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7 Best Window Draft Stoppers

With winter right around the corner, learn how window draft stoppers can help keep your home cozy and warm this season.

Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links.

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Man wearing a blanket by a windowCavan Images/Getty Images

Buying Window Draft Stoppers

Winter is coming, so now’s a great time to start preparing your home for the chilly weather ahead. One easily DIYable way to stop cold air from entering your home is with energy-efficient window draft stoppers.

Also called draft blockers, window draft stoppers come in various forms — fabric snakes, thermal drapes, weatherstripping and more. Different homes require different solutions. But no matter what kind of window draft stopper you choose, it will help you save money on your utility bills.

Here is our roundup of the best window draft stoppers for winterizing your home.

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Blackout curtainsvia amazon.com

Best Thermal Drapes

The H.VERSAILTEX Geo Printed Blackout Curtains give your home a custom look at a ready-made price. Their triple woven construction not only insulates your home from cold drafts that can come through your windows, but it also filters out 90 percent of the sun’s rays. So they’re perfect to hang in the bedroom of a late-morning sleeper or someone who works a night shift.

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Draft stoppervia signals.com

Best Repurposed/Combo

Versatile and cute as the dickens, the Decorative Sheep Door Draft Stopper Guard makes an effective windbreak on window sills, the bottom of doors and across fireplace hearths. It’s sturdy, weighted with quartz sand. No matter where in your home you find this flock of eight, they’re guaranteed to keep you comfortable and smiling all winter long.

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DAP caulkvia dap.com

Best Removable Caulk

Unless you live in Miami or Los Angeles, you most likely keep your windows closed during the winter months. Dap 18354 Seal ‘N Peel Removable Caulk is a smart and affordable way to form a draft-proof, watertight seal around windows, inside and out. When spring arrives, Dap’s clear caulk pulls off easily without damaging painted surfaces.

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Window insulatorvia amazon.com

Best Shrink Film

Did you know that cold air can flow through closed windows? The DIY-friendly Duck Brand Window Insulator Kit is an inexpensive solution that limits heat loss through the glass, increasing the R-value of a single-pane window by 90 percent. The film blocks cold air and not the view, as the clear film shrinks into a draft-defying seal when heat is applied with a hair dryer.

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Window shadesvia amazon.com

Best Cellular Shades

Combining modern style and performance, the CHICOLOGY Cordless Cellular Shades Blackout Window Blind provides an outstanding draft and heat barrier during the winter (and the summer). CHICOLOGY’s signature honeycomb cells contain multiple air layers that trap warm air in your home and keep cold air out. Child and pet safe, the cordless blinds open and close with a slight pull.

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Weatherstrippingvia amazon.com

Best Weatherstripping

Old and cracked weatherstripping around windows can be a major cause of drafts about windows, and it’s often overlooked. Replace it now with KELIIYO Door and Window Weatherstripping. This self-adhesive, foam product is highly rated for its gap-blocking and soundproofing capabilities. Besides stopping drafts and air leaks, it also holds back dust, water and insects.

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Insulationvia homedepot.com

Best Bay Window Insulation Hack

Too often, bay windows aren’t properly insulated or caulked, causing the indoor sill to feel like a block of ice. For an easy DIY fix, add R-3.3 Foam Insulation by Super TUFF-R to the underside of the outdoor portion of the sill. Cut the foam insulation to size, screw into the bottom of the exposed sill and caulk around the perimeter. The lightweight polyisocyanurate foam is Energy Star compliant, durable and moisture resistant.

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All links and prices were current as of publication.

Toni DeBella
Toni DeBella is a freelance travel, lifestyle and digital content writer based in a medieval hill town in central Italy. Her work has been featured in such publications as Fodor's, The Telegraph, Walks of Italy, Italy Magazine, Frommers.com, Touring Bird (via [email protected]) and more. Most recently she authored the 2020 edition of DK Eyewitness Sicily travel guide. When Toni is not roaming around Europe, you'll find her tending her alley-side container garden or honing her clay-court tennis game.