June 26, 2025

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10 Best window insulation kits of 2025

Save up to 69% off

Best Choice

1

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)

15% Off
9.9

Exceptional

Our Rating
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Value for Money

2

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
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.
9.7

Exceptional

Our Rating

8.7
Simple to use

8.4
Drying ability

8.4
Easy installation
3

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)

69% 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.
9.6

Exceptional

Our Rating

9.3
Temperature control

8.7
lasts a long time

8.0
Simple to use
4

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

36% Off
9.4

Excellent

Our Rating

8.9
worth the money

8.7
lasts a long time

8.7
Easy installation
5

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

56% Off
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.
9.2

Excellent

Our Rating

9.3
worth the money

8.7
lasts a long time

8.0
Simple to use
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6

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

15% 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.
9.0

Excellent

Our Rating

9.1
Simple to use

8.9
lasts a long time

8.7
Waterproof
7

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.
8.8

Very Good

Our Rating

8.7
Easy installation

8.2
Simple to use

8.0
Attachment
8

Duck Brand
Duck Brand Indoor 5-Window Shrink Film Insulator Kit, 62-Inch x 210-Inch, 286217
Main highlights

Energy Cost Reduction
Reduce your energy costs by insulating your windows. Crystal clear film heat shrinks to seal out drafts and cold, increasing energy efficiency.

Best Use in Drafty Homes
Ideal for homes with drafty windows and gaps. The kit insulates five 3 x 5 windows and helps block out cold air and bugs.

Easy Installation
Customers praise the ease of installation, noting that the film is crystal clear and effectively blocks drafts and cold air, improving home comfort.
8.7

Very Good

Our Rating

8.9
Heat tolerance

8.7
Drying ability

8.7
Efficient Energy Use
9

Duck Brand
Duck MAX Strength Heavy Duty Insulating Film Window Kit, 3-Window, 62-Inch x 126-Inch, Indoor, 284351

39% Off
Main highlights

Key Features
Blocks drafts with heavy-duty film for three 3x5 feet windows, easy installation, and clean removal after the season.

Ideal Use Cases
Perfect for insulating old, drafty windows in homes or apartments to maintain warmth and reduce heating costs during cold seasons.

Customer Reviews
Most praised for significantly improving room warmth and the easy application and removal process, leading to high customer satisfaction.
8.5

Good

Our Rating

9.7
Attachment

8.9
worth the money

8.9
Durability
10

Mellroom

Mellroom Adjustable Window Insulation Kit 47inX63in(120X160cm) for Winter Keep Cold Out,cuttable Transparent Film 180㎛ Thickness,Easy to Open for Ventilation,Reusable Plastic Window wrap
8.2

Good

Our Rating

8.9
Efficient Energy Use

8.0
lasts a long time

8.0
Easy installation

10 Best window insulation kits of 2025

1

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)

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

4

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

5

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

9.3

8.7

8.0

6

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

9.1

8.9

8.7

7

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

8.7

8.2

8.0

8

Duck Brand Indoor 5-Window Shrink Film Insulator Kit, 62-Inch x 210-Inch, 286217

8.9

8.7

8.7

9

Duck MAX Strength Heavy Duty Insulating Film Window Kit, 3-Window, 62-Inch x 126-Inch, Indoor, 284351

9.7

8.9

8.9

10

Mellroom Adjustable Window Insulation Kit 47inX63in(120X160cm) for Winter Keep Cold Out,cuttable Transparent Film 180㎛ Thickness,Easy to Open for Ventilation,Reusable Plastic Window wrap

8.9

8.0

8.0

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