There are several advantages of having a window kit. We are here to help you pick the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Frost King Window Kit READ REVIEW

Best For Good Quality: Buy: Frost King Crystal Clear Plastic Sheet READ REVIEW

Best For Blow Dryer: Buy: 3M Window Kit READ REVIEW

Best For Simple Installation: Buy: 3M Clearest Film READ REVIEW

Best For Double Sided Tape: Buy: Thermwell Plastic Sheet READ REVIEW

Best For Window Frame: Buy: M-D Building Products Window Kit READ REVIEW

Best With Window Kit Tape: Buy: Duck Window Kit READ REVIEW

Best For Heavy Duty: Buy: Thermwell Products Co Inc Window Kit READ REVIEW

Best With Window Film: Buy: Thermwell Window Kit READ REVIEW

Best For All Window Types: Buy: Joofan Window Kit READ REVIEW

Best Overall: Frost King Window Kit

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The kit is a must have addition for your daily use. The Frost King Window Kit makes for a great buy, is white and it is highly recommend. Make sure this fits by entering your model number. Furthermore, it works very well and it is convenient.

The kit is very substantial and it allows for a good seal. Most importantly, the frost king window kit is made for worth the time, is made of sturdy plastic and it is built to be weather - proof.

Almost all customers quickly discovered that the kit reduces heating bills by 35. Also, they also found that the kit is easy to use, stays all winter, easy to remove for spring and summer. Also, they strongly agree that the designer of this kit deserves to be beaten like the redheaded stepchild of a rented mule. Therefore, customers were very happy to recommend it to friends and would-be buyers.

• This comes with 3 plastic sheets and double - sided tape.
• It is very good and it is well worth the price.
• It is easy to reinstall another piece.
• This is completely transparent and allows light through it.

Best For Good Quality: Frost King Crystal Clear Plastic Sheet

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The Frost king crystal clear plastic sheet's material feels more premium than its price would suggest. The Frost king crystal clear plastic sheet can ask for good quality plastic and it is designed for easy installation. Make sure this fits by entering your model number. In addition, it is highly durable and very easy to use.

Lastly, the Frost king crystal clear plastic sheet is white and it is almost invisible.

Most customers agree that the kit will fit it is 84" x 110. Also, they strongly agree that the kit makes an enormous difference in heat loss and cold-air gain. In addition, they strongly agree that the kit makes a big difference, plus it is perfectly see - through. To sum up, most customers call the kit suits best, and no one questions it.

• They have the same thickness and it makes a difference.
• This is very light and compact and much cheaper than buying other light - weight options.
• This is super easy and it is great for the perfect size.
• This is great for florida bugs too.

Best For Blow Dryer: 3M Window Kit

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If you often find yourself scrambling for convenient and suitable kit, 3M Window Kit should be your first option for buying. The 3m window kit is designed for easy installation, fits well for vapor barrier and it is practical. 3M window insulator kit saves energy. The film measures 4 square yards, or 5.16 feet by 7 feet by 0.75 thousandths of an inch ( h x w x d ), and weighs 0.13 pounds.

The kit is electrical and it stays in place. Most importantly, the 3m window kit fits well with strong tape and it is perfect for plenty of tape.

Almost all buyers found that the kit does a good job of keeping heat from escaping through windows. And, they strongly agree that the kit does work well for its intended purpose. And, they strongly agree that the kit is the best insulation for drafty windows. Overall, many have used the 3m window kit for more than a few months without any complaints, and it shows no sign of giving up.

• This is available in a variety of outdoor and indoor window sizes.
• Finally, you press the film firmly on the tape and trim any excess film.
• Specially developed 3m tape and film system for outdoor use.
• This does not affect the insulating properties.

Best For Simple Installation: 3M Clearest Film

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Not everyone likes to purchase kit for their regular usage, but the 3M Clearest Film would be an anomoly. The 3m clearest film is safe and it allows for relatively simple installation. To use, this double-sided tape seals off cracks and crevices, creates an airtight seal, and establishes a strong bond between the surface, the tape, and the insulation film, as recommended in energy star's "seal and insulate" guidelines. The film measures 10 square yards, or 5.16 feet by 17.5 feet by 0.75 thousandths of an inch ( h x w x d ), and weighs 0.33 pounds.

The kit is best for tight fit, makes a difference and it provides for great adhesion. In addition, this is practical and it is made for simple installation. Most importantly, the 3m clearest film has insulation material and it has excellent adhesion.

Most customers opine that the kit is a huge energy saver in winter and summer. Further, they also found that the kit is used for other applications after you take it down, even smaller windows, if you are willing to accept some loss in effectiveness. Further, a few say that the 3 m window film will trap air between its plastic sheet and the window glass. Obviously, this kit passed the test and had very satisfied buyers eager to share their experience.

• It saves energy and reduces heating costs.
• This is great for keeping single pane windows insulated.
• This is strong, clear material that stretches without breaking.
• This works well, is tacky enough to be peeled and re-peeled several times.

Best For Double Sided Tape: Thermwell Plastic Sheet

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The Thermwell Plastic Sheet is the most suitable kit on the market today. The thermwell plastic sheet includes 1 plastic sheet 84'' x 110'' and double faced tape 1/2'' x 42. Increases the value of single pane doors up to 90. Also, it is perfect for the bottom, is suitable for indoor use and it allows for plenty of tape.

Above all, the thermwell plastic sheet works very well and it is cost effective.

Most buyers quickly discover that the kit is as easy to install as the the other stuff. Moreover, a few also found that the sheet over the window itself used medium heat to smooth out some of the wrinkles to slightly tighten the sheet over the window. In conclusion, buyers found this to be one of the best kits for daily purposes.

• For patio doors or large windows.
• This goes up easily stops the drafts and it is highly recommended.
• Good brand reputation.

Best For Window Frame: M-D Building Products Window Kit

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The M-D Building Products Window Kit is specially designed for your regular usage and has all the useful features. Moreover, it freezes in winter and it is highly recommend. Make sure this fits by entering your model number. Finally, the m-d building products window kit is easy to install with a hair dryer that shrinks tight and wrinkle free.

Most buyers found that the kit is easy to maneuver and very clear to see through. Moreover, a few strongly agree that the kit is great for tomato protection. In addition, a few also found that note: if the insulating film ( plastic ) touches the glass, the film does not work.

• The package weight of the product is 1.66 pounds.
• This is easy to install and went up quickly.
• Go by the package weight of the product is 1.66 pounds.
• To shorten the package length of the product is 11.25 inches.

Best With Window Kit Tape: Duck Window Kit

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Best part: Duck Window Kit costs comparatively little and it is available to ship in 24 hours. The duck windowkit comes with tools needed measuring tape, allows for easy installation and it is for indoor use. Apply to the inside of your window to stop the cold from getting into your home. Moreover, the kit is made with clear shrink film for good visibility and it’s easy to install and remove once the warmer weather arrives.

Most importantly, the duck window kit comes with a hair dryer to remove wrinkles.

One customer says - "It went on with ease and after using the blow dryer it shrunk where you could even tell it's on the window. ". Almost all customers opine that the kit reduces cold air leaks and is also great for leaky windows.

• This includes crystal clear shrink film and windowkit tape.
• Delivers what they promise.

Best For Heavy Duty: Thermwell Products Co Inc Window Kit

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Thermwell Products Co Inc makes beautiful and great kits with classic and smartly chosen materials. Further, this includes extra wide tape for a more secure seal. Make sure this fits by entering your model number. Most importantly, the Thermwell Products Co Inc Window Kit is made for heavy duty and it is puncture resistant.

"You will have to re-tape the plastic on the outside edges. " - says, one customer. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

• Increases r-value up to 90 percent.
• Size - 42 x 62 in.
• Indoor heavy duty film window insulation kit.

Best With Window Film: Thermwell Window Kit

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If you often find yourself scrambling for appropriate and satisfactory kit, Thermwell Window Kit should be your first option for buying. Make sure this fits by entering your model number. . In conclusion, with a 4.0 rating and more than 288 buyers, the thermwell window kit stands as the best choice.

Most buyers found that the kit will also hold up better in the wind because it will flap around less. Also, they say that the kit includes tape for the job. Overall, most customers agree that the kit is functionally comfortable and no one questions it.

• The Kit includes 0.5 in. x 84 ft. tape.
• Size - 62 x 210 in.
• Dimension - 1.14 x 0.91 x 0.64 in.
• For 1 extra large window or 5 standard windows.

Best For All Window Types: Joofan Window Kit

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Joofan line of kit comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Joofan Window Kit is suitable for all window types, aluminum window frame, wrought iron grills, sliding window, casement window, louvre bathroom/toilet window and even grilled gates and balcony. If the magnetic strip does not fit perfectly, you need to change the direction of the outer magnetic strip. Moreover, the kit is easy to maintain and it is safe. Above all, the joofan window kit can be replaced with mesh screen and it will be window screens.

• Window sealer kit for winter, keeps out the wind and cold.
• Manufacturer says: measure your window before ordering to be sure your screen will fit.
• Good investment for the long term.