Energy Efficient Windows and Doors
Modern and Traditional Designs
WELDA offers high quality, durable, easily maintained energy efficient premium vinyl windows, front doors and patio doors, custom built for you and your home.
We design, install, guarantee and service windows and doors since 1984. We do it all, with endless custom options.
Windows
Everyone wants quality windows, but not everyone wants the same size or style. That’s why WELDA offers a full selection of styles that can accommodate any design need or architectural style. The only factor that won’t differ from style to style, or size to size is the quality.
Learn moreDoor System
There’s more to replacing your existing entry door than just hanging a new door in an old jamb or settling for a pre-built, off the shelf door from a home center. With a new entry system from WELDA you get a complete entry door system with a variety of options allowing you to create a unique entrance to your home that combines the best low maintenance and energy efficiency features available.
Learn morePorch Enclosures
WELDA porch enclosures are the greatest thing since sliced bread! But don't take our word for it - ask anyone who's had an enclosed patio installed. Porch enclosures are immensely practical additions to your home especially in the extreme Canadian climate.
Learn moreMore Products
Windows and doors may be what WELDA is best known for. But we also provide a whole range of other quality products such as Awnings, Pergolas, Windows Coverings to improve your home further.
Learn moreThe 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 people are saying about us
WELDA Windows and Doors have been supplying windows and doors for over 35 years and you don’t survive that long without providing customers with great service.
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We asked Jimmy for white aluminum enclosure with insulated roof on top in front of main entrance door. I am impressed with their ...
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@joedoe
Yesterday we had a new front door installed by Welda Windows & Doors. We went from a double door to a single door with two sidelites. ...
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Dear Management of Welda Windows and Mr. Joseph Rosenberg and Mr. Tony Converso. Just a short note to thank you and acknowledge how ...
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Fabulous, Fabulous, Fabulous …. We are extremely ecstatic with our new windows and doors from Welda Windows. From beginning to end my ...
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After asking 9 window companies from GTA to visit my house for a quotation, I ended up selecting Welda Windows to install 11 windows with ...
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Proudly serving Toronto, GTA, Ontario
Welcome to Ontario’s leading home improver, WELDA Windows & Doors, serving your needs since 1984. We serve the following areas
Industry insights
Read allStart your project today
Get in touch for an accurate, no-obligation quote.