Frost King V73/9H Indoor Shrink Window Kit 42 62-Inch, Clear, 9-Pack

I was skeptical at first, but this worked far better than I expected. I installed the first one on the window above my garage, and once the plastic was fully sealed, I could actually see it bulging slightly from blocking the cold air. A few hours later, the room felt about 10° warmer than it normally does. The plastic is clear and still allows plenty of light to come through, which is great. The only downside for my setup is that my blinds are mounted inside the window frame, so I can’t open them without removing the plastic. That’s not a fault of the product, just something to be aware of depending on your window setup. Overall, this was an easy install and made a noticeable difference in warmth. I’d definitely recommend it.

Easy to install, and they really do seal off drafty windows. Even though they cover the window, it still allows the light through and you can see through them, even if it is blurry. Definitely a huge help to those with old drafty windows. Don't leave them on past the season -we noticed that some of the paint peeled off on the wooden moulding, but given how they helped seal the windows from the cold, we didn't mind.

Say what you will but know there’s a chance we’ll disagree. If, that is, you for some reason don’t like this product. I do like it so if you don’t we’ll be in disagreement. But what can I do? I stick to my principles and this window seal is a good way to sort out drafty windows and keep winter out. It’s simple remarkable how effective a vey thin, super thin like a standard ruler is of no use. We’re talking thinner than paper. And dispute the tremendous lack of energy the slights thickness it still works wonderfully. The only downside is that the double sided sticky tape h as adhesive aka”sticky”) on both its sides hence the double sided sticky tape moniker. In this situation the supplies tape is difficult to size and cut. And sometimes it doesn’t stittach to the wall. You see how the plastic is put over the crack and then secured with double sided sticky tape (which see heretofore) on each side thereby covering it and thereby thwarting the cold wind’s effort to gain entry into your house! And sometimes the time is hard to measure cut and apply under suck windy conditions. I’ve made it work by leaning into the wind and kid of jamming my foot up against a brick fall so I don’t blown over. But it’s not too bad and more times than not The wind dies down long enough for the work to be done. And then? The plastic stands in the winds way, keeping your home warm. I’ve seen both sides of this and those who installed are always happier and warmer than Those who didn’t. I hope this review was helpful as you consider your options. Thank you and wellness.

Great product, i will purchase again

These are a must have for me in the winter. Until I can replace my old single pane windows these help keep the cold and draft out

Plastic is flimsy, tears easily. Tape isn’t the greatest - not very secure on wood window sills (in an older home). However, the precut sheets are so easy to work with, to stretch across the windows. Not so great keeping out the cold - I wish the plastic was thicker. First time user, not sure we’d purchase again for next winter.

Buy this every year to insulate my cold windows and it helps so much with heating bills.

Works great.

Good, strong film that makes quite a bit of difference and is (relatively) easy to apply. The only drawback is that the way the sheets are cut can result in a lot of waste, depending on the size of your windows. I probably wasted a third to a half of each sheet. Also, the creases in the folds remained, which means that the film is visible. That doesn't bother me, but it may be an issue for more aesthetically-minded people.

ok

TLDR: After using this product to secure my home, my energy bill dropped significantly I moved into a small 20 yr old townhome in Nov 2019, around 1500 sq ft. I was surprised to get my first heating bill (I live in Richmond BC, by gas via Fortis BC). It was way beyond any utility bill I have paid. A year later I decided to install this window insulation kit and you will see in my attachment that my energy used dropped signifcantly. To put things in perspective, remember that in 2019/2020 Jan and Feb it was still ok to go to work and travel so we were barely home and I had the heat down during the day; whereas 2020 we are home all day and needing heat as well. The average temp for both years were 5 celcius in January 2019 and 2020 with 4 celcius in Feb 2019 and 5 celcius in Feb 2020. Overall, I highly recommend this product to those who want to insulate their home better. Especially those that are older with single pane windows.

This did well in keeping a lot of the frost out last Winter. However, they looked horrible on our windows. The crease lines from being folded up in the box did not go away and they did not sit nice on the window

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