10 Best Window Insulation Kits 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Duck MAX Strength Heavy Duty Insulating Film Window Kit – ⭐ Best Overall Window Insulation Kit

284351 by Duck

  • Dimensions: 9.3 x 8.1 x 1.5 inches
Duck MAX Strength Heavy Duty Insulating Film Window Kit
  • Insulates up to three 3 feet by 5 feet windows to block drafts
  • Kit includes: heavy-duty film and window kit tape
  • Easy to install
  • Removes cleanly at the end of the season

Duck Brand Indoor 10-Window Shrink Film Insulator Kit

281506 by Duck

  • Color: Clear
  • Weight: 0.6 pounds
  • Dimensions: 9.5 x 6.5 x 2.1 inches
Duck Brand Indoor 10-Window Shrink Film Insulator Kit
  • Reduce your energy costs by insulating your windows
  • Crystal clear film heat shrinks to seal out drafts and cold
  • Contains 62 x 420" of crystal clear film and 1/2-inch by 168-feet (2016") roll of double-sided tape
  • Helps increase energy efficiency - Home Smart and Earth Friendly
  • Kit insulates ten 3' x 5' windows

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

V73/9H by Frost King

  • Weight: 1 pounds
  • Dimensions: 3 x 3 x 3.3 inches
  • Warranty: Limited Lifetime Warranty
Frost King V73/9H Indoor Shrink Window Kit 42 62-Inch
  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China

3M Indoor Window Insulator Kit

2141W-6 by 3M

  • Weight: 0.48 pounds
  • Dimensions: 1.4 x 9.8 x 8.7 inches
3M Indoor Window Insulator Kit
  • Saves energy and reduces heating costs
  • Reduces condensation and prevents frost buildup
  • Quick and easy installation
  • Fits five 3'x 5' indoor windows

Duck 281068 5 Window Insulation Kit

281068 by Duck

  • Dimensions: 2.2 x 9.4 x 8.1 inches
Duck 281068 5 Window Insulation Kit
  • Kit includes one roll of premium shrink film and window kit tape
  • Once applied, shrink film is trimmed to size - no measuring needed
  • For best results use on clean and dry surfaces, including painted or finished wood, aluminum or vinyl
  • Tools needed: scissors and hair dryer
  • Easy to install and remove

Frost King V76H Shrink Window Kit 84-Inch by 110-Inch – 💲 Best Budget Window Insulation Kit

V76H by Frost King

  • Color: Clear
  • Weight: 0 pounds
  • Dimensions: 9 x 9 x 2 inches
  • Warranty: Limited Lifetime Warranty
Frost King V76H Shrink Window Kit 84-Inch by 110-Inch
  • This product adds a great value
  • Product is highly durable and very easy to use
  • This product is manufactured in China

2 Rolls Foam Seal Tape for Door Window Seal Insulation

by YIJUHOU

2 Rolls Foam Seal Tape for Door Window Seal Insulation
  • HIGH DENSITY FOAM INSULATION】-Closed cell draft tape,moisture proof,weather proof,corrosion resistance,shock-absorbing,sound insulation,anti-skidding,Reduce the noise from outside and the sliding door slamming,give you a quiet and comfortable living environment.
  • SAFE MATERIAL WEATHER STRIPPING】- Environmentally friendly EVA window seal,high resilience,flexible enough,non-toxic.
  • STRONGER BACKING GLUE】-This self adhesive foam weather strip use strong single sided adhesive,but easy to remove and no residue,non-degumming,adhesive to various materials.
  • WIDELY USED】-The closed cell strip insulation is widely used in various door and window seal,furniture,electrical cabinets,cars,speakers,toy,handicraft,DIY,sports equipment,door frame seal, or use as hat size reducer foam tape.Making your life more convenient.
  • EASY TO INSTALL】-The window seal tape strip is easy to customize and cut to size with scissors or blade,and bend easily into any shape.(Single:19mm*3mm*5m)

3m Window Kit 84" X 237"Film

2149 by 3M

  • Dimensions: 4.8 x 9.8 x 8.8 inches
3m Window Kit 84" X 237"Film
  • 84" x 237" film
  • 1/2" x 1008" tape
  • Insulates a 6'10" x 19'7" door or window
  • Clear as glass
  • Shrinks wrinkle free

Magnetic Window Insulation Kit – 👑 Premium Pick

by NeatiEase

  • Color: White
  • Dimensions: 11.8 x 11.8 x 2 inches
Magnetic Window Insulation Kit
  • EFFECTIVE WINDOW INSULATION KIT - Winter window seal kit for winterizing, keep out the wind and cold, prevent heat loss. It can also keep cool air in summer when using air conditioner. Indoor window insulator kit suitable for most window types, such as aluminum window frame, wrought iron grills, sliding window, casement window, bathroom/toilet window.
  • ENVIRONMENTAL-FRIENDLY - Window insulation kit made of the high-quality EVA plastic material, high tenacity, non-defrmation, tear-resistant, waterproof, chemical corrosion resistance, safe and durable. (Film can be replaced with mesh screen and it will be window screens.)
  • EASY TO MAINTAIN - For day to day use, just wipe with wet cloth to remove any dust. For cleaning, just remove the window film from the window and give it a good rinsing before installing it back onto the window to air dry!
  • FITS WINDOW SIZES UP TO 72"x48" - If your window frame measures 72" x48"or less , then this adjustable window insulation kit will be the perfect fit! Measure your window before ordering to be sure our kit will fit.
  • INSTANT INSTALLATION- Install it in 15 minutes. Package includes: one roll of magnetic tape, one roll of grooved magnetic strip, one roll of plastic strip, one piece of EVA film, two bags of accessories and an instruction manual. No extra maintenance needed. This is a good one-time affordable investment.

LBG Products Window Air Conditioner Foam Insulation Panels

by LBG Products

  • Color: Black
LBG Products Window Air Conditioner Foam Insulation Panels
  • [✔Universal Design]:Air Conditioner Side Insulating Panels design to cover your broken original panel or work as replacement,these Panels fit most of window units, 5000 - 22000 btu
  • [✔Keep House Comfortable]:Work like a window seal,seal out dust, pollen ,insects,heat and drafts.Foam material help reduces noise and vibrations,Keep your house comfortable
  • [✔Energy Save]:Help Insulates gap between AC units and window frames,keep out cold air into your house during winter and hot air in the summer,so you will reduce heating and cooling costs
  • [✔Durable Material]:The foam,anti-vibration,noise absorbing;self-stick side channels,no residue,strong adhesive

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