Describe your job with details to view a tailored list of pros.
Post your job

Some of our top rated window contractors in Thornhill, Ontario

3118 Results

Sort by:

  • Window Contractor in Thornhill, Ontario
    • Best of the Best 2025
    • Best of Awards 2026

    MOORE SKYLIGHTS is based in Toronto, Ontario. We have been repairing and replacing every type, style, and size of skylight for over two decades! Our services are available but not limited to Durham Region, York Region, and the GTA. Our mission is to enhance your lifestyle and property by installing, repairing, and replacing your skylight(s). We know that your quality of life is affected by your surroundings, so let us enhance the environment you're living in. Call us today for a free estimate and inspection! Toronto Skylight Replacement - Skylight Repairs - Skylight Replacements - Sun Tunnel Installations - Skylight Installations - Roof Repair - Attic/Loft Conversions - Cathedral Ceilings - Other Home Services... GUARANTEE Are you tired of spending money only to end up with more problems than when you first started? Call the repair/replacement specialists today! We care about our work, our clients, and treat every job as if it were our only one. The most important part of our job other than leak proof skylights, is having happy customers who love the work done to their residence. Whether repairing small simple skylights or replacing larger, more detailed units, we execute every job with confidence, customer care, and most importantly a leak proof skylight. We personally offer a full 10 year guarantee on our workmanship. This is in addition to a 20 year manufacturers warranty on glass seal failure. Call today for a free estimate and inspection of your skylight(s). Thank you for considering Moore Skylights.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Crown kitchens and cabinets -custom kitchen -custom closets -quartz countertops. -laminate countertop. - custom bars. - custom vanities

    Get in touch
  • Window Contractor in Thornhill, Ontario

    SolidEdge Landscaping specializes in professional landscaping, stonework, and hardscaping. We design and build beautiful, functional outdoor spaces — including patios, walkways, retaining walls, and complete landscape projects — with a focus on quality craftsmanship and lasting results.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Reliable and detail-oriented handyman with hands-on experience performing a wide range of residential and light commercial maintenance, repair, and installation tasks. Skilled in troubleshooting issues quickly, delivering quality workmanship, and ensuring all jobs are completed safely and efficiently.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Hello, my name is Steve Bookal I have worked in renovations for the past 20 years. I am running my own small business with a small team getting jobs done for a reasonable price the past 15 years. I do work in most areas of the GTA mostly for legalizing basements I have contacts that do can do any specific licensed work.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Caspian Handyman Services.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    NEW CUSTOMER SPECIAL – 10% OFF Your First Project......LIMITED TIME ONLY! Need repairs, renovations, installations, or general handyman work? We've got you covered! Bluemoon has been working all over the Gta with over 100+ projects completed over the last 15 years we take pride in our quality and put our clients first! From big projects to small jobs, we approach every task with a commitment to quality services, reliable service and best pricing. Our mission is perfection, and we promise you won't be disappointed! Services Include: ✅ Bathroom Renovations ✅ Kitchen Renovations ✅ Tile Installation ✅ Hardwood, Laminate, Vinyl (Flooring) ✅ New Plumbing, Fixtures, Repairs, Drains ✅ Toilet Replacement ✅ General Repairs & Maintenance ✅ Electrical Work ✅ Drywall Repair & Patching ✅ Framing ✅ Painting & Touch-Ups ✅ Handyman Services Available ✅ Home Improvements (Inside & Out) ✅ Land/Hard-scaping, Decks, Fences ✅ Odd Jobs & Much More... Why Choose Bluemoon Reno? ✔ Professional & Reliable ✔ Clean & Respectful ✔ Attention to Detail ✔ Licensed & Insured ✔ 100% Customer Satisfaction Guaranteed

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Introduction At Bolt and Timber Inc., we are a full-service general contracting firm specializing in home renovations, kitchen and bathroom remodels, and custom interior and exterior upgrades. Our skilled team of four professionals brings hands-on experience, attention to detail, and pride in workmanship to every project we take on. We handle a wide range of services including bathroom renovations, kitchen remodeling, flooring and tiling, drywall installation and repair, interior and exterior painting, as well as deck and fence installation and repairs. Whether it’s updating a single room or completing a full home renovation, we have the tools, training, and expertise to deliver durable, high-quality results. Bolt and Timber Inc. is fully equipped with our own specialty tools, allowing us to work efficiently and maintain consistent quality on every job. Our work is supported by formal education, including a Diploma from a Skilled Trades College in Canada, giving our clients confidence that their homes are in capable, professional hands. We are committed to clear communication, reliable timelines, and craftsmanship that adds lasting value to your home.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Hi, I’m Hussein Ramadan, a skilled handyman with experience in a wide range of home projects. I’ve replaced chandeliers and ceiling fans of all sizes, assembled furniture from various companies, and completed extensive electrical work as an apprentice alongside highly skilled trade professionals. I take pride in leaving every client satisfied, which has earned me repeat calls from happy customers. I’ve also helped friends and family with moving, general repairs, and home improvements, bringing reliability and care to every job.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    I’m a driven hard worker with over 29 years of experience in many different aspects of construction mainly in renovations. I specialize in a variety of trades including drywall and plaster and finsh carpentry. But I’m also not limited to those specific trades. Being honest and punctual is key to happy customer.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Hello everyone, my name is Mykola, I am a young and promising guy who is moving forward, happy to help you with any problem you have, we do everything beautifully and clearly for ourselves, we will cope with any of your problems

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Hello! As GTA HANDY MAN, we pride ourselves on being your reliable, go-to partner for all home maintenance and improvement needs. We understand that maintaining a home requires a diverse skill set and a high degree of trust. Our mission is to provide expert craftsmanship and exceptional service with every job we undertake. Our Commitment Reliability: We show up on time and complete projects efficiently. Expertise: From minor repairs to significant renovations, our skilled team handles it all. Quality Workmanship: We use quality materials and proven techniques to ensure lasting results. Customer Satisfaction: Your peace of mind and satisfaction are our top priorities. Services We Offer General Home Repairs: Fixing drywall, minor plumbing issues, electrical updates, and appliance installations. Carpentry & Trim Work: Custom shelving, cabinet installation, door repairs, and baseboards. Exterior Maintenance: Gutter cleaning, minor siding repairs, and deck maintenance. Painting & Drywall: Professional interior and exterior painting services. Trust GTA HANDY MAN to handle your projects with professionalism and care, giving you more time to focus on what matters most.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    I am an elderly male with over 25 years of carpentry. Mostly finish carpentry. I also have experience in window,glass,screen repair and sliding patio door repair. I will work within a 50 km radius of Whitby. I have stair runners,,moving blankets to cover your floors and clean up when i am done.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Transform Your Dream Home with us. Our services include renovations and custom new builds. Our team is dedicated to provide high-quality services with a strong focus on customer satisfaction.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Highly motivated and skilled carpenter with more than 5 years of experience in renovation field. We do all kind of renovations like installing kitchen cabinets, flooring, tiles, deck and fences, hanging door, shower doors, drywall, assembling furnitures and much more!!

    Get in touch
  • Window Contractor in Thornhill, Ontario

    We do our work with quality and for a long time.

    Get in touch

4.9

Top rated Window Contractors

Our Window Contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 549 reviews from homeowners like you.

Quality screening

Easily find verified local pros. Just post your job to get quotes from pros near you across Canada.

What types of services are offered by window installers in Thornhill, Ontario?

Window installers in Thornhill, Ontario provide solutions for a wide range of home and business needs. Working with a pro ensures projects are completed efficiently and are tailored to your property’s specific requirements.

Popular services offered by window contractors in Thornhill, Ontario include:

  • Installing or replacing glass windows to improve energy efficiency and ensure your home is protected from drafts

  • Installing or replacing window frames to upgrade aging or damaged frames and provide a secure foundation for new window panes

  • Integrating or replacing skylights or light domes to bring natural light into darker areas of the home

  • Fitting or replacing insect screens to keep bugs out while allowing fresh air to circulate

  • Repairing windows to fix issues like broken seals, damaged hardware, sticking tracks, or cracked panes

  • Repairing dormers or skylights to address leaks, worn flashing, or structural problems that can cause moisture damage if left untreated

  • Weatherproofing windows and doors to help homes handle extreme cold, snow, and temperature fluctuations

Find the right window contractor in Thornhill, Ontario with ease. Share the details of your project on HomeStars, and local pros will get in touch. Browse their profiles, see past work, and request quotes to make an informed decision for your home or business.

What are the average costs of window installation and replacement contractors in Thornhill, Ontario?

Before you start working with a window contractor in Thornhill, Ontario it’s helpful to understand typical pricing. Knowing the usual costs for window work in your area can help you plan your budget and choose the right materials.

Most window contractors in Thornhill, Ontario provide flat project quotes for both repairs and installations. This pricing usually reflects the type of window, labour involved, materials, disposal fees, and any additional features such as energy-efficient glass or custom sizing.

For common window installation and replacement jobs in Thornhill, Ontario, expect the following:

  • Standard vinyl window replacement cost: $300 to $800 per window, including installation
  • Energy-efficient or triple-pane window installation: $600 to $1,200 per window
  • Installing or replacing window frames: $600 to $1,200 per window
  • Installing or replacing skylights or light domes: $1,000 to $4,000+
  • Installing or replacing insect screens: $50 to $150 per window
  • Repairing dormers or skylights: $300 to $1,200
  • Minor window repairs (resealing, hardware fixes): Often $150 to $500
  • Weatherproofing windows and doors: $5 to $10 per window; $200 to $600 for all windows and doors

Find window contractors in Thornhill, Ontario on HomeStars

Whether you need a simple repair or full window replacements, connecting with window contractors in Thornhill, Ontario is straightforward. HomeStars makes it easy to find the right fit for your project.

How to hire Thornhill, Ontario window installation contractors on HomeStars:

  1. Start by posting your project. Clearly outline the type of window installation or repair you’re planning, and add pictures to help window contractors in Thornhill, Ontario understand the job.

  2. Compare profiles, review work history and read customer feedback for window installation and window replacement contractors in Thornhill, Ontario.

  3. Connect with multiple window contractors in Thornhill, Ontario to discuss your project, request quotes and ask any questions.

  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system helps highlight those who deliver great results and flags issues when work doesn’t meet expectations.

Thanks to HomeStars, you find and compare local window contractors in Thornhill, Ontario easily. All window installers in Thornhill, Ontario who join our platform are verified through ID and company checks, so you can hire with confidence.

What to ask a window contractor in Thornhill, Ontario before hiring?

If you’re wondering how to choose a window contractor in Thornhill, Ontario, these questions can help you find the right match for your project.

Are you licensed and insured?

It’s always a good idea to confirm that window contractors in Thornhill, Ontario have the proper licensing for your area and carry insurance. This protects you in case of accidents or damage during installation or repairs.

What materials and window types do you recommend?

The right window contractor in Thornhill, Ontario will explain the options available, such as vinyl, aluminum, wood, or energy-efficient windows, and advise on what works best for your home and climate.

How do you handle unexpected issues?

Occasionally, Thornhill, Ontario window installers encounter problems like hidden water damage or framing issues. Knowing in advance how they handle additional work or costs can save stress later.

Will you take care of permits if required?

Some window installations, particularly egress windows, large replacements, or projects involving structural changes, may require permits from your municipality. It’s important to ask window contractors in Thornhill, Ontario whether they handle the permit application and approval process or if that responsibility falls to you.

FAQ: Common questions about window contractors in Thornhill, Ontario

Do Thornhill, Ontario window contractors offer warranties or guarantees?

Many window installers in Thornhill, Ontario provide warranties on both materials and installation. Clarifying coverage protects you if problems arise after the project is complete.

Do Thornhill, Ontario window contractors provide custom solutions for unique window sizes or shapes?

Many window installers in Thornhill, Ontario can create or source custom windows for bay, bow, arched, or non-standard openings to ensure a proper fit and finish.

Can Thornhill, Ontario window contractors handle both residential and commercial projects?

Some window installation and replacement contractors in Thornhill, Ontario specialize in residential homes, while others also work on commercial buildings. Make sure your preferred Thornhill, Ontario window contractor has experience with the type of property you need serviced.

Can window contractors in Thornhill, Ontario replace or upgrade windows while I’m living in the home?

Some window contractors in Thornhill, Ontario can work efficiently without major disruption, while others may require rooms to be cleared or temporarily vacated. Clarify this before hiring.

Other pros in Thornhill, Ontario

Cities