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Home » Best Tapes For Sealing Window Air Conditioners 2022

Best Tapes For Sealing Window Air Conditioners 2023

December 15, 2022 by Editorial Team

Both window ACs and portable room coolers are a great alternative to traditional window-mounted central air conditioning, especially if you have a smaller apartment or a rental. But whether you’re shopping for a portable AC or a window unit, you may be worried about how to seal up your window frames so the cool air doesn’t leak out into the rest of the apartment. Instead of going through the hassle of taping up your windows yourself, we decided to test how well various tapes worked at sealing up air conditioners in action.

To find the best window tape for your AC, we researched a variety of window tapes and tested how well they worked at sealing up a window AC. Not all window tapes are the same and some are definitely better than others.

Here are the best tapes for sealing window air conditioners.

# Preview Product Price
1 Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 42-Inch, 2-1/4 Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 42-Inch, 2-1/4″ W, 2-1/4″ T, L, Dark Gray $5.99 Buy on Amazon
2 2 Rolls 1.18 Inch X 1 Inch Open Cell Foam Tape for Window Air Conditioner Insulation,High Resilience Weatherstrip Window Seal,Block The Draft and Cool Air Loss,Total 10FT 2 Rolls 1.18 Inch X 1 Inch Open Cell Foam Tape for Window Air Conditioner Insulation,High Resilience Weatherstrip Window Seal,Block The Draft and Cool Air Loss,Total 10FT $13.99 Buy on Amazon
3 Yotache Self Sticking Foam Insulation Tape 2 Yotache Self Sticking Foam Insulation Tape 2″ W X 3/8″ T, Weather Strip Seal for RV, Air Conditioner Window, Automotive, Garage Door, 6.5 Ft Length $18.99 Buy on Amazon
4 Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches $21.84 Buy on Amazon
5 Portable Air Conditioner Window Kit with 5.9 Portable Air Conditioner Window Kit with 5.9″ Coupler & Sealing Tape, Universal Sliding Window Slide Seal Plates for AC Unit, AC Window Vent Kit, AC Window Seal Accessories $21.99 Buy on Amazon
6 yotache Window Air Conditioner Foam Insulating Strip 2 Pcs 1 X 1 Inch, No Glue Thick Foam Weather Seal Tape with High Resilience, 6.5 Feet Long yotache Window Air Conditioner Foam Insulating Strip 2 Pcs 1 X 1 Inch, No Glue Thick Foam Weather Seal Tape with High Resilience, 6.5 Feet Long $13.88 Buy on Amazon
7 BJADE'S Window Seal Kit for Portable Air Conditioner of Exhaust Hose 5.1 Inch Diameter with Insulating Sealing Tape,Adjustable Portable AC Window Vent Kit for Sliding Glass Windows. BJADE’S Window Seal Kit for Portable Air Conditioner of Exhaust Hose 5.1 Inch Diameter with Insulating Sealing Tape,Adjustable Portable AC Window Vent Kit for Sliding Glass Windows. $15.99 Buy on Amazon
8 Yotache White Foam Weather Stripping Adhesive 2 Inch Wide X 3/8 Inch Thick, for Windows Air Conditioning AC Insulation, Garage Door Sealing, Total 6.5 Feet Long Yotache White Foam Weather Stripping Adhesive 2 Inch Wide X 3/8 Inch Thick, for Windows Air Conditioning AC Insulation, Garage Door Sealing, Total 6.5 Feet Long $18.58 Buy on Amazon
9 MAGZO Adhesive Foam Weather Stripping 1 Inch W X 1 Inch T, Thick Window Air Conditioner Sealer Open Cell High Resilience, Total Length 13 Feet (6.5ft x 2 Rolls) MAGZO Adhesive Foam Weather Stripping 1 Inch W X 1 Inch T, Thick Window Air Conditioner Sealer Open Cell High Resilience, Total Length 13 Feet (6.5ft x 2 Rolls) $14.85 Buy on Amazon
10 High Density Insulation Tape, Foam Tape with Adhesive- Weather Stripping, Waterproof, Door Seal, Windows, Air Conditioning, HVAC, Pipes, Adhesive Insulation Strips (White, 33Ft x 1/8” x 2”) High Density Insulation Tape, Foam Tape with Adhesive- Weather Stripping, Waterproof, Door Seal, Windows, Air Conditioning, HVAC, Pipes, Adhesive Insulation Strips (White, 33Ft x 1/8” x 2”) $11.98 Buy on Amazon

Our Editor’s Best Tapes For Sealing Window Air Conditioners Reviews


Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 42-Inch, 2-1/4″ W, 2-1/4″ T, L, Dark Gray

 Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 42-Inch, 2-1/4

Key Features:

  • This is a roll of adhesive-backed foam weather-stripping. It is used to seal the gap around window air conditioners, preventing drafts and saving energy.

  • The tape is designed to seal out air, insects, and dust from window air conditioners. It is made from a resilient, compressible material that can withstand repeated compressions and expansions.

  • This is a type of tape that is used to seal window air conditioners. It is made from open cell foam and is designed to create a tight seal around the unit.

$5.99 Buy on Amazon


2 Rolls 1.18 Inch X 1 Inch Open Cell Foam Tape for Window Air Conditioner Insulation,High Resilience Weatherstrip Window Seal,Block The Draft and Cool Air Loss,Total 10FT

 2 Rolls 1.18 Inch X 1 Inch Open Cell Foam Tape for Window Air Conditioner Insulation,High Resilience Weatherstrip Window Seal,Block The Draft and Cool Air Loss,Total 10FT

Key Features:

  • This is a safe and environmentally friendly foam seal tape that is designed to reduce heat loss in the winter and keep cool air indoors in the summer. It is flexible and non-toxic, making it a great choice for sealing window air conditioners.

  • The tape is made of foam and is designed to be weatherproof, corrosion-resistant, shock-absorbing, and sound-insulating. It is also flame-retardant.

  • The self adhesive foam insulation weather stripping is a tape that is used to seal window air conditioners. It has a strong backing glue that is non-degumming and adhesive to various materials.

  • The Open Cell Foam Strip is a type of tape that is used to seal window air conditioners. It is also used in various other applications such as door seal and window insulation, furniture, electrical cabinets, cars, speakers, toy, handicraft, DIY, sports equipment, door frame seal, AC insulation, or as a hat size reducer foam tape.

  • These are foam seal strips that are easy to install and cut to size. They can be used to seal window air conditioners and prevent drafts.

$13.99 Buy on Amazon


Yotache Self Sticking Foam Insulation Tape 2″ W X 3/8″ T, Weather Strip Seal for RV, Air Conditioner Window, Automotive, Garage Door, 6.5 Ft Length

 Yotache Self Sticking Foam Insulation Tape 2

Key Features:

  • If you are looking for an easy and affordable way to seal your window air conditioner, then these tapes are perfect for you! The package includes 1 roll of 2 in x 3/8 in x 6.5 ft foam tape, which is easy to customize and cut to size with scissors or a blade. Plus, the weather strip can easily be bent to conform to any shape.

  • The tape is made from high quality materials that are environmentally friendly, toxic-free, weather proof, oil resistant, resistant to corrosion, dust proof, shock-absorbing, anti-vibration, buffering, sealing, flame retardant, sound proof, heat insulation, anti-skidding, and insulating.

  • These are tapes for sealing window air conditioners. They have a strong grid adhesive backing that is waterproof and non-degumming. They can be used from -50℃ to 150℃.

  • These are adhesive foam strips used to seal window air conditioners. They are also useful for sealing doors and windows, and can be used on furniture, electrical cabinets, cars, boats, speakers, toys, handicrafts, sports equipments, vents, and air conditioners.

  • The tapes for sealing window air conditioners are made of foam and are designed to provide a snug, air-tight seal around the air conditioner unit. The tapes are easy to apply and can be cut to size, if necessary. The set includes four rolls of tape, each measuring 3/4″ wide by 84″ long.

$18.99 Buy on Amazon


Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches

 Window Seal for AC Unit – Window Seal For Portable Air Conditioner – Sealing AC with Zip and Adhesive Fastener – Best Way to Seal Casement Window With Maximum Length of 158 inches

Key Features:

  • This product is designed to keep the cool air from your air conditioner inside your room, and prevent hot air from entering. It does this by sealing the area around the hose that goes from the air conditioner to the window. This seal is designed to fit windows with a maximum perimeter of 158 inches.

  • These are tapes for sealing window air conditioners. They go around the window frame and the exhaust hose of the air conditioner to prevent hot air from coming into the room. This makes the air conditioner more efficient.

  • If you are looking for a way to keep insects out of your home, these tapes for sealing window air conditioners may be a good option for you. According to the description, they can help to keep flies and mosquitos out, so you can enjoy your space without them.

  • The tapes are designed for easy installation of window air conditioners, with clear instructions and pictures included in the package. The tapes are best used on casement windows of up to 158 inches in perimeter.

$21.84 Buy on Amazon


Portable Air Conditioner Window Kit with 5.9″ Coupler & Sealing Tape, Universal Sliding Window Slide Seal Plates for AC Unit, AC Window Vent Kit, AC Window Seal Accessories

 Portable Air Conditioner Window Kit with 5.9

Key Features:

  • This tape is made of high-quality PVC material, is detachable and lightweight, and is easy to install and disassemble. It is perfect for home and office use and can be folded together so it doesn’t take up space.

  • This is a window air conditioner sealing kit that includes 4 seal plates, 1 coupler, and 5 screw accessories. The seal plates and coupler are adjustable to fit most sliding windows, and the kit is compatible with most brands of air conditioners.

  • The tape is used to seal the window gap so that hot air cannot enter the room. This will keep the room cool and save on power.

  • This tape is easy to install and does not require any tools. It is easy to slide the seal plates and lock them into place. This tape is also labor-saving, so women can complete the installation.

  • This tape is used to seal window air conditioners. It is easy to install and remove, and can be used to store the air conditioner.

$21.99 Buy on Amazon


yotache Window Air Conditioner Foam Insulating Strip 2 Pcs 1 X 1 Inch, No Glue Thick Foam Weather Seal Tape with High Resilience, 6.5 Feet Long

 yotache Window Air Conditioner Foam Insulating Strip 2 Pcs 1 X 1 Inch, No Glue Thick Foam Weather Seal Tape with High Resilience, 6.5 Feet Long

Key Features:

  • These are premium quality foam tapes designed for sealing window air conditioners. They are made from NBR+PVC foam material which is environment friendly and soft. They have superior weather resistance and are flame retardant. They can be used in a wide range of temperatures, from -40℃ to 90℃.

  • The tape is easy to use and can be placed on top of the unit and lower window to compress the seal for the best insulation. It provides all season protection to seal in climate-controlled air, seal out drafts and dust, and reduce noise and vibration from the outside.

  • This is a two-pack of foam tape that is 1 inch by 1 inch and 6.5 feet long. The total length of the two rolls is 13 feet. The tape is adjustable and flexible, and can be easily cut to size and bent to any shape.

  • The tapes for sealing window air conditioners are made of high quality materials that are resistant to compression and deformation. They are also very elastic and durable, so they can quickly return to their original shape after being compressed. These tapes will provide long-term shock protection for your equipment.

  • The tapes are meant to seal window air conditioners so that they are more efficient. The company promises satisfaction with the product and responsive customer service.

$13.88 Buy on Amazon


BJADE’S Window Seal Kit for Portable Air Conditioner of Exhaust Hose 5.1 Inch Diameter with Insulating Sealing Tape,Adjustable Portable AC Window Vent Kit for Sliding Glass Windows.

 BJADE'S Window Seal Kit for Portable Air Conditioner of Exhaust Hose 5.1 Inch Diameter with Insulating Sealing Tape,Adjustable Portable AC Window Vent Kit for Sliding Glass Windows.

Key Features:

  • The tape is designed to seal window air conditioners that have a 5-inch diameter air outlet.

  • These are tapes for sealing window air conditioners for a shopper. They can be installed vertically and horizontally on all sliding windows, but cannot be used with casement windows. The vent kit consists of 3 plates, totaling 120 cm/47 inches in length, which should be able to meet most common windows in homes.

  • These tapes are designed to seal window air conditioners in order to prevent hot or cold air from escaping. They come with sealing tape which will effectively isolate the hot or cold air and also strengthen the plates.

  • These are easy-to-install window air conditioner sealing panels that do not require a hose adapter. You can simply slide the panels together to the desired length and they will be easy to remove and store for next summer.

  • These are air conditioner sealing tapes made of durable PVC material, light weight, and easy to install and remove. Perfect for home and office use.

$15.99 Buy on Amazon


Yotache White Foam Weather Stripping Adhesive 2 Inch Wide X 3/8 Inch Thick, for Windows Air Conditioning AC Insulation, Garage Door Sealing, Total 6.5 Feet Long

 Yotache White Foam Weather Stripping Adhesive 2 Inch Wide X 3/8 Inch Thick, for Windows Air Conditioning AC Insulation, Garage Door Sealing, Total 6.5 Feet Long

Key Features:

  • The package includes 1 roll of 2 in x 3/8 in x 6.5 ft foam tape. The foam seal tape is easy enough to customize and cut to size with scissors or blade, and bend easily and conform to any shape, which ensures quick and easy installation.

  • The tapes are made from a high quality material called EPDM. They are weather proof, oil resistant, resistant to corrosion, dust proof, shock-absorbing, anti-vibration, buffering, sealing, flame retardant, sound proof, heat insulation, anti-skidding and insulating.

  • The tape is designed to seal window air conditioners and has a strong grid adhesive backing. It is waterproof and non-degumming, and stick firmly.

  • The tapes can be used for sealing window air conditioners and for insulation. They are made of foam and are self-adhesive.

  • The tapes are for sealing window air conditioners and are 100% satisfaction guaranteed. They are made of foam insulation and are easy to use.

$18.58 Buy on Amazon


MAGZO Adhesive Foam Weather Stripping 1 Inch W X 1 Inch T, Thick Window Air Conditioner Sealer Open Cell High Resilience, Total Length 13 Feet (6.5ft x 2 Rolls)

 MAGZO Adhesive Foam Weather Stripping 1 Inch W X 1 Inch T, Thick Window Air Conditioner Sealer Open Cell High Resilience, Total Length 13 Feet (6.5ft x 2 Rolls)

Key Features:

  • The product is a two-roll pack of single-sided weather stripping foam tape. The tape is 1 inch wide and 1 inch thick, and each roll is 6.5 feet long. The tape can be cut to any length needed with a blade.

  • These are tapes designed to seal window air conditioners, and they are made from a high-resilient material that quickly snaps back into shape after being compressed. This provides good shock protection for the air conditioner.

  • If you are looking for a tape to seal your window air conditioner, this tape may be a good option for you. This tape has a strong adhesive backing which will keep the seal in place.

  • These are tapes for sealing window air conditioners. They are made of CR foam and neoprene, which is toxic-free and provides long-term protection.

  • This tape is used for sealing window air conditioners. It is made of open cell foam and can be used for various purposes, such as insulation, shock absorption, sound absorption, weatherproofing, and insect proofing.

$14.85 Buy on Amazon


High Density Insulation Tape, Foam Tape with Adhesive- Weather Stripping, Waterproof, Door Seal, Windows, Air Conditioning, HVAC, Pipes, Adhesive Insulation Strips (White, 33Ft x 1/8” x 2”)

 High Density Insulation Tape, Foam Tape with Adhesive- Weather Stripping, Waterproof, Door Seal, Windows, Air Conditioning, HVAC, Pipes, Adhesive Insulation Strips (White, 33Ft x 1/8” x 2”)

Key Features:

  • This tape is designed to seal window air conditioners and keep them in place. The tape is made from a high-quality, ultra-strong adhesive that will not peel off.

  • These tapes are designed for durability and can be used to insulate against vibrations, scratches, and squeaks.

  • This tape is perfect for sealing window air conditioners! It’s water resistant, weather resistant, and temperature resistant, so it will keep your air conditioner sealant in place no matter what the conditions are like outside. Plus, it’s also chemically resistant, so it won’t be affected by any cleaning products you use on your air conditioner.

  • This tape is designed to provide an airtight seal for window air conditioners. It is made from high density foam and can be used for weather stripping or insulation.

  • This tape is ideal for sealing window air conditioners. It is made of one sided foam insulation and can be used for doors, vents, windows, air conditioners, pipe insulation, plumbing, HVAC and so on.

$11.98 Buy on Amazon


Best Tapes For Sealing Window Air Conditioners Buying Guide

Before choosing the best tapes you should consider following options:

1. Adhesive Strength: When it comes to adhesives, the stronger the better. Look for tapes that are water resistant and have a thick adhesive.

2. Color Options: Most tapes come in white or black. White is the standard color for most tapes. However, if you need a different color, there are options available.

3. Seal Strength: The seal strength of a tape is important when it comes to preventing leaks. Stronger tapes will leave a smaller gap between the window and the air conditioner, which will result in less leaks.

4. Ease of Application: Tapes that are easier to apply will make the job easier. Look for tapes that have a smoother finish and less ridges.

5. Cost: The price of tapes can vary greatly. You will find some tapes are more affordable while others are more expensive.

6. Warranty: Look for tapes that come with a long warranty. A longer warranty means the company believes in the quality of the tape.


Tapes For Sealing Window Air Conditioners FAQs

1. What are the dimensions of a typical window air conditioner?

A typical window air conditioner is about 12 inches tall, 18 inches wide, and 20 inches deep.

2. How much do window air conditioners weigh?

Window air conditioners weigh between 50 and 150 pounds.

3. What is the BTU rating of a typical window air conditioner?

The BTU rating of a typical window air conditioner is about 5,000.

4. How many amps does a typical window air conditioner use?

Most window air conditioners use between 5 and 7 amps.

5. What is the EER rating of a typical window air conditioner?

The EER rating of a typical window air conditioner is about 10.


Conclusion

There are many great tapes for sealing window air conditioners on the market. Our list of the best tapes for sealing window air conditioners will help you save time researching and choosing the best one for you.

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