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Some of our top rated window contractors in Thornhill, Ontario

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  • Window Contractor in Thornhill, Ontario

    Stand Up Reno provides expert water damage remediation, insurance claim support, and full-service renovation solutions. From design planning to material selection, we guide our clients through every step of their project. Specializing in custom bathrooms, kitchen design, floor plan modifications, and complete home renovations, we deliver tailored results that fit each of our client’s vision. Our services also include professional flooring installation, whole-home painting, and pre-sale preparation to maximize property value. With a focus on quality craftsmanship and client satisfaction, Stand Up Reno transforms challenges into beautifully finished homes.

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  • Window Contractor in Thornhill, Ontario

    Need a General contractor, Window Contractor, Kitchen Renovation Company, Handyman, Landscaping Company, Carpenter, Bathroom Renovation Company, Concrete Specialist, Garage Specialist, Condominium/Apartment Specialist, Interior decorator, HVAC contractor, Plumber, Tiler, Interior designer, Architect, Cabinet maker, Metal worker, Mason, Demolition company & Pool company based in Woodbridge or nearby? Quality Homeworks 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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  • Window Contractor in Thornhill, Ontario

    I understand the challenges of managing multiple projects and sourcing reliable, high-quality materials. My goal is to make your job easier by providing: ✔ Competitive pricing without compromising on quality ✔ Efficient sourcing to save you time and effort ✔ Flexible order fulfillment with fast delivery options ✔ Dedicated support to ensure your project runs smoothly I’d love to discuss how I can support your upcoming projects. Let’s schedule a quick call or meeting at your convenience. I can also provide complimentary samples for you to review.

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  • Window Contractor in Thornhill, Ontario

    We’re 4Cousins General Construction — born from family, built on trust, and proud to get our hands dirty. Based in Canada and rooted in old-school craftsmanship, we handle everything from stonework and demolition to full-home additions, woodwork, and landscaping. No fluff. No delays. Just straight-up solid work done the right way — with care, grit, and good tools. We don’t just build things — we build them to last. Let’s get to work.

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  • Window Contractor in Thornhill, Ontario

    The installation custom size aluminum roll shutters

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  • Window Contractor in Thornhill, Ontario

    I’m very hardworking, I listen to Costomer’s ,I have been a handyman for long, u won’t regret letting me work for you

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  • Window Contractor in Thornhill, Ontario

    Next Approach Zone is a trusted renovation and property improvement company serving the Greater Toronto Area. We specialize in residential renovations including flooring installation, drywall and framing, bathroom upgrades, painting, trim work, and general interior improvements. Our goal is to deliver high-quality workmanship, honest pricing, and a smooth experience for every client. Whether it’s a small repair or a full renovation, we focus on detail, durability, and customer satisfaction. At Next Approach Zone, we treat every project like it’s our own home. From planning to completion, we make sure the job is done right.

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  • Window Contractor in Thornhill, Ontario

    We just finish project in sudbury worth 1.2M

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  • Window Contractor in Thornhill, Ontario

    I've been in the business since 2002 Have an extensive experience in the field. Thousands projects done by myself in GTA for the period.

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  • Window Contractor in Thornhill, Ontario

    We come up with the 21 st century design and experiences in the field. Interactive Global Business is proud to serve the southwestern Ontario Region. We are quickly becoming the first choice of many house owners and companies when it comes to providing Handyman, moving and commercial cleaning services. We are bi-lingual, speaking French and English.

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  • Window Contractor in Thornhill, Ontario

    We are new in homestar please support us. Tired of unreliable contractors? At iRenovation, we believe in getting the job done right the first time. From Minor Fixes to Major Renovations." As a locally owned and insured business, we treat your home with the same care as our own. We're not just fixing problems; we're giving you peace of mind and your time back. Handyman services. Renovations legalBasement basement entrance landscaping. bathroom caulking Contact us to talk about your job and get a quote.

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  • Window Contractor in Thornhill, Ontario

    Welcome to Exotic Framing! Based in Ontario, we specialize in high-quality framing carpentry — but that’s just where we start. We also provide a wide range of remodeling services, including drywall, painting, tiling, demolition, and post-construction clean-ups. We come fully equipped with professional-grade tools for any type of job, and we maintain up-to-date safety certifications to ensure every project is completed with top-tier quality and the highest safety standards. With us, you’re getting reliable work, friendly service, and results you can trust.

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  • Window Contractor in Thornhill, Ontario

    JJT construction is a mississauga based renovation basement and aluminium railing and columns also fence and glass railing,Carpenter, Window Contractor, Metal worker, Locksmith & Stairmaker company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace window bars and railing, message us so we can assist you and arrange a quote.

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  • Window Contractor in Thornhill, Ontario

    With over 20 years of experience working in the trades and as a general contractor I pride myself in delivering good quality and honest work with competitive pricing. Throughout the years I have gained experience and knowledge in many different trades. I am a fully licensed Red Seal certified Plumber and Pipefitter with years of experience in tile setting, bathroom waterproofing, drywall and plastering, electrical, painting, finish carpentry including crown molding, coffered ceiling, wainscoting, wall panels, interior framing and concrete work.

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  • Window Contractor in Thornhill, Ontario

    Welcome to Hermes Exteriors Windows & Doors! We may be new to HomeStars, but we’ve been proudly serving Ontario for over 20 years. As a family-owned business, we bring a personal touch to every project—treating your home or business as if it were our own. We specialize in supplying and installing high-quality European and North American aluminum, fiberglass, and vinyl windows and doors. From modern upgrades to energy-efficient solutions, we help you enhance your space with style, security, and peace of mind. Our services include: • Residential window & door replacement • Commercial glazing – Storefronts, multi-residential buildings, curtain walls, glass partitions, and glass pool railings At Hermes Exteriors, your satisfaction is our top priority. We’re here to earn your trust—one project at a time.

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  • Window Contractor in Thornhill, Ontario

    Strong communication, reading, numeracy, problem-solving & planning skills Ability to interpret specifications and shop drawings Ability to work with machinery & power tools

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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 552 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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