Home > Window Insulation Kits > 3M Indoor Window Insulation, Insulator Kit for 2 Windows 3ft x 5ft, Keeps Cold Air Out and Warm Air In, Includes Heat Shrink Window Film and Scotch Window Film Mounting Tape (2120W-6) ; Visit the Filtrete Store

3M Indoor 2-Window Insulator Kit

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19,483 reviews covering 42 products for the category Window Insulation Kits

Experiential insights by users

About 3M Indoor 2-Window Insulator Kit
70% praised the adhesive strength
I have used the window insulation kit for about 6 hours and the adhesive strips appear to be good.
73% found it easy to install
I found the installation process of the window-insulation-kit to be very easy and worth the investment.
I found the product easy to install and it works well. However, it is advised to measure the window sizes before installation.
80% praised for its heat retention
The film helped reduce the temperature of our main room by 10 degrees.
After using it for four months, I have noticed a significant difference in the heat required to keep the room at the same temperature and have saved a lot on my heating bill.
I found that the product improved old windows and reduced heating bills.

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