Best window seals for portable air conditioners

If you own a portable air conditioner, you definitely understand how inconvenient it is to leave the windows open at night for the ducts to pass through.

Not only will more cool air come in when you are trying to heat the room, but you are also inviting insects and compromising your home’s security. This is why you should consider investing in a window seal for your AC.

The best window seal for a portable air conditioner should not only make your apartment cooler and comfortable but also assist you in keeping mosquitoes away.

While it is necessary to use a portable aircon window seal, finding the best isn’t easy. We’ve researched so that you don’t have to spend lots of your precious time on this tedious task.

Below are some of the factors we considered, but if you are in a hurry, skip down to the list of aircon window seals.

5 top-rated window seals for portable air conditioners

There are hundreds of window seals in the market. That’s why we’ve done comprehensive research, reviewed, and tested them to determine those that offer the best value for money.

1. Airly window seal for AC unit

If you are looking for a window seal that is reliable, budget-friendly, and easy to install, Airly window seal for portable air conditioners is a perfect choice for you.

The window seal for the mobile air-conditioning unit is also an ideal choice for you if you are tired of mosquitos and insects.

Some of the key features of the Airly window seal include the following. First, the seal comes with an installation process that is easy to follow. Second, the seal is one of the most efficient window seals in the market in terms of keeping the hot air out.

  • Easy to install and use.
  • The seal can fit in most windows.
  • The construction material is top-notch.
  • The seal is durable, thanks to the thick protective fabric.
  • Not compatible with some sliding windows

2. Hoomee 400 cm Universal Window Seal

Homee Window Air Con

Hoomee 400 cm universal window seal is one of the best choices you can make, based on several factors. First, the Hoomee seal is one of the most comfortable brands to install. Second, the functionality of this seal is top-notch.

Thirdly, the seal is one of the best seals in terms of energy consumption. In addition, Hoomee is synonymous with thick protective fabric, and this seal is not different from other seals by the company.

  • The seal is universal and can fit many window openings.
  • Its price is ideal for most homeowners
  • The seal is solidly constructed.
  • The installation process is simple and straightforward.
  • It is durable
  • The installation instructions are wordy and daunting.
  • Incompatible with some sliding windows.

3. Agptek 400cm Window Seal for Portable Air Conditioner and Tumble Dryer

Agptek 400cm Window Seal for Portable Air Conditioner

If you need a universal window seal for an environmentally friendly portable air conditioner, the Agptek 400cm window seal is a perfect choice.

In addition to being an environmentally friendly seal, it is highly efficient in making your home serene and habitable during hot seasons.

The seal also comes with adhesive hook tape, eliminating the need to drill holes or use sophisticated tools. The seal is also convenient, and as a homeowner, you can open your windows anytime without affecting the Agptek 400cm window seal setup.

  • Agptek 400cm window seal is easy to install.
  • It is durable, thanks to its construction materials.
  • The seal is ideal for any window.
  • The installation process is straightforward.
  • If you do not follow the installation process well, you can quickly get air leaks through the seal fabric.

4. Aozzy Portable Air Conditioner Plastic Window Kit

Gulrear Portable AC Window Kit

Aozzy portable aircon window kit is an adjustable and efficient window seal.

For a seamless installation process, the seal comes with three (3) plates, one (1) tape, and two (2) bolts as accessories.

The window air conditioner seal kit also uses minimal energy, and therefore, it is environmentally friendly.

  • The window seal is made of PVC materials, and therefore, it is durable.
  • The installation process is straightforward.
  • The window seal is adjustable and, therefore, ideal for most windows.
  • The starting price for this window seal is affordable.
  • The instructions are wordy, and although the installation process is straightforward, most people may find it hard to follow the provided instructions.

5. Mixhomic 400cm Window Seal Universal Portable Air Conditioner and Dryer

Mixhomic Window Seal Universal

Are you unsure how to seal your window using a portable air conditioner? Mixhomic 400cm window seal is undoubtedly one of the most reliable seals to install, regardless of your window type.

The window seal for ac is also a good option for keeping the apartment fresh during the hot season.

  • Affordable.
  • The installation process is simple, and you do not need experience installing seals.
  • The seal is durable.
  • The fabric is not ideal for a harsh environment.

Factors to consider before buying a portable ac window seal

Different companies have different approaches when making window seals. However, the following four factors should help you make the right decision.

  1. The installation process: If the process is straightforward, you do not have to pay a professional to install the portable air conditioner window seal.
  2. The seal material: The higher the seal materials, the more durable the seal is. Besides, high-quality materials also ensure that the seal is ideal in harsh weather conditions.
  3. Vent fitting: When investing in a window seal for a mobile air-conditioning unit, it is advisable to consider vent fitting. An ideal seal should fit in more than one window vent.
  4. Design: The color and design of the seal should complement your apartment’s interior design.


Although duck-tapping your AC vent will still ‘works fine,’ you should consider investing in a window seal for maximum results. All five options are affordable, regardless of what you want.

Besides, all these options are also environmentally friendly. You cannot go wrong with any of them if you find one that fits your window and is within your price range.