Roll-up shutters help a Canadian home get through winter in three ways: they add an insulating layer outside the glass, they take the hit from wind, snow and ice, and they lock up a house or cottage you leave empty. Natural Resources Canada estimates that windows, doors and skylights can account for up to 35% of a home’s heat loss, so covering them is one of the most direct upgrades you can make.
Mid-fall is the right time to plan. Custom shutters take a few weeks to build, and installation is far easier before the snow flies.
This guide covers how roll-up shutters insulate, what the research says about energy savings, manual versus motorized operation in the cold, winter care, and which openings to shutter first.
How roll-up shutters insulate a window
A closed roll-up shutter works like a second, insulated wall in front of your glass. Four parts do the work:
- Foam-filled slats. Roll Pro slats are aluminum profiles injected with CFC-free foam, so each slat insulates rather than just passing the cold through. Heavy-duty slats use a stiffer hard foam for better dent resistance and wind loading.
- A trapped air layer. The still air between the closed curtain and the window slows heat transfer.
- Guide rails on both sides. The curtain runs in rails, so its edges are enclosed instead of open to the wind.
- A bottom bar and a box. The bottom bar closes the gap at the sill, and the curtain rolls into a compact box above the opening when it’s up.
Because the shutter sits outside, it stops wind and cold before they reach the window, and the glass itself stays warmer. Interior curtains and blinds work on the warm side and are not airtight; NRCan notes they can even contribute to window condensation in winter.
How much heat can roll-up shutters save?
Expect a real but variable saving. Roll Pro shutters have been shown to increase energy savings by up to 30% over the year, and independent research points the same way.
- Windows are a weak spot. NRCan says single-glazed windows lose about 10 to 20 times as much heat as the same area of a properly insulated wall.
- Coverings measurably cut heat loss. In 2023 tests at the University of Salford’s Energy House, in a climate chamber that goes down to -12°C, a standard roller blind cut heat loss through an energy-efficient double-glazed window by 13%. Fitted side channels lifted that to 22%, and the best zip-channel design reached 33%.
Those were interior products, not exterior shutters. The lesson still carries over: closing off the edges makes a big difference, and a roll-up shutter runs in enclosed guide rails by design.
Your own result depends on three things:
- The windows you have now. Single-glazed units, older double-glazed units and large patio sliders gain the most.
- How many openings you cover. One bedroom window won’t move your gas bill; a whole ground floor will.
- How consistently you close them. Shutters only insulate when they’re down.
A simple winter routine: open south-facing shutters on sunny days to let in free solar heat, then close every shutter at dusk.
Other winter benefits: wind, snow and empty homes
Fewer drafts
Wind drives cold air through every gap around an older window or sliding door. A closed shutter takes that wind first, so a leaky patio slider or porch enclosure feels far less drafty.
Protection from snow, ice and freezing rain
The curtain shields glass and frames from drifting snow, ice pellets and wind-blown debris. Heavy-duty slats are built for better dent resistance and wind loading, which suits exposed lakefront cottages and open rural lots.
Security for snowbirds, cottages and empty homes
A TD Insurance survey reported in October 2026 found that 48% of Canadians plan to leave their main home unattended for more than a day this fall or winter. Among cottage and cabin owners, the figure was 81%. And 62% of seasonal property owners who had left a property empty said they ran into a weather, electrical, plumbing or security problem while away.
Shutters that are down and locked make an empty building look closed and hard to get into. Roll Pro shutters offer an auto-lock mechanism, built-in security springs, sliding side bolts and master-key cylinder locks, plus an automatic bolt locking system exclusive to Roll Pro. For more, read our guide on how security shutters can help you get insured after a break-in (PDF).
One caution: shutters don’t replace your insurer’s rules. The Insurance Bureau of Canada warns that frozen-pipe damage may not be covered during the heating season unless the plumbing is drained or someone checks regularly that the heat is on. Confirm your policy’s check-in schedule before you leave.
Darker, quieter nights
Closed shutters block streetlights and headlights, and the extra layer cuts outside noise too. We cover that in How Rolling Shutters Can Help Reduce Noise Pollution.
Manual or motorized shutters in a Canadian winter?
Both work through a Canadian winter; the right choice depends on how often you’ll use them and how reliable you want the energy savings to be.
| Manual | Motorized | |
|---|---|---|
| Daily use | Crank, strap or spring push-up, one shutter at a time | Wall switch, remote or timer; close the whole house at dusk with one button |
| Energy savings | Only on the days you remember to close them | Easier to close every evening, so savings are more consistent |
| Power outage | Works without power | Needs power to run |
| Freezing rain | You feel the resistance and stop before forcing it | Turn off timers and automation when freezing rain is forecast, unless the system has ice detection |
| Best for | Cabanas, sheds, cottages, tighter budgets | Windows used every day, large or hard-to-reach openings, garages |
Roll Pro roll-up garage doors are motorized only and come with safety photo-eyes and an auto-reverse function. See our operators and motor controllers for the options.
Winter care tips for roll-up shutters
Cold rarely hurts a roll-up shutter; ice does. Most winter problems come from water freezing in the guide rails or under the bottom bar, and they’re easy to prevent:
- Clean before the first freeze. Clear leaves, grit and spider webs out of the guide rails and off the bottom bar so water can’t pool and freeze there.
- Lubricate the way the manual says. Use the lubricant recommended in your installation and service manual. Skip heavy grease, which traps dirt and stiffens in the cold.
- Never force a frozen shutter. If it won’t move, stop. Repeated pushing or pressing the button again and again can damage the curtain or the motor. Wait for it to thaw; for a window shutter, warmth from inside the room speeds that up.
- Pause automation before freezing rain. Manufacturers such as WAREMA advise switching off automatic timers when freezing is possible, unless the system has ice detection.
- Keep sills and thresholds clear. Shovel snow and chip ice away from garage, cabana and patio openings so the bottom bar doesn’t freeze to the ground.
- Keep garage photo-eyes clean. Snow or ice on the safety sensors will stop the door from closing.
- Call us if something’s off. If a shutter is still stuck after a thaw, or a motor hums but doesn’t turn, send a service request.
Which openings to shutter first
Start with the biggest, draftiest glass and anything you leave empty for weeks at a time.
| Opening | Why it matters in winter | Learn more |
|---|---|---|
| Patio doors, porches and Muskoka rooms | Large glass areas and sliding seals lose the most heat and let in the most drafts | Porch & patio roll-up doors |
| Ground-floor windows | First line of defence for a home left empty over the holidays or for the season | Window shutters |
| Cabanas, pool houses and service counters | Close the whole opening for the season and keep snow and intruders out | Cabana shutters |
| Garages and laneway houses | An insulated roll-up door seals the opening and takes no ceiling space | Roll-up garage doors |
| Sheds and cottages | Protect tools, boats and gear through months when no one is there | Shed shutters |
Weighing a garage door? Read Roll-Up Garage Door vs Sectional Garage Door.
When to order for this winter
Every Roll Pro shutter is made to measure in Canada, and production typically takes 3 to 4 weeks after payment. An order placed in mid-October is usually ready in early to mid-November, ahead of the coldest weeks.
- Greater Toronto Area: our own crews handle installation in and around Toronto.
- Anywhere in Canada: order made-to-measure DIY shutters online and have them shipped. Measure first with our step-by-step measuring guide; the box and guide rails need a little wall space around the opening.
- Pickup: collect your order free from our facility at 2160 Hwy 7, Unit #28, Concord.
Quotes are valid for 30 days, so you can lock in a price now and plan the install around your schedule.
Frequently asked questions
Do roll-up shutters keep heat in during winter?
Yes. A closed shutter adds foam-filled slats and a layer of still air outside the glass, which slows heat loss and blocks wind. Roll Pro shutters have been shown to increase energy savings by up to 30% over the year; your result depends on your windows and how often you close the shutters.
Can roll-up shutters freeze shut?
They can, usually after rain or wet snow followed by a hard frost, when ice forms in the guide rails or under the bottom bar. Don’t force them. Let the ice melt, keep the rails clean, and pause automatic timers when freezing rain is forecast.
Do motorized shutters work in a Canadian winter?
Yes. Cold on its own isn’t the issue; ice is. Keep sills clear, switch off automation before freezing rain if your system has no ice detection, and remember that motorized shutters need power to run.
If my shutters are closed, does someone still need to check my house while I’m away?
Usually, yes. Many home insurance policies require regular checks during the heating season to keep frozen-pipe coverage. Shutters protect your windows and doors, but they don’t meet your policy’s check-in rules, so ask your insurer what applies.
Can I install roll-up shutters myself?
Yes. Roll Pro ships made-to-measure DIY shutters anywhere in Canada. Measure with our guide, configure your shutter online, and follow our installation manuals.
How long does it take to get custom shutters?
Production typically takes 3 to 4 weeks after payment, plus time for shipping or installation.
Get your home ready before the deep freeze
Roll-up shutters keep more heat in, keep wind and snow off your glass, and keep an empty home or cottage locked down until spring. Roll Pro brings over 30 years of experience, makes its shutters in Canada, and backs them with up to a 7-year warranty.
- Want it installed in the GTA? Request a free quote.
- Installing it yourself? Configure your DIY shutter online.
- Prefer to talk it through? Call (905) 532-0017, toll free 1 (855) 474-7657, or email sales@rollpro.ca.
Sources
- Natural Resources Canada, Keeping The Heat In – Section 8: Upgrading windows and exterior doors
- Specification Online, Blinds proven to reduce heat loss by a third (University of Salford Energy House tests for the BBSA, 2023)
- Insurance Business Canada, Few Canadians check home insurance before leaving properties empty, survey finds (TD Insurance / Leger survey, October 2026)
- WAREMA, Roller Shutter Guide
- Roll Pro, Roll Up Shutters Materials and Roll Pro Shutters Benefits