Proudly Canadian WELCOME TO
15,000 +
CUSTOMERS
25,500
QUALITY INSTALLATIONS
30+ YEARS
IN BUSINESS
BOOK AN APPOINTMENT
By submitting this form, you are consenting to receive marketing emails from: . You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact
Professional Window and Door Installation in Markham
Looking for expert window and door installation in Markham? Torwin Windows & Doors has been proudly serving Markham homeowners for over 35 years with custom, energy-efficient solutions that combine durability, beauty, and functionality.
Whether you’re replacing outdated windows or upgrading your front entry to boost curb appeal, our certified in-house team is with you every step of the way—from personalized selection guidance to flawless installation.
Plus, with many of our windows and doors qualifying for the Ontario Home Renovation Savings Program, you could generous rebates on your project.
Why Choose Torwin for Your Windows and Doors in Markham
When it comes to window and door installation in Markham, homeowners turn to Torwin for one key reason: trust. As a family-owned business with deep local roots, we’ve built our reputation on delivering exceptional service, premium products, and superior craftsmanship—without shortcuts.
We’re close by.
Our showroom is conveniently located just off Highway 404, near Woodbine Avenue and John Street. That means we’re only a few minutes away, wherever you are in Markham. Stop by anytime to get advice, explore samples, or ask questions about your renovation.
What sets us apart:
- ✔ Certified and insured installers (WSIB, Working at Heights, Window Wise)
- ✔ Dedicated custom carpentry team (not subcontracted)
- ✔ Exclusive access to Armor Series vinyl windows by Vinylbilt
- ✔ Energy-efficient, Energy Star-certified products
- ✔ Local Markham showroom
- ✔ Ontario Home Renovation Savings Program eligible solutions
- ✔ In-house project managers—no third-party installers
Unlike many dealers who sub out installation, our skilled teams handle everything in-house, ensuring your project is done right, on time, and to code. And our craftsmanship goes beyond simple fitting—we finish your windows and doors with custom trim work, wider profiles, and seamless carpentry that elevate your home’s look and value.
Window Installation in Markham: Styles, Materials & Custom Options
Looking for expert window installation in Markham? Torwin offers a wide variety of custom window styles to suit every home and architectural preference. Whether you’re focused on insulation, aesthetics, or resale value, we provide solutions that check every box.
Popular window styles include:
- Casement, Awning, and Slider Windows
- Bay and Bow Windows
- Greenhouse and Picture Windows
- Custom Mulled Units
Available materials:
- Vinyl (our most popular, including Armor Series)
- Wood and Aluminum-clad (for added design flexibility and performance)
Why homeowners upgrade their windows with Torwin:
- Better insulation and reduced energy bills
- Soundproofing for a quieter interior
- Boosted curb appeal and resale value
- Wide range of finishes, colours, and decorative grills
- Self-cleaning glass coating (SimplyClean™) for less maintenance
We also offer custom aluminum capping for a polished exterior look and superior weather resistance.
Doors Installation in Markham: Entry Doors, Patio Doors & More
For doors installation in Markham, we provide tailored solutions that enhance your home’s style, security, and efficiency. From bold entryways to sleek patio sliders, our selection and expertise make all the difference.
Types of doors we install:
- Entry Doors (Steel, Fiberglass, Wood)
- Patio & Sliding Glass Doors
- French Doors, Storm Doors, Garage Doors
- Sidelites & Transoms for added light and elegance
Design & Performance Options:
- Dozens of exterior colours, hardware styles, and trim profiles
- Advanced energy ratings for insulation and cost savings
- Enhanced security features (multi-point locks, reinforced frames)
- In-house carpentry for custom trim and fast turnaround times
Our in-house team can even knock out walls for oversized patio units or custom installations that many other companies can’t offer. Whether you need a new fiberglass front door or a full-height multi-panel patio wall, Torwin makes it happen—beautifully and professionally.
Energy-Efficient Products + Ontario Home Renovation Savings Program
Many of our windows and doors are Energy Star-rated, helping homeowners reduce energy costs and improve comfort. Even better, these upgrades may qualify for the Ontario Home Renovation Savings – attractive rebates for upgrading to energy efficient solutions.
Program highlights:
- Get new energy effiicient upgrades
- Receive $100 per rough opening
- Open to Qualified Enbridge Gas customers
While the process can be complex, Torwin handles everything—we help determine your eligibility, recommend qualifying products, and connect you with certified energy advisors.
Big savings on new energy-efficient windows and doors – Ask us how!
Why Markham Homeowners Trust Torwin
At Torwin, we don’t just sell windows and doors—we deliver peace of mind. With over three decades of industry experience, our project managers, in-house carpentry team, and full-time installers ensure your renovation is seamless, stress-free, and built to last.
Here’s what makes us different:
- The same expert who measures your project also installs it—no miscommunication or missed details
- We handle everything from structural framing to premium interior trim work
- We use real wood trim (Poplar), not composite or MDF
- No subcontractors—just highly trained, loyal team members focused on your satisfaction
When you hire Torwin, you’re choosing uncompromising quality, local expertise, and a team that treats your home like their own. Our goal is to be the last windows and doors company you’ll ever need!
Ready to Upgrade Your Windows and Doors?
Trust the team with 35+ years of experience, unmatched craftsmanship, and a reputation for quality across Markham.
Get a free, no-obligation quote
Learn how you can qualify for the Ontario Home Renovation Savings Program
Enjoy full-service, in-house installation—no subcontractors
Contact Torwin Windows & Doors today and experience the difference of working with a local expert.
BOOK AN APPOINTMENT
We will be happy to answer any questions you may have.
Testimonials
“I cannot begin to say enough about Torwin Windows and Doors. They replaced 20 windows and 4 doors in 3 days, as promised, staying until 8:30 pm on the final day to make it happen. Thank you Torwin! I love my new windows and doors.”
“This is the second time we have used Torwin to replace our windows and doors. Jody, Ivana and Nick were a pleasure to deal with! They are reliable and offer a top quality product at a fair price. The Torwin Team went above and beyond. We would highly recommend them! “
“The Torwin team replaced all of the windows in our home. They were all very professionals from start to finish, ensuring that we were part of the process at each step by step. And they were quick to answer any of our questions along the way.”
door supplier you’ll ever need! We specialize in custom
windows doors solutions. Be assured Torwin delivers the best value and return on your investment as a homeowner.
Business Hours
Monday-Thursday: 9 a.m. – 5 p.m.
Friday: 9 a.m. – 3 p.m.
Weekdays, after 5 p.m. by appointment only
Saturday by appointment only & Sunday closed
* All showroom visits are by appointment only until further notice.
Our team is standing by to answer any of your questions. Contact us today to start your free consultation.