10 Best window insulation kits of 2025

Save up to 27% off

Best Choice

1

AceOrbit

AceOrbit Clear PVC Soft Glass Window Panel 36''x394'' Flexible Plastic Roll Film Cuttable Temporary Storm Window Replacement for Porch Car Sealing Drafts Moisture Blocking Cold Protection Winterizing
9.9

Exceptional

Our Rating
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Value for Money

2

Duck

Duck Brand Winter Window Insulation Kit – Window Seal Rolled Shrink Film Covers Up to 15 3’ x 5’ Windows – Window Tape Included – Easy Indoor Installation - Clear - 15-Pack (288069)
9.8

Exceptional

Our Rating
3

Duck Brand
Duck Brand Window Insulation Kit - Winter Seal Kit Fits up to 10 Windows - Rolled Shrink Film Cuts to Size for Easy Indoor Installation - Tape Included - 62 In. by 420 In.- Clear

16% Off
Main highlights

Energy Efficiency and Ease of Use
This window insulation kit creates an airtight seal, reducing drafts and energy costs.

Ideal for Cold Weather Homes
Perfect for homes with drafty windows during winter months.

Highly Rated Tape Adhesion
Customers praise the easy-to-use, reliable tape for secure installation.
9.6

Exceptional

Our Rating

8.7
Simple to use

8.4
Drying ability

8.4
Easy installation
4

Duck
Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 10 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 420 In., Clear

13% Off
Main highlights

Key Features and Benefits
Includes heavy-duty shrink film and tape for easy insulation.

Ideal Use Cases
Perfect for insulating drafty windows in older homes.

Praised Feature
Highly effective at sealing and retaining heat indoors.
Key specs
- size:10 Windows
- material:Plastic
- style:2022 10 pack version
- coverage:N/A
- color:Clear
9.5

Excellent

Our Rating

9.5
Simple to use

9.3
Heat transferring

8.4
Easy installation
5

Duck

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 5 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 210 In., Clear
9.3

Excellent

Our Rating

8.9
worth the money

8.7
lasts a long time

8.7
Easy installation
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6

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

24% Off
Main highlights

Key Features and Benefits
Durable and easy-to-use window insulation kit for winter.

Ideal Use Cases
Perfect for sealing windows during colder months to save energy.

Praised Feature
Highly effective in reducing heating bills, as noted by users.
9.1

Excellent

Our Rating

9.1
Simple to use

8.9
lasts a long time

8.7
Waterproof
7

Frost King
Frost King V76H Shrink Window Kit 84-Inch by 110-Inch, Clear
Main highlights

Durable and Easy to Use
The Frost King V76H Shrink Window Kit offers exceptional durability and user-friendly installation.

Ideal for Large Windows
Perfect for covering 84 x 110-inch windows or patio doors, providing excellent insulation.

Effective Draft Insulation
Customers praise its ability to keep rooms warm by blocking cold drafts.
8.9

Very Good

Our Rating

9.3
worth the money

8.7
lasts a long time

8.0
Simple to use
8

Frost King
Frost King V73/4T Shrink Film Window KIT, 4-Pack, Clear, Transparent
Main highlights

Key Features
Enhances window insulation, easy hair dryer shrinking, includes double-faced tape for application. Accommodates four standard windows, measuring 62x42 inches.

Ideal Use Cases
Perfect for interior window insulation in cold climates, enhancing R-value by up to 90, and reducing energy costs significantly.

Customer Reviews
Most praised for its effective insulation improvement, ease of installation, and noticeable reduction in draft and heating costs.
8.7

Very Good

Our Rating

8.7
Easy installation

8.2
Simple to use

8.0
Attachment
9

3M
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)

27% Off
Main highlights

Energy Efficiency
Saves energy and reduces heating costs by insulating windows.

Versatile Usage
Ideal for homes, boats, and large sliding doors.

Easy Application
Customers praise the easy-to-apply, reliable tape.
Key specs
- size:5-Windows
- material:Plastic
- style:Indoor
- coverage:Fits five 3x5 windows
- color:N/A
8.6

Very Good

Our Rating

9.3
Temperature control

8.7
lasts a long time

8.0
Simple to use
10

Duck
Duck MAX Strength Window Insulation Kit, Fits Patio Doors & Large Windows, Heavy Duty Indoor Shrink Film Insulator, Window Seal Tape Included, 84" x 120", Clear, 2 Pack

19% Off
Main highlights

Energy Efficient Insulation
Duck Max Strength shrink film is puncture-resistant and two times thicker, creating an airtight seal to block drafts and cold weather.

Ideal for Large Windows
Perfect for insulating up to 2 XL patio doors or 4 large 4x6 windows, making it versatile for various home settings.

Easy Installation Praised
Customers love the easy-to-install process with no measuring required, just scissors and a hair dryer.
Key specs
- coverage:2 XL or patio windows
- size:XL Window/Patio - 2 Pack
- color:Clear
- uv protection:No
- installation:Heat Shrink
8.3

Good

Our Rating

10 Best window insulation kits of 2025

1

AceOrbit Clear PVC Soft Glass Window Panel 36''x394'' Flexible Plastic Roll Film Cuttable Temporary Storm Window Replacement for Porch Car Sealing Drafts Moisture Blocking Cold Protection Winterizing

How do we rank?

How do we rank?

Analyzing top stores

2

Duck Brand Winter Window Insulation Kit – Window Seal Rolled Shrink Film Covers Up to 15 3’ x 5’ Windows – Window Tape Included – Easy Indoor Installation - Clear - 15-Pack (288069)

3

Duck Brand Window Insulation Kit - Winter Seal Kit Fits up to 10 Windows - Rolled Shrink Film Cuts to Size for Easy Indoor Installation - Tape Included - 62 In. by 420 In.- Clear

8.7

8.4

8.4

4

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 10 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 420 In., Clear

9.5

9.3

8.4

5

Duck MAX Strength Window Insulation Kit, Winter Window Seal Kit Fits up to 5 Windows, Heavy Duty Shrink Film Cuts to Size for Easy Indoor Installation, Window Tape Included,62 In. x 210 In., Clear

8.9

8.7

8.7

6

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

9.1

8.9

8.7

7

Frost King V76H Shrink Window Kit 84-Inch by 110-Inch, Clear

9.3

8.7

8.0

8

Frost King V73/4T Shrink Film Window KIT, 4-Pack, Clear, Transparent

8.7

8.2

8.0

9

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)

9.3

8.7

8.0

10

Duck MAX Strength Window Insulation Kit, Fits Patio Doors & Large Windows, Heavy Duty Indoor Shrink Film Insulator, Window Seal Tape Included, 84" x 120", Clear, 2 Pack

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