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Indoor Window Insulation Kit (3 per Pack)

$492
  • Designed for interior use on windows
  • Accommodates up to 3 standard sized windows
  • Shrinks with hair dryer & applies w/incl. dble-faced tape
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Price:
$492

Product Overview

The Thermwell Products Co. Inc. Indoor Window Insulation Kit (3-Pack) provides shrink film to insulate 3 standard sized windows to help increase their R-Values up to 90% for energy-saving efficiency.
  • Designed for interior use on windows
  • Accommodates up to 3 standard sized windows
  • Each sheet measures 62 in. L x 42 in. W
  • Helps R-value increase up to 90%
  • Shrinks with hair dryer (not included) and applies with included double-faced tape
  • 3-pack allows you to insulate up to 3 windows
  • Click here to learn more about Eco Options and Energy Efficiency

Info & Guides

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Indoor Window Insulation Kit (3 per Pack)

Specifications

Dimensions

Product Depth (in.)
0.003
Product Height (in.)
62
Product Width (in.)
42
Unspooled Length (ft.)
5

Details

Builders Hardware Product Type
Weatherstrip
Color Family
Multi
Color/Finish
None
Density
0.00
Interior/Exterior
Interior
Material
Other
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
1 year

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 3.5
    out of 131 reviews
  • 58% recommend this product
Filter by:
Showing 1-10 of 131 reviews
This product was 1/2" too short to stretch from the top of the window to the window sill. Fortun...
This product was 1/2" too short to stretch from the top of the window to the window sill. Fortunately, this being my first time to use it, I started with a window that is shuttered at the bottom and has a valance at the top, so when I trimmed the excess from the sides, I used some of that to cover the little bit of exposed tape at the top, and then I used ordinary invisible tape to tape some of the excess from the sides to the bottom of the plastic so that it would reach to the tape on the bottom sill. Then I shut the shutter, so no one will see that I had to patch it at the bottom. Stretching from side to side, there were almost no wrinkles at all, so I barely had to use the hairdryer at all!
by corkpurchaser
    • Recommended Product
    1 person found this helpful
    Rating provided by a verified purchaser...
    Rating provided by a verified purchaser
    by HomeDepotCustomer
    • Verified Purchase
    Really does a great job with keeping the cold out...
    Really does a great job with keeping the cold out and the warmth in. Also magnifies the sun coming through the windows, so it is extra warm on a sunny day- great in the winter! Don't follow the instructions, though. Start from a corner and work horizontally and vertically at the same time, pulling the plastic really tight as you go.
    by SARAH
    • Verified Purchase
    Rating provided by a verified purchaser...
    Rating provided by a verified purchaser
    by HomeDepotCustomer
    • Verified Purchase
    One came half torn down the middle. Very low quality....
    One came half torn down the middle. Very low quality.
    by CHELSEA
    • Verified Purchase
    by CYNTHIA
    • Verified Purchase
    Does great job sealing windows...
    Does great job sealing windows
    by NANCY
    • Verified Purchase
    After 1 week of it being up on all of...
    After 1 week of it being up on all of our windows, every window except one started coming apart at the tape. The double sided tape they give you clearly lasts about 1 week. I would say do plastic on the outside of your windows instead, because this crap isn't worth it.
    by Jpz
    • Verified Purchase
    Works good! Wish I had thought to get it...
    Works good! Wish I had thought to get it sooner. Saved money this past month and that was during the coldest part of the winter. Would highly recommend it!
    by CHRISTINE
    • Verified Purchase
    Works well to maintain heat inside the apartment...
    Works well to maintain heat inside the apartment
    by KATHLEEN
    • Verified Purchase
    Showing 1-10 of 131 reviews