Windows and Doors Markham
We provide top-of-the-line doors and windows that combine style, durability, and energy efficiency for Markham, Ontario. Our factory-direct vinyl windows and entry doors are crafted with precision to withstand the diverse Canadian weather conditions. Get in touch today!With our extensive selection of windows and doors, we are dedicated to providing you with exceptional craftsmanship and lasting durability.
Browse Doors
Brown Front Door with 4 Glass Inserts
SKU: SD157
White Entry Door with Full Glass Insert
SKU: SD143
Black Exterior Door with Sidelites
SKU: FD102
Stylish Single Brown Entry Door
SKU: FD057
Black Front Door with Sidelight
SKU: SD027
Brown Front Door with Matching Transom
SKU: SD021
Vinyl Windows
Get 40% Off on Doors & Windows Replacements in Markham
Book your Free In-Home estimate today!
Expert Installation
Our trained and experienced installers get the job done with precision.
Start Saving Today
With Energy efficient entry doors installed, you save money year round.Energy Efficiency for Markham Homes
Save Energy and Reduce Costs with Our Energy-Efficient Solutions. Our innovative windows and doors are designed to optimize energy performance, keeping your home comfortable while reducing heating and cooling costs.By choosing our energy-efficient solutions, you can enjoy a greener lifestyle and significant savings on your energy bills. Upgrade to ALDA's windows and doors in Markham to experience style and sustainability.
Our windows and doors feature:
- Low-E glass and multi-chamber vinyl frames
- ENERGY STAR® certification for superior performance
- Weather-resistant seals and advanced insulation
Last updated: August 2026.
Servicing The Markham Community
From the bustling tech sector to the historic charm of Main Street Unionville, Markham offers a diverse living experience. Recognizing the city’s dynamic atmosphere, our range includes energy-efficient vinyl windows and an assortment of doors, from sleek steel to durable fiberglass. Backed by competitive pricing and a commitment to excellence, our products cater to the comfort and style preferences of Markham residents.
✔ Energy efficient doors and windows
✔ Steel doors, fiberglass doors, and more
✔ Casement, bay, bow, picture windows, and more
✔ Competitive pricing
✔ Free estimate
Local to Markham
Markham spans everything from the historic Main Street Unionville area to newer, energy-focused communities in Cornell and Cathedraltown. As one of Ontario’s tech hubs, a lot of our Markham customers are upgrading to ENERGY STAR-rated windows and doors as part of broader home energy efficiency projects, alongside classic entry door replacements in the older Unionville core.
Markham FAQs
Do you offer heritage-appropriate doors for Unionville homes?
Yes – we carry traditional-style entry doors that suit Unionville’s historic Main Street character alongside our modern lines for newer Markham communities.
Are Markham installations eligible for Ontario rebates?
Every window and door we install is ENERGY STAR rated, which can qualify for current Ontario rebate programs. Ask your estimator to confirm eligibility.
Vinyl Windows | Front Doors | Patio Doors | Free Estimate
Last updated: August 2026.
Get A Free Estimate.
A Free, No Obligation Estimate in the Comfort of Your Home