Aluminum doors are a smart investment because they improve energy efficiency, reduce drafts, and lower heating and cooling costs. They also provide strong security, resist warping and rot, and require less maintenance than older materials like wood. For Ontario homeowners, aluminum doors balance durability with style and long-term savings.

If you’ve been searching for aluminum doors, chances are you’re comparing your options before replacing an older entry door. Many homeowners in London Ontario are struggling with the same issues: high energy bills, chilly drafts, or simply not knowing which material is the best choice.


This guide is for you if:

You want clear answers about why aluminum doors are a good investment.

You’re concerned about rising utility costs and want a more efficient home.

You’re tired of drafts and leaks from an older door.

You’re unsure if aluminum is the right pick compared to wood or steel.

Below are three straightforward reasons why aluminum doors make sense for 2025 and beyond.


aluminum doors

1. Better energy performance and lower bills

One of the biggest frustrations homeowners share is watching their energy bills climb year after year. Old doors often play a hidden role.
Why older doors waste energy
Frames may warp or shrink, leaving gaps for drafts.           

Single-pane glass inserts lose heat quickly.

Worn weatherstripping fails to seal properly.

Even small gaps can let out warm air in winter and cool air in summer. That forces your furnace or AC to run longer and harder.
How aluminum doors solve this problem
Modern aluminum doors are designed with thermal breaks—a section of non-metal material that separates the inside from the outside. Without it, aluminum would conduct heat too quickly. With it, you get insulation built right into the frame.
Other performance features include:
Insulated glass inserts with Low-E coatings that reflect heat back indoors.

High-quality seals that reduce drafts and air leakage.

Multi-point locks that pull the door tight against the frame for a stronger seal.

Real-world impact on bills

How much can this save? Exact numbers vary by home size and utility rates, but families often report noticeable drops in monthly costs once drafts are eliminated. According to Natural Resources Canada, even small upgrades in insulation and sealing can add up to hundreds of dollars saved annually on heating and cooling.
When you think about the lifespan of a door (often decades), those savings stack up. That’s why many London Ontario homeowners view aluminum doors not as a purchase, but as an investment.


2. Durability and security that lasts

Another pain point homeowners face is maintenance. Wooden doors may look good, but they can rot, swell, or crack over time. Steel doors are strong, but without the right coating they can rust.
Why durability matters
A front door sees daily use. It’s exposed to temperature swings, rain, humidity, and sometimes even snow build-up. If your door warps, locks may not line up, gaps may appear, and security can be compromised.
What aluminum offers
Resists rot and warping: Unlike wood, aluminum doesn’t absorb water.

Corrosion-resistant finishes: Powder-coated surfaces stand up to moisture.

Strong but lightweight: Easier to install and operate while still secure.

Hardware compatibility: Aluminum frames support modern lock systems, including multi-point and smart locks.

Security advantages

Security is about more than locks. Aluminum’s strength allows for reinforced frames that are harder to kick in. When paired with laminated or tempered glass inserts, aluminum doors provide peace of mind without sacrificing style.
And since they don’t shift with humidity like wood, locks remain aligned and reliable. That means fewer service calls and less frustration.
Maintenance wins
No sanding or staining every few years.

No peeling paint or rust streaks.

Just a quick wipe with mild soap and water keeps them looking sharp.

When you add up fewer repairs, fewer replacements, and long-term performance, aluminum doors often cost less to own over their lifetime than cheaper alternatives.


3. Style and comfort suited for London Ontario homes

Many homeowners hesitate on aluminum because they imagine a cold, industrial look. But modern aluminum doors come in a range of finishes and designs.
Style options
Powder-coated colours: From classic black and white to custom tones.

Decorative glass inserts: Frosted, stained, or clear for natural light.

Contemporary or traditional profiles: Clean lines for modern homes, or panelled looks for heritage-style houses.

Comfort and fit for Ontario’s climate
London Ontario experiences cold winters and humid summers. Aluminum doors are built to handle this:
Tight seals stop winter drafts.

Thermal breaks prevent frames from feeling icy to the touch.

Coated surfaces hold up against humidity and seasonal changes.

By pairing style with comfort, aluminum doors improve not just efficiency and security, but daily living. You’ll feel fewer drafts by the entryway and enjoy a quieter, more comfortable home.


Windows and doors London Ontario: Local considerations

If you live in London Ontario, you know the weather can test your home’s insulation. That’s why choosing the right installer matters just as much as the material.
Local homeowner tips:
Ask for doors rated for Canadian climates with Energy Star certification.

Confirm the installer uses high-quality weatherstripping and foam insulation during fitting.

Look at recent projects in your neighbourhood to see how aluminum doors perform in real homes.

Balance your choice of windows and doors together, since replacing both at the same time can improve overall efficiency and comfort.

For a side-by-side look at aluminum compared to steel, the Steel Door Institute has a helpful breakdown.

windows and doors

How to decide: a simple checklist

Before committing, ask your supplier these five questions:
Does the frame include a thermal break, and what’s its insulation rating?

What type of glass inserts are available, and are they Low-E or triple-pane?

Is the finish powder-coated, and what’s the warranty on fading or chipping?

What lock options are available—single-point, multi-point, or smart lock compatible?

Can you provide recent references from homes in London Ontario?

Once you have answers, you’ll feel more confident in your choice.


Next steps

McCallum Aluminum Ltd has been installing steel and garden doors across Ontario for decades. See available styles here: steel and garden doors.
Ready for a personalized quote? Contact the team today at Request a free estimate.

FAQs

Q: Are aluminum doors energy efficient?
Yes. With thermal breaks and insulated glass, aluminum doors are designed to perform well in Canadian climates.
Q: How long do aluminum doors last?
With proper finish and installation, aluminum doors can last decades with minimal maintenance.
Q: Do aluminum doors dent easily?
They can dent with heavy impact, but reinforced designs and powder-coated finishes reduce visible wear.
Q: How do aluminum doors compare to steel?
Steel is stronger but heavier and may rust without treatment. Aluminum is lighter, resistant to corrosion, and often easier to maintain.
Q: Can aluminum doors match traditional styles?
Yes. Modern designs include panelled looks, custom colours, and decorative glass to fit older or newer homes.