I bought this kit 2 winters ago. We have a ranch house on the side of a mountain and it gets very cold. Combine that with really crummy old windows and our house was freezing. Not good when you pay for home heating oil!!! It was so bad at one point that when it was windy outside, I actually witnessed the drapes in my house billowing into the room. That is when I decided to purchase this kit. I actually got 2 kits to make sure I could finish all the windows in my house, and I ended up having plenty left over. I installed the double sided tape and stuck on the plastic, used the blowdryer to warm it up and shrink wrap the windows, and I was done. No more draft or chilly rooms! You are supposed to take it off after each winter but I have left it on for 2 years now. I find it also keeps my house cooler in the summer. Combined with thermal drapes, you have a combination for energy savings.
PROS:
- sticks great and lasts for a long time
-once you get the hang of it, its easy to install
-really has saved us money on home heating oil
CONS:
- if you don't totally shrink the plastic, you can see the ripples from the outside of the house and it looks a little messy, but if you do it right it is crystal clear
-it is awfully hard to get the double stick tape off if you leave the product up for a long time
We are now going into our third winter with the same kit on our windows and we are only now noticing some of the windows are losing their plastic in some places, peeling etc. But thats to be expected when its only supposed to be left on for a shorter period of time.
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This item: 3M Indoor Window Insulation, Insulator Kit for 5 Windows 3ft x 5ft, Keeps Cold Air Out and Warm Air In, Includes Heat Shrink Window Film and Scotch Window Film Mounting Tape (2141W-6)
$9.88
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$12.49
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$8.99 ($0.21/feet)
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Customers say
Customers find the window insulation easy to install and appreciate its temperature control benefits, noting it keeps houses warmer and makes a noticeable difference in temperature. However, the product receives mixed feedback about its effectiveness, with some saying it works well for old drafty wood windows while others report it doesn't work. Moreover, the quality and tape quality are mixed, with some finding it amazing while others describe it as horrible, and the tape being completely useless. Additionally, durability is a concern as the tape backing rips, and customers disagree on whether it's worth the price, with some saving $50 a month on heating bills while others consider it not worth the money.
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749 customers mention installation, 541 positive, 208 negative
Excellent product. Made a big difference in my drafty apartment! Easy to install as well - though I recommend tag-teaming the project with someone....Read more
Very easy to install! We wiped the surface clean where the tape would be put down (semi-gloss latex painted). Tape went on super easy and stayed put....Read more
...been buying this product for 30+ years, this latest product was difficult to install. It is thinner and tears easily....Read more
I use 3M window insulation every year. It is easy to apply, looks good, and works well. I tried a couple other brands, and this one is my favorite.Read more
425 customers mention temperature control, 366 positive, 59 negative
...My son put it on my windows for me and does a great job. It keeps the cold out and no more breezes. It helps with the electric bill too.Read more
...I keep my thermostat at 72 degrees and it’s very comfortable and toasty as a result. Highly recommended!Read more
...The amount of cold air it has stopped is simply amazing! It's warm and cozy....Read more
...and windows had to adjust it doing my own thing, as far as keeping the cold out it's ok not bad.Read more
861 customers mention effectiveness, 602 positive, 259 negative
I've used this window film for years. It works great if you take the time to properly clean the surface and apply the tape. Why buy another brand?...Read more
It works. The plastic is thin, but it works well. Make sure you press down the plastic firmly on the double-sided tape.Read more
Not a good product at all- waste of money. Tape doesn’t work.. i would give no stars but that’s not an optionRead more
Worked great! Kept the wind out of some really leaky new windows that were supposed to be "Quality." Relatively easy to install....Read more
853 customers mention quality, 510 positive, 343 negative
this is a great product. i have old windows and this is a cheap and simple solution to lowering heating costs. dont miss out on this great invention.Read more
The film was very clear and easy to work with. The tape, however, was useless and madding to work with: it would not stick to the window woodwork...Read more
A good product. When I first put it up it looked ugly till I used the hair dryer on it. You can't even tell its there if you follow the instructions....Read more
The tape was horrible could not peel the paper off....Read more
470 customers mention value for money, 244 positive, 226 negative
...In addition to being a great product, it is also a great value!Read more
...Tape sticks to plastic and pulls off of surface. It is now a waste of money. I am blind and used to put this up with ease all on my own. No longer....Read more
Good value, but Im not sure it works as well as I’d like to keep out the draft.Read more
...What a waste of time and money. I will say that it was easy to put up and has stayed up, it just hasn't had any effect.Read more
1430 customers mention removability, 269 positive, 1161 negative
...off the supplied double- sided adhesive tape was very hard or impossible to remove. Either this tape is past its useful life or is of poor quality....Read more
...Totally dissatisfied. The tape doesn't stick, the plastic is very thin and tears almost to the touch. I feel like I have been scammed.Read more
...I cleaned the area I wanted the tape to stuck on.. does not stick.. also taking the wax wrapper off blows, it doesn’t come off properly.. looking...Read more
...I cleaned the window and installed the tape and then the paper would not peel off, just shred and shred no matter what I tried. Terrible!!Read more
676 customers mention quality of tape, 86 positive, 590 negative
...more this year and after opening two packages both of them had defective tape. The paper will not remove smoothly from the tape....Read more
Usually love this product. But the tape is terrible. It will not peer from liner paper. Have to use a different brand of tape.Read more
...brand before with no issues, but this time it seems all of the tape is defective and has pulled off from the windows, making the entire product...Read more
The tape is horrible. The paper backing sticks. Took us 35 mins to do one window because you have to restart pulling the paper off the tape....Read more
650 customers mention durability, 97 positive, 553 negative
...my window and when I tried to remove the 2nd half of the tape, it kept ripping. After 30 minutes of the tape ripping, i gave up.Read more
...you think you got it, but then it just sticks to the tape too well and tears. You’d think 3M would have a better quality tape. Guess not.Read more
...peel away layer on the top of the tape is impossible to peel and keeps breaking. It would take me hours to do one window like this....Read more
...On top of that, even when you are able to take the paper off the paper rips and just ends up leaving crumbs on paper not allowing you to stick...Read more
Works as expected.
I got the 5 window kit. I did not have any of the problems with the tape I read about in other reviews. It was relatively easy to install and I had plenty of tape. The tape stuck well and even though it took a little bit of effort to peel off the backing it really wasn't a problem and plastic stuck well to it. One piece had a slight swirl imperfection in the plastic when I used the hair dryer on it but really wasn't a deal breaker. I did five windows. All came out pretty clear and it gave a good seal that stopped the cold drafts pouring in from them.
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Top reviews from other countries
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Cliente AmazonReviewed in Spain on June 22, 2021
Falta cinta y la caja en condiciones terribles :(
Size: 5-WindowsVerified Purchase
Lo compré porque decia que el paquete llevababa con dos rollos de cinta. Mi paquete solo tiene una. Era la razon que habia comprado el kit... No podia encontrar solo la cinta. Y ahora, no tengo suficiente para hacer la faena.Cliente AmazonFalta cinta y la caja en condiciones terribles :(
Reviewed in Spain on June 22, 2021
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- RooftilesReviewed in the United Kingdom on March 3, 2020
Seems to work. Put on at 1st year in property, can't do heat comparison.
Size: 5-WindowsVerified Purchase
I cannot compare to any other year, as only been in this property this winter. I'd heard previous people had had high heating bills, so used this to add to my being efficient. I plan to leave it on all year, for as long as possible. I can comment on application. Yes, a bit of a fiddle, but, do the cutting as best you can,. I laid mine out on clean table, measured, dabbed blacker pen dots to guide my cut. When applying to window, I also carefully cut sticky tape to shape to pass by the window handle section. It worked. The film still adhered tightly. The hairdryer works brilliantly, I scoped the hotair to and fro over the film and stopped when it was taut, not over-taut. After a few weeks, the film attracts a very fine deposit from the atmosphere. Wipe with dry cloth. You really only see this if sun shines directly on it. I watch birds thru this filmed-over window, and it is nearly 100%clarity to look through with binoculars. 1.5 year later update: took it all off, it started to attract tiny black harvest flies behind it. I am impressed it did the job for far longer than I thought it would. A side bit of fun was - when a fly tries to get to the window glass it poings off the plastic like it is bouncing off a trampoline. My old stone house has been insulated now so I may not use this again.RooftilesSeems to work. Put on at 1st year in property, can't do heat comparison.
Reviewed in the United Kingdom on March 3, 2020
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