates what is known as a closed environment. The universal window seal will give you a chance to enjoy a cooler environment. It not only seals around an open window but also zips around the nozzle of the hose.

What’s more, this universal window seal plays a big role in reducing energy consumption as well as lowering carbon dioxide emissions, which tend to be high during summer because of the massive reliance on air conditioners.

The window seal works with windows with perimeter up to 400 centimeters. Ideally, it works with all kinds of windows.

Pros

  • Works as advertised and will not leak
  • The manufacturer’s customer service is very responsive
  • The price is affordable
  • Seems to be solidly constructed
  • Simple yet very practical

Cons

  • Instructions could be better

6. JOYOO Window Seal for Portable Air Conditioning

6. JOYOO Window Seal for Portable Air Conditioning
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This window seal for portable air conditioner is suitable for casement windows as well as push-in or push-out type of windows. It works with windows with a maximum length of up to 400 cm.

The window seal is, however, not suitable for sliding windows/doors, balcony door, which is too big for seal, and center pivot window. It is a fantastic unit, which ensures that the warm air given out by your portable air conditioner does not spread and cause discomfort in your living space.

It seals around an open window and zips around the nozzle of the air conditioner hose. By so doing, the window seal stops the flow of warm air from returning. Besides, this unit plays a significant role in making an air conditioner as efficient as possible.

You do not need to drill any holes to assemble it. Having said that, expect to have a much easier time putting it up and using it to keep your home cool in summer.

Pros

  • Seals tightly and works great
  • Very simple to install
  • Great for tilt casement windows
  • The price is inexpensive
  • Simple, effective, and seems to be of great quality
  • The manufacturer/seller ships it quickly

Cons

  • Does not come with instructions

5. Lecheery AirLock Window Seal for Mobile Air-Conditioning Units

5. Lecheery AirLock Window Seal for Mobile Air-Conditioning Units
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One great thing about this window seal for portable air conditioner is that it is not just easy to install but also it is extremely easy to remove. This means when the weather turns chilly, you can remove it and then store it until next summer.

It is a reliable window seal that’s designed to fit windows measuring at least 4 meters. As such, it may not perfectly fit windows that are smaller than 4 meters. The seal is made of a nylon material so it can hold up well to huge demands of summer.

What’s more, it comes with a zipper that helps ensure that hose completely channels warm air out of the house. The window seal is ideal for single-tube and dual-tube air conditioners.

Plus it works with commonly used window types such as wings and tilting windows. However, it is not compatible with casement windows or a balcony door, which opens outwards. It is a perfect purchase for anyone who wants to keep their rooms cooler in a quicker and more efficient manner.

Pros

  • Works great with a portable AC
  • Installation is quick and easy
  • Does the job once it is installed

Cons

  • Not compatible with many types of windows

4. MorningRising Flexible Cloth Sealing Plate Window Seal

4. MorningRising Flexible Cloth Sealing Plate Window Seal
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Although the price of this window seal is cheap, the manufacturer has done a great job in making sure it is one of the best in the market. Installing it is quick and easy, meaning you will have it working in no time.

Ideally, this window seal is perfect for both dual-tube and single-tube portable air conditioners. Plus it is designed to work with commonly used windows, which are wings and tilting windows.

Nevertheless, the window seal does not work with a casement window or a balcony door, which opens outwards. It is designed to fit windows with a maximum perimeter of 158 inches.

Furthermore, this window seal is designed with convenience in mind in the sense that it will not interfere with how a window works. That being said, you will be able to close your window normally without removing the gasket.

The window seal is a highly functional unit, which ensures that vented air does not come back into your room. So, grab it now and thank us later.

Pros

  • Offers a perfect way to keep warm air out
  • Easy to assemble and the sticky parts stay put
  • Allows you to close the window without removing the gasket

Cons

  • Instructions could be more detailed

3. FUNTECK Window Seal Kit

3. FUNTECK Window Seal Kit
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Before you buy the FUNTECK Window Seal Kit, it is important to measure your window. This ensures that you are not inconvenienced in any way. The AC window seal kit is designed to work with windows with perimeters less than 157 inches.

Moreover, it has innumerable benefits such as making a mobile air conditioner more efficient; dropping the temperature of a room quicker; saving the user a few bucks on electricity bills, and keeping mosquitoes at bay.

It is made of a polyester PU coated fabric, which is waterproof. Well, this will give you peace of mind if your window opens outwards. The fabric is durable to ensure ultimate reliability.

Installing this window seal is insanely easy and takes just a few minutes. This is because you will not need to drill any holes. The window seal works on wooden frame windows and aluminum framed windows.

It offers a practical solution to seal your window so vented air does not return. Additionally, this window seal is affordable, and this means you can get it even when you are on a budget.

Pros

  • Very easy to install
  • Works as advertised once installed
  • The fabric is waterproof
  • Works with aluminum-framed and wood-framed windows

Cons

  • Not for smaller windows

2. FUNTECK Snap Shut Automatically Door Seal

2. FUNTECK Snap Shut Automatically Door Seal
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Choosing a durable door seal for your portable air conditioner or tumble dryer cannot be overlooked. This is because door seals are always exposed to elements. Well, the FUNTECK Door Seal fits the bill as far as durability is concerned.

It is also waterproof to give you peace of mind, especially if you have a door that opens outwards. Its durability and waterproofing feature is as a result of the polyester PU fabric it is made of.

Moreover, this door seal is designed to work with any sliding door such as a patio door or balcony door. It works with doors measuring 90 by 210 cm (34” by 82”). And its job is to minimize the transfer of heat, which it achieves by maintaining a uniform environment inside the room.

The best part of having this door seal is that it will not allow mosquitoes to get inside the house yet it lets in pets like dogs and cats. In addition, the door seal is lined with magnet strips, meaning you will be able to walk through it when your hands are full.

Pros

  • Has a waterproofing feature
  • Installation is quick and simple
  • The price is reasonable

Cons

  • The tape could be stronger

1. AC Parts 157” Window Seal for Mobile Portable Air Conditioner

1. AC Parts 157” Window Seal for Mobile Portable Air Conditioner
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If you want to enjoy staying in a cool place during the hot summer, you should not just acquire a portable air conditioner but also you should consider having a window seal. And there is no window seal that works better than the AC Parts 157” Window Seal.

It will lock the hose of your air conditioner with the window and the window frame. By so doing, the window seal ensures that warm air vented out is completely prevented from coming back into the room.

The window seal fits universal windows, and this means it is suitable for windows that open to the right and left. It is also compatible with bottom hung windows and skylight. The material used to make this window seal is white Dacron material.

It is both waterproof and UV-proof. Having said that, expect this window seal to stand the test of time. In addition to preventing warm air from returning, the window seal will keep out mosquitoes, rain, pests, and insects from getting into your house.

Pros

  • The idea of this product is amazing
  • Will help you keep fresh cool air in your room
  • Easy to install and fits well in standard frames
  • Perfect for those with a portable AC unit but lacking vent ports

Cons

  • The magnetic strip could be stronger

Conclusion

Window seals for portable air conditioners are an excellent purchase for anyone with a mobile AC unit. They do a great job of making sure that warm air vented out does not come back. They are affordable yet a good number of them are built to last. If you were looking for one, we hope that you have found this article helpful.

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