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400CM (157")Universal Window Seal for Portable Air Conditioner And Tumble Dryer – Works with Every Mobile Air-Conditioning, Easy to Install - Air Exchange Guards With Zip and Adhesive Fastener

4.1 4.1 out of 5 stars 26,897 ratings

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Window 400CM

Purchase options and add-ons

Product Dimensions 157.48"L x 16.93"W
Brand HOOMEE
Color White
Room Type Bathroom

About this item

  • 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 unwanted guests, 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 dryers regardless 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 400 CM(157")

Customer ratings by feature

Easy to use
4.5 4.5
Adhesion
4.3 4.3
Value for money
4.2 4.2
Easy to install
4.0 4.0

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$21.99
Get it as soon as Sunday, Mar 24
In Stock
Sold by HOOMEE DIRECT and ships from Amazon Fulfillment.
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Product Description

SAY GOODBYE TO WARM AIR AND WELCOME A COOL BREEZE!

HOOMEE Window Seal stops warm air flowing from AC coming back in your room, so your living room, your office, your bedroom cools down quicker and stays cooler for longer. Enjoy the high quality material of the window seal for many hot summers to come. The window seal is water repellent and protects rain from entering your home when you left the window open.

For tips and information on how to chose the right window seal size for your window and correctly install the window seal can you watch our HOOMEE WINDOW SEAL INSTALLATION VIDEO

window seal air conditioner mobile portable airlock

CHOOSING THE RIGHT SIZE - HASSLE FREE INSTALLATION

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

WATER REPELLENT AND HIGHEST MATERIAL QUALITY

  • The window seal repels moisture and protects against rain
  • The zippers are high quality incorporated into the material
  • The loop tape is sewn tightly to the window seal

WHICH IS THE RIGHT SIZE FOR MY WINDOW?

  • Calculate the perimeter of your window
  • Choose the window seal size that is longer and closer to your perimeter.

E.g. a+b+c+d = 380 cm, the right size is 400 cm

IDENFITY THE RIGHT SIDES OF THE WINDOW SEAL

  • Lay the cloth window seal flat on a table
  • Curved part is BLUE, the wider side of the window seal
  • Straight part is GREEN, the narrow side
  • RED Dot indicates the middle of the window seal

Fit Your Window Seal Perfectly

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

INSTALL THE WINDOW SEAL

  • Start from matching the middle of the narrow side GREEN to the window handle (RED DOTS)
  • Stick wide side BLUE to the window frame
  • Stick narrow side GREEN to the window casement
  • Close the window and make sure the window seal isn't clamped

INSERT THE HOSE...

  • Open the window slightly
  • Pinch air hose by using the zipper
  • Lock the hose using the cable tie provided

...OR TWO HOSES!

There are two zippers provided for a second hoses, using the cable tie provided

SUITABLE FOR MANY WINDOW TYPES!

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

window seal air conditioner mobile portable airlock

HOOMEE Window Seal is also suitable for top-hung roof top windows.

HOOMEE Window Seal is also suitable for outward open casement windows.

HOOMEE Window Seal is also suitable for outward open casement windows.

window seal air conditioner mobile portable airlock

ALTERNATIVE WAY OF HOOK TAPE APPLICATION

  • For certain window types and window corners can it be better to install the hook tape on the side of the window casement. This way the window can still be closed when the window seal is installed. IF YOUR WINDOW HAS A SPECIAL SHAPE AND THE WINDOW SHOULD NOT CLOSE EASILY WHEN THE WINDOW SEAL IS INSTALLED CAN YOU SIMPLY REMOVE THE WINDOW SEAL FROM THE HOOK TAPE OF THE WINDOW CASEMENT AND CLOSE THE WINDOW
  • Another tip is to stick the hook tape on the outer edge of your window frame. This allows you to open and close your window effortlessly

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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HOOMEE 400CM (157")Universal Window Seal for Portable Air Conditioner And Tumble Dryer – Works with Every Mobile Air-Conditioning, Easy to Install - Air Exchange Guards With Zip and Adhesive Fastener


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Customer reviews

4.1 out of 5 stars
4.1 out of 5
26,897 global ratings

Customers say

Customers like the ease of installation and performance of the window shade. They say the instructions are worth reading several times. They also say it works well for using with condo windows and a portable air conditioner. Customers also like the value. However, some customers are disappointed with the velcro and differ on quality, fit, seal, and appearance.

AI-generated from the text of customer reviews

247 customers mention187 positive60 negative

Customers find the installation process of the window shade to be easy. They mention that the instructions are worth reading several times, and the product is a quick fix to use with a portable AC unit. Customers also appreciate the ease of use and the fact that it allows light to come in.

"...That being said install was easy in since that your just sticking up Velcro strip and attaching material to fabric...." Read more

"...This thing just works. It isn't that complicated to set up (even though their instructions make it seem so)...." Read more

"...This seems to be the easiest option for installation. I looked at the directions, it's fairly common sense. Stick on the Velcro and then attach it...." Read more

"...The zipper for the hose fits nice and snug. The instructions were not that easy to follow, but when I laid everything out, it made sense." Read more

219 customers mention197 positive22 negative

Customers like the performance of the window shade. They say it works well for use with condo windows and portable air conditioners, and it functions and finishes better than other products. Some say the price is worth every penny.

"Works great on our windows that crank outward.Customer service was awesome...." Read more

"...I paid full price for this and it was worth every penny." Read more

"...It works fine and really that is all I needed. My daughter has not complained once, that in itself is a miracle...." Read more

"...This product is awesome in how well it works! The Velcro really helps to seal everything to keep out bugs and the elements...." Read more

45 customers mention36 positive9 negative

Customers like the value of the window shade. They say it's a low-cost solution that avoids expensive window modification. Customers also say that it' s simple and easy to install.

"...wanting to cut a hole in my wall for a vent, I found this simple and affordable solution...." Read more

"...LOVE, LOVE, LOVE this product. A inexpensive and quick fix to use a portable AC unit with casement windows. Would recommend it without hesitation...." Read more

"...is what lead me to make the purchase because compared to others it’s affordable...." Read more

"...Very unhappy. Mentally emotionally and financially taxing. If you’re renting - this isn’t it." Read more

142 customers mention90 positive52 negative

Customers are mixed about the quality of the window shade. Some mention it's incredibly effective at keeping out the cold, looks great, and is really well made. However, others say that it doesn't keep the heat out so well, and it gets very bright/hot when the sun hits it.

"...For sure was a game changer for the cooling ability of our portable a/c unit.Very pleased with the quality and durability of this product...." Read more

"...Stick on the Velcro and then attach it. It attaches fine. The vinyl is thin and flaps in the breeze if you don't get it tight enough...." Read more

"...The material is high enough quality that I don't expect it to degrade significantly in the near future, the zippers move pretty easily around the..." Read more

"...It’s only been a week since I installed it, but it’s holding up fine and I’m so happy with it so far...." Read more

72 customers mention27 positive45 negative

Customers are mixed about the fit of the window shade. Some mention that it fits great, while others say that it doesn't fit. The velcro is sometimes too big, leaving no room for error. Some customers also say that the plastic piece never fit the window, and that it cracked after duct tape was applied.

"...I mentioned that I got one which is slightly too big for my window - I rolled up the extra material in the area where I wasn't able to finish..." Read more

"...So far, it’s exactly what I thought it’d be. It fit fairly well in my door and doesn’t intrude or prevent me from closing the normal door...." Read more

"...thing I struggled with was the outside part of the window because it is so narrow and I was trying to keep the Velcro from sticking to the sides..." Read more

"...The plastic piece never fit the window, then it cracked and we just duct taped it, it was a mess...." Read more

65 customers mention28 positive37 negative

Customers have mixed opinions about the seal of the window shade. Some mention that the plastic is on, and to ensure a tight seal, the zippers move pretty easily around the seal. However, others say that it's impossible to fully seal the zipper around the hose, rain seeps through the zipper, and the seal is not airtight.

"...I have a few more issues with this one. First, there’s only one zipper in the middle (where you walk through)...." Read more

"...The zipper for the hose fits nice and snug. The instructions were not that easy to follow, but when I laid everything out, it made sense." Read more

"...used one threaded through the zipper pulls to hold it shut but it doesn’t seal tight and I was worried about bugs so I used the handy woman’s secret..." Read more

"...it to degrade significantly in the near future, the zippers move pretty easily around the seal, and overall I'm pretty happy with it." Read more

46 customers mention28 positive18 negative

Customers are mixed about the appearance of the window shade. Some mention that it is a beautiful idea and not suitable for very hot, while others say that it's not pretty and it looks a little clunky.

"This is a great idea with an interesting implementation, and with a few minor alterations to the design it would be perfect...." Read more

"Just keep in mind that the fabric is pretty thing but it is wind-proof...." Read more

"Despite the difficulty of installation, it is a beautiful idea and is not suitable for very hot areas" Read more

"Looks great and is really well made. It took us a minute to figure out how to tuck the end in to make it look nice but we got it...." Read more

57 customers mention14 positive43 negative

Customers have negative opinions about the velcro of the window shade. They mention that the stickiness of the Velcro came off, the adhesive does not last up to the tension and heat, and it was very hard sticking the Velcron on the part of the windows frame and window that they want to cover. Some say that the VELCRO WILL LEAVE RESIDUE and that there was absolutely no extra velcron for the product.

"...All I can speak on is my experience of the adhesive not lasting up to the tension and heat. Definitely not worth the purchase...." Read more

"...I did have, and why it is no longer useable, is that the adhesive on the velcro melted. For a while I could stick it back on but that didn't last...." Read more

"...The velcro tape this comes with is impressive and does not leave any residue (at least not within a day or two), as I have even successfully removed..." Read more

"...Lastly, it was kind of a bummer that there was absolutely no extra velcro for this product. This leaves ZERO room for errror...." Read more

I broke a sweat 😓
4 Stars
I broke a sweat 😓
First off the price is what lead me to make the purchase because compared to others it’s affordable. We needed something to keep the cold air in and not be wasting energy for nothing. Secondly, I had to install this in 90+ degree weather so I was drenched in sweat by the time I was done, but that was my fault for picking the hottest day of the week. Anyways, took me about an hour & 1/2 to final install the damn thing. The thing I struggled with was the outside part of the window because it is so narrow and I was trying to keep the Velcro from sticking to the sides where the paint would’ve came out once uninstalled. (I am a renter and didn’t want to mess up the walls.) however, once I figured out I had the straight part on the outside of the window instead of on the part that opens, all was good! Another thing that was frustrating was that I couldn’t get the window to open to put the hose through because the plastic part, that looks like an accordion, didn’t seem big enough for my window. This wasn’t the case because once I moved the Velcro down a bit I had excess on the top of part. All in all the installation was a bit difficult, but it’s working good so far!
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Top reviews from the United States

Reviewed in the United States on May 31, 2023
Size: Window 300CMVerified Purchase
2 people found this helpful
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Reviewed in the United States on June 25, 2020
Size: Window 500CMVerified Purchase
9 people found this helpful
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Reviewed in the United States on June 7, 2021
Size: Window 400CMVerified Purchase
One person found this helpful
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Reviewed in the United States on July 9, 2023
Size: Window 400CMVerified Purchase
Customer image
5.0 out of 5 stars Made a huge difference!
Reviewed in the United States on July 9, 2023
Our HVAC system went out in 90+ degree temps. The part is on back order indefinitely. We needed something quickly until we figure out next steps. So, we bought 2 portable AC units. Initially, we had cardboard around the hose. It left huge gaps and did not work well since we have crank windows. This product is awesome in how well it works! The Velcro really helps to seal everything to keep out bugs and the elements. The zipper for the hose fits nice and snug. The instructions were not that easy to follow, but when I laid everything out, it made sense.
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Customer imageCustomer image
2 people found this helpful
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Reviewed in the United States on July 8, 2023
Size: Window 500CMVerified Purchase
7 people found this helpful
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Top reviews from other countries

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AC
5.0 out of 5 stars Great for a portable AC hose
Reviewed in Canada on June 25, 2023
Size: Window 400CMVerified Purchase
Terryblanconegro
5.0 out of 5 stars Solucion perfecta
Reviewed in Spain on January 29, 2024
Size: Window 400CMVerified Purchase
Malkhor
4.0 out of 5 stars Bien
Reviewed in Belgium on November 25, 2023
Size: Window 400CMVerified Purchase
PJV666
5.0 out of 5 stars Simple et efficace.
Reviewed in France on September 24, 2023
Size: Window 400CMVerified Purchase
One person found this helpful
Report
Leonardo A imperato
5.0 out of 5 stars Eccellente prodotto.
Reviewed in Italy on August 13, 2023
Size: Door 36x83"Verified Purchase