Frost King Indoor Shrink Window Kit 9-Pack

  • Warmth
  • Drafts out
4.4/5Overall Score

Block drafts and boost room comfort with Frost King's indoor shrink window kit. Designed for easy installation, this kit includes nine clear sheets to cover multiple windows and helps raise room temperatures. Be aware: while it offers clear insulation benefits, users often find the adhesive tape less reliable, requiring annual reinstallation for optimal performance.

Specs
  • Material: Plastic
  • Color: Clear
  • Size: 9-Pack
  • Dimensions: 7.5"L x 42"W
  • Installation: Peel and Stick
  • Item Weight: 1.01 lbs
Pros
  • Easy installation
  • Effective draft seal
  • Includes 9 sheets
Cons
  • Weak adhesive
  • Thin plastic
  • Variable tape quality

Reality Check

Frost King V73/9H Indoor Shrink Window Kit is a seasonal insulation solution designed to reduce drafts from older or leaky windows. This pack contains nine clear plastic sheets, each sized for a standard window, meant to be stretched across the inside of your window frame and sealed with included adhesive tape. The goal is to create an airtight barrier that helps keep warm air in during colder months, offering a simple way to make rooms more comfortable and reduce heating costs.

In practice, this kit is easy to use and many people notice improved warmth and less draftiness, reporting a 3 to 5-degree increase in room temperature. However, the tape’s weak adhesive is a repeated complaint. Many users say the tape either loses its stickiness over time or doesn’t adhere well in the first place, leading to peeling plastic or drafts sneaking back in. For renters or those seeking a budget-friendly fix, the value is appealing, but be prepared for some frustration and likely reapplication. If longevity and hassle-free maintenance are your top priorities, the tape strength is an important trade-off to consider.

– Best For: Homeowners or renters with drafty, older windows looking for an inexpensive, temporary insulation fix
– Not Recommended For: Anyone expecting long-lasting or heavy-duty results, or who is unwilling to regularly reapply the kit

What Customers Say

Customers find the window film works well on older windows and is easy to install, effectively keeping drafts out and raising room temperature by 3-5 degrees. The quality receives mixed feedback, with some praising the film while others report poor tape quality. The adhesive stickiness and rip resistance are significant concerns, with customers reporting that the tape doesn’t stick and the film rips along folds. Value for money opinions are divided, with some finding it worth the price while others consider it a waste of time and money.

Key Features

  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China
  • If you want to open your windows in the warmer months, you’ll need to take it off. Otherwise, sunlight and normal stress can also make the tape fail eventually. For a good seal, it’s probably best to re-apply them every year.

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