Why WELDA?

Welda stands for quality, reliability, and customer satisfaction. With years of expertise and a trusted reputation, we’re here to bring your vision to life.

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35+

Years in business

20k+

Successful projects

200,000+

Windows and Doors Installed

Why choose WELDA?

With so many windows and doors companies out there, why choose WELDA?

At WELDA Windows and Doors, we believe home improvement is more than just new windows or doors—it’s about delivering an exceptional experience from start to finish. That means:

✅ Premium Products – Durable, stylish, and energy-efficient windows and doors designed to enhance your home.

✅ Expert Installation – Certified professionals ensuring a seamless, precision fit.

✅ Personalized Service – A customer-first approach with tailored solutions to meet your needs.

✅ Strong Warranties – Industry-leading protection for lasting peace of mind.

✅ Fair & Transparent Pricing – Competitive rates with no hidden costs.

For over 35 years, homeowners across Ontario have trusted us to deliver superior quality and service. We are proud to be a SAWDAC member, Window Wise Certified Dealer, and Energy Star Participant—ensuring the highest standards in the industry.

At WELDA, you’re not just upgrading your home; you’re investing in confidence, comfort, and long-term value.

The benefits of working with us

High Quality

Searching for high quality windows & doors? WELDA provides only high quality products designed to last for many years to come.

Fair Pricing

What is a fair price? WELDA Windows offers the best combination of price and value. Our prices are incredibly affordable.

Expert Installation

What`s more important than price or quality? Installation! Since 1984 more than 40,000 homeowners have chosen WELDA Windows.

Excellent Warranty

Homeowners should consider WELDA for the long list of warranty benefits assured with every product purchased and installed.

What Our Clients Say
About Us

We replaced all our windows and I was nervous about the mess and potential damage. The crew was perfect, fast and very clean. Got it done in a day and a half. The new windows are much better and the house looks great.

Peter

Had my whole house windows replaced. They were fast, friendly, and even checked up on me a month later to make sure I was happy. A++ service. Helped me get energy rebate at no extra cost for filling out paperwork.

Luna B

Best in their league! Reasonably priced! No games. What they say is what you get. Excellent customer service. Quality installation. Punctual and delivered right on schedule.

Trace

Installer arrived on time and date promised. Work was done cleanly and efficiently. We have been enjoying the awning and getting many compliments on it. The salesman who came to our house was very professional and knew his product dry well. Thank you Joseph.