Cold Drafts? Worn-Out Entry? Let’s Fix That.
Upgrade your old door to an insulated, weather-sealed model designed for Canada’s climate.
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Canadian winters can be unforgiving. From -30°C temperatures and blowing snow in the prairies to constant rain on the West Coast, exterior doors in Canada must do more than look good—they must perform. This guide walks you through what to look for in an “outside door” that truly stands up to Canadian weather, whether you’re in Ottawa, Edmonton, Halifax, or anywhere in between
1. R-Value and U-Factor
* A well-insulated door is essential. Look for models with high R-values (R4–R6 for fiberglass or insulated steel) and low U-factors. Solid wood may only offer R2–R3. If you live in a region like Ottawa, prioritize Energy Star-rated doors for Zone 3 (the coldest Canadian zone).
2. Weatherstripping and Door Sweeps
* High-quality weatherstripping seals the perimeter of your door, preventing drafts. A good adjustable threshold and sweep are critical to block that -20°C air.
3. Glazed Inserts
* If your door has windows, opt for double or triple glazing with Low-E coatings. Decorative glass should also be insulated to prevent heat loss.
4. Labels to Look For
Check for:
* Energy Star (Canada): As of 2020, it's a single standard. Make sure the door qualifies.
5. NFRC Ratings: Look for low U-factors and good Energy Ratings (ER) to gauge performance.

Fiberglass
✔ Doesn’t warp or rot
✔ Paintable and low maintenance
✔ Excellent insulator
Best for most Canadian climates—wet, cold, or windy.
Steel
✔ Affordable and secure
✔ Good insulation with foam core
✖ Can dent or rust if not maintained
Ideal for budget-conscious homeowners seeking durability.
Wood
✔ Natural beauty
✖ High maintenance
✖ Lower insulation unless specially designed
If you love wood, go for engineered or laminated models with insulated cores.
Aluminum & Glass
✔ Sleek, modern look
✖ Needs thermal breaks to reduce heat transfer
Mostly used for patio or scenic doors. Ensure it's rated for cold climates.
* Thermal Breaks: Look for thresholds and frames with internal barriers to reduce cold transfer.
* Multi-Point Locks: Improve sealing and reduce drafts, especially on tall doors.
* Storm Doors: Add insulation and protection, though not always needed with modern insulated doors.
* Swing Direction: Inward swing is standard for snow-prone regions to avoid door blockage.
* Ottawa/Montreal: Focus on energy efficiency and high-quality locks to prevent freeze-ups.
* Prairies: Go for the highest R-value and UV-protected finishes.
* West Coast: Moisture resistance is key. Fiberglass and vinyl cladding work best.
* Atlantic: Seek corrosion-resistant materials like fiberglass or PVC in salty, windy air.

Even the best door can underperform with poor installation. Make sure:
* Spray foam is used to insulate the frame.
* Flashing and caulking are properly applied.
* Older homes get careful retrofitting for square alignment and tight seals.
* Check weatherstripping annually.
* Lubricate locks and hinges with cold-weather-friendly lubricant.
Repaint wood or steel doors as needed to prevent rot or rust.
From Ottawa’s icy mornings to the wet West Coast, the right outside door balances insulation, durability, and weatherproofing. Advanced View Windows & Doors offers a range of Energy Star-rated, Canadian-ready exterior doors that are professionally installed for maximum performance. Whether you’re replacing your front, side, or patio door—make sure it’s ready for everything a Canadian winter throws at it.
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Advanced View Windows and Doors Inc. has been providing customers in and around the Ottawa, ON area with top-quality window and door products and installations since 1981. We take a unique approach to each and every job, offering a wealth of combined experience to help lead you in the right direction no matter how large or small your project happens to be.
"Your trusted Ottawa windows and doors provider — 40+ years of excellence.”
Great for reinforcing location and expertise throughout.
Phone: (613) 727-8174
Monday - Friday: 7:00am - 6:00pm
Saturday: 8:00am - 5:00pm
Sunday: Closed