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

I had initially purchased the 300 cm but didnt work out due to how close my window was to the ceiling and I couldnt open window wide enough to push the AC hose through it. Customer service was helpful in me returning it. I then bought the 560 cm to put on my door and it worked out perfectly. I can now use my portable AC to cool my tiny apartment.

The Hoomee window kit is ingenious! During August I lived in a dorm at the University of Washington for a post-graduate program. The old dorms had no AC and terrible ventilation. Further, the air was filled with smoke from wildfires. Air conditioning and avoiding open windows was a must. Without the hoomee window kit I would have been out of luck and would have hauled a very heavy and expensive AC unit for nothing. The window attachments that came with my Black & Decker portable AC unit didn’t work at all. The hoomee directions were easy to follow and worked very well with the push-out windows. After 2 weeks, the adhesive-backed Velcro came off with minimal effort and showed no signs it had ever been stuck to the window frame. Living in an old yucky dorm in my late 30s was hard enough but I wouldn’t have survived without this handy product.

Allows me to use an air conditioner in an unusual window and still close the window when not in use.

Im happy with buying it. The window in one room of our house can not install window AC. We think to change the window. But this is too expensive.I came to my friends house, and I saw she bought a portable air conditioner. It looked very nice and I made up my mind to buy one too. It can good fit our window. Our new portable AC came quickly, but to my disappointment, the panel kits cannot work well for our window. Hot air would come back inside the room, making the bedroom uncomfortably hot and humid. Personally speaking, I dont feel too much the temperature dropped. I bought this window seal. It seems to be high quality but helped immensely, it keeps the windows completely closed throughout my bedroom. I can sleep so much better from then on. Its as our expectations in mind and we have been totally satisfied. By the way, if you are an extreme environmentalist like me, you would find it is a good choice to save the energy. Very creative product.

I used this to put an air conditioner unit in the windows of my kitchen that swing outward. It was not difficult to install, at least for me, because I put things together all the time. However, I will say that the instructions that came with it are pretty useless. It’s all just picture diagrams of what to do and not do with no wording. I couldn’t find anything else that would work for my kind of windows with a portable air conditioner so I would say it’s a good product and I would buy it again.

I rarely review products. However, I feel I owe it to the manufacturer of this product as it solved a problem no one could: installing a portable air conditioner with casement windows. I live in the Northeast in a home with no central air conditioning. That concept is foreign to me as I am originally a Floridian. However it seems people get by the summers here by leaning on a portable A/C here or there. So I thought Id give it a try rather than spend thousands on central A/C or a mini split ductless system. I was disappointed to learn portable A/C units are not designed to be used with casement windows, but rather only windows that slide up/down or left/right. After scouring the internet for a solution and not wanting to cut a hole in my wall for a vent, I found this simple and affordable solution. I was skeptical that this would create enough of a seal to truly keep warm air out and the cool air in. However, my concerns were unfounded. This thing just works. It isnt that complicated to set up (even though their instructions make it seem so). Once you place the velcro on both the perimeter of the window frame and the perimeter of the inside window of the window itself, it becomes obvious how the bag should be placed (zippers facing you). 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 the velcro tape from a downstairs window and re-applied it upstairs to a different room (again, after about 24-48 hours of use). Bottom line, for the price you pay this product is excellent. And no, I was not paid for this review. I paid full price for this and it was worth every penny.

I like that it was easy to put up, however, I would of prefer d a metal insert as I am 81 and it would have been easier for me, my grand son ordered this for me, it works is all I care.