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Window contractors in Thornhill, Ontario

Whether you need window replacements or repairs, post your project on HomeStars and we’ll match you with local window contractors in Thornhill, Ontario. Browse profiles, compare quotes, and read customer reviews before deciding who to hire.

Some of our top rated window contractors in Thornhill, Ontario

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  • Renovations By Matt Ltd

    Rating: 5 out of 5
    Window Contractor in Thornhill, Ontario

    At Renovations By Matt we are committed to excellent service and quality workmanship. Whether your looking for a TO-DO LIST you cant seem to finish, Plumbing issues and installations by our licensed staff or a Full Reno Project, We are here to Help Our team will walk you through every step of the way and ensure everything is completed to your standard. Call or email us today for your free estimate.

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    Latest review:
    Matt and his team did an outstanding job tiling my bathroom. They were punctual. Work was neat and clean. No issues with their workmanship. I got refered to them through a friend of mine. They gave me amazing reviews about them. I will pass it on to any of my colleagues.

  • VT Construction

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Hello All. My name is Vasyl (VT Constuction) We do such types of work as : Demolition, Drywall installation, Painting, finish carpenters and more. We can and want to make you comfortable in your home and around. Best Regards VT Construction

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  • RenewVation Construction Inc.

    No reviews yet

    Window Contractor in Thornhill, Ontario

    RenewVation Construction Inc. is a Canadian company that started way back in 2020 and has accomplished trustworthiness through hundreds of jobs well done all over the GTA. We are your go to company because we will show up no mater what and get the job done accordingly with guarantee and warranty. we do all kind of renovation serveries. From a small drywall patch to full house renovation. Don’t hesitate to reach out to us. Free estimates till we agree on start date.

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  • Steven's hardwood flooring

    No reviews yet

    Window Contractor in Thornhill, Ontario

    My company has been operated for 15 years. We specialize in stairs refinishing and installation. We all so do hardwood, vynl and laminate flooring installation. We do trims and wainscoting also. No job is too big or too small.

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  • On site removal gta

    No reviews yet

    Window Contractor in Thornhill, Ontario

    OSR GTA General Contractor is a trusted construction and renovation company serving homeowners and businesses throughout the Greater Toronto Area. With a strong commitment to quality craftsmanship, safety, and client satisfaction, OSR GTA specializes in residential and commercial projects ranging from full home renovations to custom builds and interior upgrades. Backed by experienced professionals and a detail-oriented approach, the company delivers reliable project management, transparent communication, and results that meet the highest industry standards.

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  • Juan Marquez

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Transforming homes with expert kitchen and bathroom renovations, custom stairs, premium flooring, professional painting, and complete basement finishing.

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  • Sandhu

    No reviews yet

    Window Contractor in Thornhill, Ontario

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  • Royal Raptors Design and Build Lmtd

    No reviews yet

    Window Contractor in Thornhill, Ontario

    We specialize for all kind of flooring installation , tiles installation, Bathroom renovation , house upgraded , designer walls and ceiling , stucco remove , kitchen cabinats , countertop, backsplash , paint job ang legal basement etc.

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  • A M Home Remodelers INC.

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Our company is specialised in all kinds of interior renovations Like; legal basements, full home renovation, washroom upgrades, new washroom to add to a house, painting, flooring, tiling, etc. It’s my promise that if you hire us, you will never regret your decision. Please feel free to call me for free estimate at +1 (437) 774-2939. My name is Mansheg Singh. A M Home Remodelers.

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  • Dgconstruction

    No reviews yet

    Window Contractor in Thornhill, Ontario

    General constractor

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  • Decent Glass

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Need a Window Contractor, Handyman, Carpenter, Upholsterer, Mirrors & Glass specialist, Metal worker & Locksmith based in Brampton or nearby? Decent Glass can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

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  • Catalano Professional Renovations Inc.

    Rating: 5 out of 5
    Window Contractor in Thornhill, Ontario

    Hello! I’m Daniel Calovini, a Mechanical Engineer (P.Eng.) and business owner of Catalano Professional Renovations Inc. I found my passion for renovations through working on my first home, and last year, I left my engineering management position to start my business. I take pride in providing my clients with an experience they haven't had before. An experience that focuses on honesty, reliability, and trust. Together we can add value to your largest asset through a renovation, give you a source of passive income through a rental apartment, or bring your saved Pinterest posts to life. Please don't hesitate to reach out!

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    Latest review:
    General contractor service-
    Daniel did an amazing job with our bathroom Reno and bedroom remodel. He was prompt, reliable, and easy to work with. The project came in on budget and on time. We would highly recommend Daniel as a contractor!

  • Hardeep Singh

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Best Brampton renovation company provide clean and quality work for their clients with fair pricing range

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  • JV RENOS AND DESIGNS

    New on HomeStars

    Window Contractor in Thornhill, Ontario

    JV RENOS AND DESIGNS is a Brampton based General contractor. We work our magic to find you the best deals and cost efficient ways saving you more on renos. Specializing in Kitchen Renovation Bathroom renovations,Landscaping, Concrete Specialist, Garage storage solutions.Condominium/Apartment and house painting. Plumber, Tiler, Interior and exterior demolition. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with house renovation, install or renovate bathroom, install or renovate kitchen, build or renovate sunroom, renovate basement, build pergola, gazebo or garden house, build shed, general contractor service, install and repair or replace caulking & any other handyman work needed, message us so we can assist you and arrange a quote.

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  • Jlk Design

    No reviews yet

    Window Contractor in Thornhill, Ontario

    Need a Kitchen Renovation Company, General contractor, Architect, Cabinet maker, Interior designer, Condominium/Apartment Specialist, HVAC contractor, Handyman, Plumber & Bathroom Renovation Company based in Mississauga or nearby? Jlk Design can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

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  • Gocha Covered

    No reviews yet

    Window Contractor in Thornhill, Ontario

    I’m self starter and mission driven person, with passion in logistics and business.

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4.9

Top rated Window Contractors

Our Window Contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 548 reviews from homeowners like you.

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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.

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