Best Window Coverings to Keep Cold Out: What Works Best?

If you are looking for the Best Window Coverings to Keep Cold Out, start with cellular shades. They insulate better than the other common options because their honeycomb pockets trap air and slow heat transfer. Thermal curtains are the best add-on layer, shutters can work well when they fit tightly, and Roman shades can help if you want a softer look with decent warmth. Roller shades and faux wood blinds sit lower for winter insulation, even though they still have value for privacy, glare control, moisture resistance, and daily use.

The U.S. Department of Energy says windows account for about 30% of a home’s heating energy loss, so the right treatment can make a cold room feel much more comfortable in winter.

What Are the Best Window Coverings to Keep Cold Out?

The best window coverings to keep cold out are cellular shades first, thermal curtains second, then shutters, Roman shades, roller shades, and faux wood blinds in that order for winter insulation. DOE treats insulated cellular shades as the top insulating window covering type, while roller shades and Roman shades offer only a small amount of insulation and blinds lose ground because of openings between slats.

This ranking lines up with the source material well. DOE gives cellular shades the strongest insulation position, says conventional draperies can reduce heat loss by up to 10% in cold weather, and places roller shades, Roman shades, and blinds lower for winter heat retention. JC Licht also supports shutters, Roman shades, insulated curtains, and roller shades as useful options, but not equal to cellular shades for pure insulation.

If you want the cleanest mix of winter comfort and everyday convenience, custom-fit cellular shades deserve the most attention. Bringnox positions its cellular line around honeycomb insulation, custom sizing, blackout or light-filtering choices, and motorized operation, which fits well with DOE’s point that automated coverings can be easier to use and can improve energy performance when used consistently.

Why Do Some Window Coverings Keep Cold Out Better Than Others?

Some window coverings keep cold out better than others because they trap still air, reduce side gaps, and create a tighter barrier near the glass. DOE’s guidance on cellular shades, draperies, and blinds keeps coming back to the same three factors: air space, fit, and coverage.

Trapped Air

Trapped air helps window coverings keep cold out because still air slows heat transfer. That is why honeycomb pockets in cellular shades work so well, and it is also why thicker fabrics, quilted layers, and paired drapery panels can improve comfort near cold glass. DOE says cellular shades contain one or more air layers in a honeycomb cross-section, and those air pockets act as insulators by reducing heat conduction through the window.

Tight Fit

A tight fit improves winter performance because edge gaps let cold air move around the treatment. DOE says tightly installed cellular shades perform best, and JC Licht points out that precise measurements and light-gap control matter, especially with inside mounts. A treatment can have good material, but if the sides leak air, the room will still feel colder near the window.

Layering

Layering improves insulation because one treatment rarely seals every weak point by itself. DOE says draperies hung close to the window, sealed at the sides, and overlapped in the center reduce heat loss better, and two draperies together create a tighter air space than one drapery alone. That same idea applies to pairing a shade with curtains. You add another barrier and another pocket of still air.

Window Condition

Window condition still sets the ceiling for performance. In practice, even the best shade or curtain will not fully solve cracked seals, damaged frames, or poor glazing, because window coverings are attachments, not repairs. DOE says the exact savings depend on the type of attachment, the season, the climate, and how the treatment is used, and it also points readers toward storm windows and better glazing for added thermal improvement.

Are Cellular Shades the Best Choice for Keeping Cold Out?

Yes, cellular shades are the best choice for keeping cold out in most homes. DOE says insulated cellular shades are typically considered to have the highest R-values of all window coverings, and tightly installed cellular shades can reduce winter heat loss through windows by 40% or more. That is why they sit at the top of almost every winter-insulation ranking.

Honeycomb Design

The honeycomb design works because each cell traps a pocket of air between your room and the glass. DOE says those pockets increase the R-value and reduce heat conduction, while Bringnox describes its cellular shades as an energy-efficient design that traps air for insulation. When you close them at night, you create a stronger thermal barrier than flat fabric alone can usually provide.

Single Cell vs Double Cell

Single-cell cellular shades are usually enough for mild winters, while double-cell shades make more sense when your room runs colder or your windows are draftier. DOE says insulated shades can include one or more air layers, and JC Licht notes that multiple cells increase insulation compared with single-cell versions. So the choice is not complicated: use single-cell for lighter needs and double-cell when warmth is a higher priority.

Inside Mount vs Outside Mount

Inside mount looks cleaner, while outside mount usually gives better edge coverage. JC Licht says inside mounts fit within the frame and outside mounts cover the window and frame, which helps with light gaps. That means outside mount often wins on winter performance, even though many homeowners still prefer the neater appearance of an inside mount. Use inside mount when the fit is already tight. Use outside mount when the window feels drafty around the edges.

Best Rooms for Cellular Shades

Cellular shades work especially well in the following rooms because warmth, comfort, and nighttime use matter more there:

• Bedrooms: Cellular shades help hold warmth at night, and blackout versions add better darkness for sleep. DOE and Bringnox both support blackout and top-down/bottom-up options for comfort and control.

• Living Rooms: Cellular shades suit living areas when you want better insulation without heavy fabric across the whole wall. Blind Guys specifically points to these rooms as a strong match.

• Home Offices: Cellular shades help steady room temperature and reduce cold spots near desks placed by windows. DOE also notes that attachments improve comfort and temperature control.

• Drafty North-Facing Rooms: These rooms often get less passive solar warmth in winter, so a high-insulation treatment helps more. Tightly fit cellular shades are one of the best ways to improve comfort without changing the whole window.

Are Roman Shades, Roller Shades, and Blinds Good for Cold Windows?

Yes, Roman shades, roller shades, and blinds can help with cold windows, but they are not as strong as cellular shades for winter insulation. DOE says Roman and roller shades provide only a small amount of insulation, and blinds struggle with winter heat loss because of openings between slats. That means these options work best when you choose them for style, privacy, moisture resistance, or ease of use first, then treat any insulation gain as a bonus.

Roman Shades with Thermal Lining

Roman shades with thermal lining are a decent option for warmth if you care as much about style as insulation. JC Licht says thermal linings add insulation and help keep warm air in, while Blind Guys notes that thicker Roman-style fabric can reduce drafts. They look softer and more decorative than many insulating shades, which makes them a good middle ground for living rooms, dining rooms, and style-led bedrooms. Still, they are more style-first than performance-first.

Roller Shades

Roller shades are clean, simple, and better known for privacy and light control than for strong winter insulation. DOE says roller shades offer only a small amount of insulation and are most effective for privacy, room darkening, and blocking sunlight. That lines up with Bringnox’s roller collection, which focuses on blackout fabrics, privacy, custom sizing, and motorized operation. So roller shades can absolutely help a room feel better, but they usually need curtains or drapery panels beside them if cold control is your main goal.

If you prefer a slimmer profile and a modern look, roller shades still make sense in rooms where glare, privacy, and easy daily use rank high.

Faux Wood and Vertical Blinds

Faux wood and vertical blinds are useful for moisture-prone rooms and large openings, but they are less effective for blocking cold because of gaps and slat design. DOE says it is difficult to control heat loss through blinds because of the openings between slats, while JC Licht notes faux wood blinds are durable and moisture-resistant in kitchens and bathrooms. That makes them practical in humid spaces and on some patio doors, but not the first pick for a cold bedroom or drafty office.

Should You Layer Window Coverings for Better Insulation?

Yes, layering usually improves insulation because it adds another barrier and creates more still air between the room and the glass. DOE says better drapery sealing, overlap, and doubled fabric improve heat retention, and JC Licht also recommends layering hard treatments with soft textiles for better insulation.

Best Layering Combinations

The best layering combinations for winter warmth include the following setups because each one adds air space and better edge coverage:

• Cellular Shades + Curtains: This is the strongest all-around pairing for most homes because the shade insulates close to the glass and the curtain adds one more barrier.

• Roman Shades + Drapes: This works well when you want a softer, more decorative room but still need better nighttime warmth.

• Roller Shades + Thermal Panels: This is a practical upgrade for modern spaces where a flat shade looks best during the day and heavier panels help at night.

When Layering Makes the Biggest Difference

Layering makes the biggest difference in the following situations because one treatment alone often leaves too much heat loss behind:

• Old Windows: Older units often lose more heat, so extra fabric and air space help more.

• Very Cold Climates: The colder the winter, the more noticeable the gain from a second layer.

• Large Windows: Bigger glass areas lose more heat, so wider coverage matters.

• Bedrooms at Night: Closing two layers after sunset improves warmth and sleep comfort.

When One Layer Is Enough

One layer is often enough on smaller windows, in milder winters, or in newer homes with better-sealed windows. DOE says savings vary by climate, season, and how the treatment is used, so you do not always need a heavy layered setup. A well-fitted cellular shade on a newer double-pane window can already do a lot of the work.

Which Window Covering Is Best for Each Room?

The best window covering for each room depends on how much warmth, moisture resistance, darkness, and everyday access you need. The room-by-room choice gets easier once you stop looking for one treatment to do everything.

Bedroom

Cellular shades are the best bedroom choice if warmth and darkness matter most. DOE says cellular shades reduce winter heat loss strongly, and Bringnox’s blackout cellular options add better light blocking for sleep. If you want a softer look, layered curtains can also work well, especially with a shade underneath for better insulation.

Living Room

Cellular shades are the better living room choice when warmth matters most, while Roman shades plus drapes make more sense when style matters more. Blind Guys names living rooms as a strong fit for cellular blinds, and JC Licht supports Roman shades for homeowners who want a more elegant look without giving up all insulation value.

Kitchen and Bathroom

Faux wood blinds or moisture-resistant shades are the better fit in kitchens and bathrooms if humidity is part of the problem. JC Licht points to faux wood blinds as suitable for high-humidity rooms, and Bringnox highlights light-filtering roller shades for living areas and kitchens. In these rooms, warmth is often secondary to cleanability, moisture resistance, and simple operation.

Patio Doors and Large Windows

Vertical cellular options and thermal drapery are the best starting points for patio doors and large windows. Wider openings need broader coverage, and daily traffic means the treatment has to move easily. JC Licht recommends vertical blinds for larger windows and patio doors, while DOE supports draperies for added heat retention when installed close and sealed well. The tradeoff is daily use: heavier layers usually insulate better, but they can feel less convenient on doors you open often.

What Makes Window Coverings Less Effective in Winter?

Window coverings become less effective in winter when the fit is loose, the material is too thin, the side gaps stay open, or the window itself has bigger problems than a treatment can solve. DOE’s guidance on tight installation, overlap, side sealing, and slat openings points to the same weak spots again and again.

Choosing Style Over Fit

Choosing style over fit hurts winter performance because gaps beat material. A beautiful shade that sits too far from the frame will often lose to a simpler product that covers the edges better. JC Licht’s notes on mount choice and precise measurement make that very clear.

Buying Thin Curtains Only

Buying thin curtains only limits warmth because fabric weight and sealing affect performance. DOE says most conventional draperies reduce heat loss by up to 10% in cold weather, but they need to hang close to the window and overlap properly to work better. Thin decorative panels without coverage or side sealing do much less.

Ignoring Side Gaps

Ignoring side gaps reduces the value of almost any treatment. DOE says tightly installed cellular shades perform best, and it recommends sealing draperies at the sides and bottom for maximum effectiveness. Cold air does not need a big opening to make a room feel uncomfortable.

Expecting Window Coverings to Fix Bad Windows

Expecting window coverings to fix bad windows leads to disappointment. Treatments improve comfort and reduce heat loss, but they are not a full substitute for repairs when trim leaks, seals fail, or glazing is too weak for your climate. DOE also points readers toward storm windows and better glazing for stronger thermal improvement when the window itself is part of the problem.

Are Window Coverings Enough to Stop Cold Drafts?

Window coverings are enough to help with many cold drafts, but they are not always enough to stop every draft completely. They work best as comfort upgrades and heat-loss reducers, not as a cure for damaged windows.

When Coverings Help a Lot

Coverings help a lot with mild to moderate drafts, older but still intact windows, and rooms with a large glass area. DOE says window attachments improve comfort, reduce cold drafts near windows, and lower heat loss, which is why the improvement feels most noticeable where glass area is large or winter cold is most obvious.

When You Need Window Repairs

You need window repairs when air leaks are coming around the trim, the seals have failed, the frames are damaged, or the home still has single-pane windows in a very cold area. In those cases, a better shade can still help, but the long-term fix usually means addressing the window assembly itself. DOE’s guidance on the limits of attachments and the added value of storm windows and better glazing supports that approach.

Conclusion

The best winter answer is simple: choose cellular shades first if your main goal is to keep cold out. Add thermal curtains when your windows still feel chilly, look at shutters if you want a solid custom-fitted barrier, and treat Roman shades, roller shades, and faux wood blinds as lower-insulation choices with other strengths. Fit matters just as much as material, and layering helps more than many homeowners expect. If you want a cleaner, easier-to-use setup, custom motorized shades also make it easier to keep your treatments in the right position every day instead of leaving them half open all winter. DOE and Bringnox both point in that direction.

If your room still feels cold after upgrading the treatment, check the window itself next. And if you are ready to improve comfort now, start with a well-fitted insulating shade and build from there.

FAQs

Do thermal curtains work as well as cellular shades?

No, thermal curtains usually do not work as well as cellular shades for insulation by themselves.

Are roller shades good for winter?

Roller shades can help in winter, but they are not the best performer for keeping cold out. 

Is inside mount or outside mount better for insulation?

Outside mount is usually better for insulation because it covers more of the window edges and helps reduce gaps.

Are faux wood blinds good for cold weather?

Faux wood blinds are only fair for cold weather. They are durable, moisture-resistant, and useful for light control.

Can motorized shades help with winter comfort?

Yes, motorized shades can help with winter comfort because they are easier to use consistently.