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Window Insulation Kits

58 window insulation kits from Frost King, Fonuno, Aghitg and more.

Recommended Window Insulation Kits

Generic

Gray

+Three-layer construction for added insulation
+Oxford cloth cotton fabric with thermal filling
+Available in gray for a neutral look
−Fabric covers are less clear than shrink film kits
No price recorded yet.
Nkiy Quen

Red

+Three-layer construction for added insulation
+Oxford fabric thermal curtain for winter use
+Sized at 63 x 39 inches for standard windows
−Fabric curtain blocks the view while installed
No price recorded yet.
Chivertion
+Six pieces for multiple windows
+Cuttable film fits custom window sizes
+Includes double-sided tape for mounting
−Plastic film is not reusable after removal
No price recorded yet.
Apipi
+Clear plastic film lets light through
+Large 63 x 236 inch sheet covers wide openings
+Double-sided tape included for mounting
−Plastic film is not reusable after removal
No price recorded yet.
Augblinds

Clear

+Two-pack covers multiple windows
+Clear plastic film lets light through
+Double-sided tape included for mounting
−Plastic film is not reusable after removal
No price recorded yet.
Bigmeta
+Large 236 x 87 inch sheet covers sliding doors
+Clear shrink film lets light through
+Cuttable to fit custom openings
−Plastic film is not reusable after removal
No price recorded yet.
Flyzzz

White

+Covers a 62 by 126 inch window opening
+0.9 mil plastic film for winterizing windows
+White film for indoor window covering
−Thin 0.9 mil film tears more easily than thicker film
No price recorded yet.
Fowong

Silver

+Roll measures 23.6 inches by 10 feet
+Aluminum reflective surface for heat blocking
+Designed for winter window insulation use
−Silver finish only
No price recorded yet.
Frost King

Green

+Single 42 by 62 inch window kit
+Plastic film for draft prevention
+Thin 0.75 mil film for easy application
−Green color only
No price recorded yet.
Homealexa

Clear

+Reusable clear film for repeated winter use
+Plastic film is a lightweight covering option
+Sized 31 by 57 inches to fit 28 by 54 inch windows
−Plastic film offers less insulation than foam core products
No price recorded yet.
Dojobkinb

Silver

+Aluminum reflective surface reflects radiant heat
+Roll is 23.6 inches wide by 10 feet long
+Double bubble construction adds an insulating air layer
−Opaque foil blocks all light through the window
No price recorded yet.
Reflectix

Multicolor

+Double bubble foil layer reflects radiant heat
+Roll is 24 inches wide by 10 feet long
+Aluminum foil surface on both sides
−Opaque roll blocks all light through the window
No price recorded yet.
RGJ
+Sold as a 10-pack for covering several windows
+Thickened POF plastic sheeting for winterizing windows
+Thermal plastic film helps block cold air drafts
−Plastic film is single-use and must be replaced yearly
No price recorded yet.
Tlany

Black

+Heavy cotton thermal insulated window curtain
+Black curtain for blocking light and cold
+Sized 62 x 74 inches for mid-size windows
−Curtain needs a window to hang over, no adhesive mounting noted
No price recorded yet.
Phoncoo
+Window plastic for winterizing in an 87 x 394 inch sheet
+Large single sheet covers wide or multiple openings
+Suited for sealing windows against winter drafts
−Plastic film is single-use and must be replaced yearly
No price recorded yet.
DGSL

Silver

+Double reflective foil layer helps reflect summer heat
+Bubble foil foam design for window insulation
+Roll measures 47 inches by 10 feet
No price recorded yet.
Duck

Clear

+Crystal clear shrink film for patio doors
+Extra large kit covers a wide door opening
+Shrink film tightens across the frame when heated
No price recorded yet.
Duck

Clear

+Kit covers three windows in one pack
+Each sheet measures 62 by 126 inches
+Clear film lets light through
No price recorded yet.
Duck

Clear

+Covers up to 10 windows in one kit
+Long 420 inch length for multiple window coverage
+Crystal clear film keeps window view visible
No price recorded yet.
Duck

Clear

+Two-pack provides two kits in one order
+Large 84 by 120 inch sheets for patio doors and big windows
+Clear film keeps window view visible
No price recorded yet.
Fanfanwin

Gray

+Three layer construction for added thermal insulation
+63 by 63 inch size fits medium windows
+Roll-up design for storing the cover when not in use
No price recorded yet.
FonsBleaudy

Clear

+Kit covers three windows in one package
+Clear film keeps window view visible
+Large 62 by 126 inch sheet size
No price recorded yet.
Frost King

Clear

+Three-pack covers three windows
+Indoor kit sized 42 by 62 inches each
+Clear film lets natural light through
No price recorded yet.
Frost King

Clear

+Extra large 62 by 210 inch film sheet
+Indoor shrink kit for large window areas
+Clear film keeps light coming through
No price recorded yet.
Hador

Silver

+Roll measures 16 inches by 10 feet
+Double-sided reflective heat blocker
+Designed for winter window insulation use
No price recorded yet.
FonsBleaudy

Clear

+Kit covers three windows at 62 by 126 inches
+Indoor shrink film for winter insulation
+Clear film lets natural light through
No price recorded yet.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.