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Vinyl Windows Sale

Save Up to 40% On New Windows!

Book your order by October 30th to lock in major savings. Don’t miss out!

    39 years of business
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    Professional Installation & Replacement of Vinyl Windows

    At WELDA Windows & Doors, we believe great windows deserve expert installation. Whether you’re replacing old windows or building your dream home, our certified team ensures a perfect fit every time. From consultation to clean-up, we handle every detail with precision, so you can enjoy a seamless upgrade without the stress.

    • Expert consultations to match your needs.
    • Fast and efficient window installations.
    • Quality materials backed by lifetime warranty.
    • Serving Vaughan, Scarborough, Whitby, Pickering & Newmarket homeowners since 1986
    Get a free estimate

    Benefits of UPVC Windows:

    High Durability and Longevity

    UPVC windows are highly durable, resistant to impacts, and maintain their structural integrity over time, providing a long-lasting solution for your home.

    Environmentally Friendly

    Made from recyclable materials and free of harmful chemicals like phthalates and BPA, UPVC windows are a safer choice for both your home and the environment.

    Low Maintenance

    With a less porous surface, UPVC windows require minimal upkeep, reducing the need for frequent cleaning and maintenance.

    High Energy Efficiency

    UPVC is known for its excellent thermal efficiency, helping to reduce energy costs by maintaining comfortable indoor temperatures year-round.

    Upgraded Product Features

    Choosing a professional installation company guarantees a precise and stress-free experience. Our expertise and dedication to quality has made us one of the top destinations in and around Toronto.

    • 1

      Insect Guard Fly Maze

      Our windows feature a sponge-like insect guard within the hollow, multi-chamber frames to prevent insects from nesting or entering through the window frame.

    • 2

      Easy Clean Neat+™ Glass

      Neat+™ glass reduces dust with static dissipation and uses sunlight to break down pollutants, keeping windows naturally cleaner.

    • 3

      LoE Coated Glass

      Our LoE coated glass meets Canada’s ENERGY STAR standards by balancing solar heat gain and insulation, reflecting infrared and UV light to maintain comfort and protect interiors.

    • 4

      Super Spacer Technology

      With a low failure rate, our windows are backed by a 20-year warranty, providing unmatched protection against seal failure.

    • 5

      Lead-Free MultiChamber UPVC Frame

      Our multi-chamber UPVC frames are designed to direct moisture away, minimizing condensation and preventing mold growth.

    • 6

      ETI Insulation®

      Engineered Thermal Insulation maximizes efficiency by using rigid insulation bars with dead air space, reducing heat and cold transfer through the window frame.

    • 7

      UV Protection & Energy Efficiency

      Our windows provide superior UV protection, reducing furniture fading, lowering heat gain, and helping cut down energy costs. Featuring a U-Factor of 1.4 W/m²K and an Energy Rating (ER) of 29+, they meet and exceed efficiency standards.

    • 8

      Noise Reduction Technology

      Advanced multi-chamber frames and specialized glazing reduce exterior noise, creating a quieter indoor environment.

    • 9

      Impact-Resistant & Durable

      Made from high-quality uPVC, our windows resist impact, warping, and cracking, ensuring long-lasting performance.

    • 10

      Eco-Friendly & Recyclable

      Our vinyl windows are 100% recyclable, free from harmful phthalates and BPA, making them an environmentally responsible choice.

    • 11

      Lifetime Warranty Protection

      Our windows are backed by a Lifetime Warranty covering frames, sash, insulating glass, and hardware, with a 15-year Solar Bond™ paint warranty.

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    Winter is Coming: Prep Your Home & Save Big

    O% Interest

    For up to 36 Months (O.A.C.)
    No hidden fees, just easy payment

    UP TO 40% OFF

    All Windows and Doors

    Free Upgrades

    Exterior Colour, High-energy Glass

    Grab These Exclusive Offers Before They’re Gone!

    Valid Until September 28th, 2026

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    Why choose Welda over the big manufacturers

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    Premium Products

    Durable, stylish, and energy-efficient windows and doors designed to enhance your home.

    Professional Service & Installation

    Certified experts deliver a seamless installation experience, paired with personalized solutions tailored to your home and needs.

    Strong Warranties

    Industry-leading protection for lasting peace of mind.

    Fair & Transparent Pricing

    Competitive rates with no hidden costs.

    35+
    Years in business
    20k+
    Successful projects
    200,000+
    Windows and Doors Installed
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    Schedule a Free Consultation

    Contact WELDA Windows & Doors today to find out how we can help you with your window and door needs.

    Get a free quote

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    See the WELDA Difference

    35+
    Years in business
    20k+
    Successful projects
    200,000+
    Windows and Doors Installed

    Your Trusted Experts Across Ontario: Over 45 Locations Ready to Serve You

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