windows and doors Markham

Window Replacement & Repair

Windows and Doors Markham: 12 Companies, Features, and Installations

Posted October 4, 2026

If you're planning to replace your windows and doors, which is a major home improvement project, choosing the right company is just as important as choosing the right products. Whether you need one window replaced, a complete set of replacement windows, a new front door, or several patio doors, there are plenty of companies that offer windows and doors Markham homeowners might like. The challenge is figuring out which one actually fits your priorities.

This guide compares 12 companies offering windows and doors in or around Markham. The goal isn't to declare one company universally best. Instead, we'll explain what each company specializes in, who may benefit most from its offering, and what Markham homeowners should compare before signing a contract.

12 Window and Door Companies in Markham

We'll be discussing 12 companies offering windows and doors in Markham. We've checked their Google and Homestars reviews, product catalogues, and key features to consider. Keep in mind that the companies are listed in no particular order, not ranked best to worst.

Markham window and door company Standout features Google reviews Homestars reviews
Magic Windows and Doors Hybrid Fusion Frame,
patented Parallex hardware, secure front doors
4.7/5 (2,297 reviews) 4.9/5 (804 reviews)
EcoTech Windows & Doors ECOSMART product line,
EcoSafe security glass, self-closing locks
4.8/5 (3,880) 4.6/5 (1,194 reviews)
Canadian Choice Windows & Doors DraftLOCK technology for energy-efficiency,
TrueCrankless technology, secure front doors
4.7/5 (2,397 reviews) 4.7/5 (3,501 reviews)
WindowTech Windows & Doors Multi-chamber profiles, 100% lead-free uPVC frames,
aluminum, steel, fiberglass doors, security film application
4.7/5 (405 reviews) 4.9/5 (658 reviews)
Eco Choice Windows & Doors Vinyl and aluminum windows, soundproofing technologies 4.8/5 (786 reviews) 4.8/5 (688 reviews)
Comfort Windows & Doors Self-lubricating hinges, safety film options,
multiple material options
4.8/5 (77 reviews) 5/5 (228 reviews)
Arctic Vinyl Windows & Doors Custom windows and doors;
property management services
4.9/5 (167 reviews) 5/5 (77 reviews)
Luma Doors + Windows 93-degree angle for casement windows, Quad-Seal System,
blinds incorporated into the glass system
5/5 (121 reviews) 5/5 (78 reviews)
Fortress Windows & Doors Window and door replacement;
other exterior renovation services
4.9/5 (108 reviews) 5/5 (364 reviews)
Ambia Windows & Doors Inc. Wide range of material choices, Maxxmar window coverings 4.9/5 (121 reviews) 5/5 (543 reviews)
Torwin Windows & Doors Multiple custom options, reinforced frames, garage doors 4.9/5 (81 reviews) 4.9/5 (209 reviews)
Panorama Windows & Doors Extensive product options, tilt-in sashes, storm doors 4.9/5 (36 reviews) 5/5 (286 reviews)

1. Magic Windows and Doors

Magic Windows and Doors homepage
Magic Windows and Doors homepage

Magic is a Canadian windows and doors manufacturer that has been in business since 1979. The company manufactures and sells its own products directly to consumers and emphasizes proprietary product technology.

The standout features are its Hybrid Fusion Frame, Slide'N'Hide screen technology, and patented Parallex hardware that are incorporated into all Magic window and patio door systems. The company offers casement windows, awning windows, single-hung windows, sliding windows, bay windows, bow windows, custom windows, patio doors, and large window wall systems.

Magic also offers energy-efficient and secure front doors with 30% more steel, 40% more insulation, and an advanced weather-proofing system that can withstand the Canadian climate.

Best suited to: homeowners who want a premium window experience, distinctive hardware, larger glass areas, extensive customization, a long product warranty, and products that can improve a home's energy efficiency

2. EcoTech Windows & Doors

EcoTech Windows & Doors homepage
EcoTech Windows & Doors homepage

EcoTech has a particularly strong emphasis on energy performance. The company has been serving Markham homeowners since 2001 and offers vinyl windows in numerous window styles, as well as patio doors, garage doors, and fiberglass entry doors. It also advertises double- and triple-pane glazing, Low-E coatings, argon or krypton gas fills, and its ECOSMART product line.

EcoTech confirms its products are manufactured in Ontario and advertises lifetime transferable product warranties and free in-home estimates. Their windows have thicker profile walls compared to the industry average, an improved screen groove, a multi-point locking system with a corner drive, heavy-duty self-closing locks, and EcoSafe security glass, which is also available for front door configurations.

Best suited to: homeowners primarily looking for exceptional energy efficiency, insulation, quality windows, and vinyl construction

3. Canadian Choice Windows & Doors

Canadian Choice Windows & Doors homepage
Canadian Choice Windows & Doors homepage

Canadian Choice operates as a manufacturer and installer, offering Markham homeowners a broad range of window and door styles featuring their famous DraftLOCK product technology (which can save up to 60% in energy bills) and their 25-year transferable warranty. Moreover, their casement windows incorporate the TrueCrankless technology, allowing them to open up to 180 degrees for easy cleaning and maintenance.

Their front door catalogue includes steel and fiberglass doors built with an ASTM-approved system, eco-friendly and high-quality materials, and premium hardware for better security. Canadian Choice also offers a wide range of patio doors, including tilt-and-turn patio doors and stacking patio doors.

Best suited to: homeowners looking for a broad range of window, patio door, and front door styles

4. WindowTech Windows & Doors

WindowTech Windows & Doors homepage
WindowTech Windows & Doors homepage

WindowTech provides Markham homeowners with casement, awning, slider, hung, fixed, bay, and bow windows, as well as front doors and patio doors.

The company emphasizes vinyl construction, multi-chamber profiles, 100% lead-free uPVC frames, low-E coatings (which reflect heat in summer and retain warmth in winter), multi-pane glazing, and ENERGY STAR-certified products, which may qualify for federal and provincial rebates. Its patio door range includes two-, three-, and four-panel configurations.

WindowTech also offers storm doors, as well as steel, aluminum, and fiberglass front doors. Last but not least, the company provides safety and security film services.

Best suited to: homeowners looking for full window and door replacement services, including security film application and aluminum front doors, which are not very common in the region

5. Eco Choice Windows & Doors

Eco Choice Windows & Doors homepage
Eco Choice Windows & Doors homepage

Eco Choice has more than 23 years of local expertise and focuses strongly on premium, energy-efficient windows and doors that can help reduce energy costs.

Their entry door product line features a wood-edge construction for superior dimensional stability, as well as a rot-resistant bottom rail. The company also offers tilt-and-turn door systems with advanced soundproofing technologies that provide noise reduction levels up to 45 dB.

Eco Choice's window product line includes vinyl and aluminum windows built to withstand Canada's harsh climate.

Best suited to: homeowners placing a strong emphasis on energy performance and those looking for aluminum windows, a standout offering in the Southern Ontario market

6. Comfort Windows & Doors

Comfort Windows & Doors homepage
Comfort Windows & Doors homepage

Comfort Windows & Doors has been in business for 30 years. Its Markham offering includes casement, awning, single- and double-hung, slider, picture, bay, bow, and tilt-and-turn windows.

Their windows feature heavy-duty handles that withstand daily use, multi-point locking systems, self-lubricating hinges, overlapping spring-loaded screens, and safety film. Moreover, Comfort offers various window frame materials, including vinyl, fiberglass, and wood.

For doors, it offers steel and fiberglass entry doors, garden doors, and patio doors, along with storm doors. Comfort also offers other exterior services like porch enclosures.

Best suited to: homeowners looking for frame material versatility and a broad catalogue of services, including porch enclosure services

7. Arctic Vinyl Windows & Doors

Arctic Vinyl Windows & Doors homepage
Arctic Vinyl Windows & Doors homepage

Arctic Vinyl has 30 years of experience in the GTA and offers custom-built replacement windows and doors.

Its window catalogue includes casement, awning, slider, and hung styles, while its door range includes steel and fiberglass entry doors and sliding patio doors. Their patio doors have a low-maintenance anodized aluminum sill construction that resists moisture, corrosion, and everyday wear for decades. Arctic Vinyl highlights ENERGY STAR certification, low-E glass, triple-pane options, and a lifetime warranty.

Arctic Vinyl also offers property management services, including detailed window inspections, as well as service and maintenance solutions. They work with property managers and sometimes also coordinate directly with homeowners and tenants.

Best suited to: homeowners who want custom windows and doors, plus property management services

8. Luma Doors + Windows

Luma Doors + Windows homepage
Luma Doors + Windows homepage

Luma's primary focus is vinyl windows, entry doors, patio doors, and garage doors.

For windows, Luma highlights multiple window styles, from casement to bay configurations, and emphasizes custom options. Their casement windows are unique because the sash opens up to a 93-degree angle for easy cleaning and an exclusive Quad-Seal System for superior insulation.

For doors, it offers customized entry doors and patio doors intended to improve access, natural light, and curb appeal. Luma also offers mini-blinds incorporated between the glass for their patio doors, which is a standout feature in the Markham market.

Best suited to: homeowners looking for a broad range of window and door solutions, including casement windows built for easy cleaning and patio doors with built-in blinds

9. Fortress Windows & Doors

Fortress Windows & Doors homepage
Fortress Windows & Doors homepage

Fortress has more than 37 years of experience and offers replacement windows, entry doors, and other exterior renovation services. Its window offering includes vinyl, bay, bow, and basement windows, while its door installation services include steel and fiberglass entry doors.

An additional advantage is the ability to coordinate multiple exterior projects. If you want to replace windows while also hiring a team for siding, gutter replacement, and eavestrough work, you may prefer a broader exterior renovation company like Fortress rather than one offering only window and door installations.

Best suited to: homeowners combining window and door replacement with other exterior renovation work

10. Ambia Windows & Doors Inc.

Ambia Windows & Doors Inc. homepage
Ambia Windows & Doors Inc. homepage

Ambia stands out because of its emphasis on custom and specialty work. It serves Markham, Richmond Hill, Vaughan, the North York region, and other GTA communities.

Its door selection includes fiberglass front doors, wood entrance doors, wood-aluminum entrance doors, garden doors, sliding patio doors, and both vinyl and wood/aluminum-clad doors.

Their window product line includes vinyl windows and aluminum-vinyl windows, plus Maxxmar window coverings.

This company has one of the most expansive material choices of all window and door companies described in this article, particularly for front doors and patio doors.

Best suited to: homeowners looking for a wide material range

11. Torwin Windows & Doors

Torwin Windows & Doors homepage
Torwin Windows & Doors homepage

Torwin has a showroom at 2651 John Street in Markham and has been serving local communities for more than 38 years.

Its Markham services include casement and awning windows, and a broad range of entry doors, sliding glass doors, French doors, and garage doors. Torwin also highlights exceptional craftsmanship, dedicated project managers, certified installers, and enhanced security features like multi-point locks and reinforced frames.

This can be particularly useful when a home renovation project goes beyond a straightforward door and window replacement. For example, if you're planning a larger patio opening or a more complicated trim or carpentry detail, you may benefit from working with a company with dedicated carpentry capabilities.

Best suited to: homeowners interested in custom work, and those who also want to install garage doors

12. Panorama Windows & Doors

Panorama Windows & Doors homepage
Panorama Windows & Doors homepage

Panorama has been servicing Markham and surrounding communities for more than 20 years. Its product range includes awning, casement, single- and double-hung windows, sliders, and picture windows. All come with a vinyl window frame material and can be customized with double- or triple-pane glass. The company's products also have tilt-in sashes for easy cleaning.

Its door selection is similarly broad, covering patio doors, fiberglass doors, French doors, steel doors, garden doors, and storm doors.

This broad catalogue can make Panorama worth considering for homeowners who want to coordinate several products in one project.

Best suited to: homeowners who value product variety when looking for new windows and doors and want a company with a physical Markham location

How to Choose a Markham Window and Door Company

Choose a window and door company in Markham based on your priorities, including energy efficiency, window and door materials, product selection, customization, installation, warranty coverage, and window price. Compare companies based on the specific products they offer and the installation services included in their quotes, rather than choosing based on brand name alone.

Start with the Problem, not the Product

Before looking at window styles or door colours, ask what you want the project to accomplish.

Are your old windows drafty? Are rooms uncomfortable in winter? Are your energy costs rising? Is condensation appearing between panes? Do you want more natural light? Are you trying to improve curb appeal? Is a patio opening difficult to operate?

The answer will determine which products are better for your project.

For example, replacing a drafty casement window with another casement may be perfectly fine.  If ventilation isn't important but the goal is maximizing natural light and energy efficiency, you can replace a casement window with a picture window.

Compare Window Styles Carefully

Different window styles have different strengths. Casement windows are side-hinged and open outward. They can provide strong ventilation and, when properly designed and installed, excellent airtightness.

Double-hung windows open vertically and can be useful where exterior space is limited or when homeowners prefer traditional operation.

Picture windows are fixed and designed primarily for views and daylight. They can also complement operating windows in larger combinations.

Bay and bow windows project outward from the wall, creating additional visual depth and potentially expanding the perceived living space.

Don't Judge Energy Efficiency by Pane Count Alone

For example, triple-pane windows can improve energy efficiency by up to 25%, but "triple-pane" by itself doesn't tell you everything you need to know.

Ask for the actual performance information for the product being quoted. Important considerations include U-factor, solar heat gain characteristics, air leakage, frame construction, glass coatings, and spacer technology.

In other words, two energy-efficient windows may perform differently even if both are marketed as high-performance products, and this can affect how much energy savings they can yield.

Assess the Frame and Hardware, Not Only the Glass

Frame construction and hardware can have a major effect on durability, insulation, appearance, and structural integrity.

Vinyl windows are popular because they're generally low maintenance, but there are also reinforced and composite systems designed to increase strength.

For example, Magic's Hybrid Fusion Frame combines a structural metal framework with a vinyl exterior, while several other companies offer reinforced profiles or multi-chamber vinyl construction.

No frame material is best for every home. What matters is whether the frame, glass, and hardware are suitable for the opening and the performance you're trying to achieve.

What Should You Look for When Comparing Doors?

Doors deserve just as much attention as windows. The front door affects security, insulation, and your home's curb appeal. Patio doors, on the other hand, affect energy performance, access to outdoor areas, and natural light.

When comparing entry doors, consider the core material, frame, weatherstripping, glass, threshold, hardware, and locking system.

Fiberglass entry doors can be attractive because they offer a combination of durability, appearance, and relatively low maintenance. Steel is another popular choice when security and durability are major priorities.

For additional security, ask about multi-point locking systems. These lock the door at multiple points for better security.

For patio doors, look closely at the track, rollers, locking mechanism, weatherstripping, and frame.

Why Does Installation Matter So Much?

Even the best windows and doors can underperform if they aren't properly installed.

Installation affects air leakage, water management, insulation, drainage, and operation. This is why it’s recommended to evaluate window and door installations separately from the product itself.

Window installation includes retrofit and full-frame projects, with full-frame installations being more complex and expensive.

Therefore, during the free consultation, ask each company:

  • Is the work completed by employees, subcontractors, or a combination?
  • What does the installation include?
  • What is the offered warranty, and does it cover defects in both materials and workmanship?
  • Is the installation crew familiar with Markham's Building Code requirements? This knowledge is necessary in case of significant changes to window openings and egress window installations.

Ask about removal of old windows, disposal, insulation, exterior sealing, interior finishing, and cleanup. Ask how long installation takes, and if you're ordering custom windows, how long it takes to have them manufactured and installed. For example, most custom orders have a lead time of 3-4 weeks, but if you're ordering multiple custom windows, you might have to wait longer.

FAQs

How much does window and door replacement cost in Markham?

Window and door replacement costs in Markham vary widely depending on the number, size, and type of products, frame material, glazing, customization, and installation method. Full-frame replacements are more expensive than retrofitting. Equally, triple-pane glass is significantly more expensive than double-pane glazing. The frame material for windows and doors, such as wood, aluminum, or PVC, also influences the final price. Last but not least, custom window designs, which fit unique architectural needs, also increase the final price.

What is the best window material for a home in Markham?

Vinyl is one of the most popular window materials for homes in Markham because it offers energy efficiency, durability, low maintenance, and affordability. However, fiberglass, wood, and aluminum can also be appropriate depending on your home's design, budget, and performance requirements. Before choosing, compare the frame's insulation, durability, maintenance requirements, and compatibility with the window's glass and hardware.

What type of window is best for energy efficiency?

Casement windows are considered a good choice for energy efficiency because their sash closes tightly against the frame. However, the window's overall performance depends on more than its operating style. Look at the whole-window U-factor, air leakage rating, glass coatings, number of panes, frame construction, and installation quality when comparing energy-efficient windows.

How long does window replacement take in Markham?

A typical window replacement project can take anywhere from a few hours to several days, depending on the number of windows, installation method, and complexity of the project. A single straightforward replacement may be completed quickly, while replacing many windows or making structural changes to openings can take considerably longer.

Is it better to replace windows all at once or one at a time?

Replacing windows all at once can be more efficient and may provide a more consistent appearance and performance. Replacing them one at a time is likely better if you're on a budget. If your windows are failing at different rates, prioritize those with significant drafts, damaged frames, broken seals, or other performance problems.

What should I ask a window company before signing a contract?

Before signing a window replacement contract, ask about the products, installation, warranty, total cost, and project timeline. In particular, ask who will perform the installation, what the installation includes, and what is covered by the product and workmanship warranties. You should also confirm whether the quote includes removal and disposal of old windows, insulation, exterior sealing, interior finishing, and cleanup, and ask for the expected manufacturing and installation dates.

Are triple-pane windows worth it in Markham?

Triple-pane windows are worth considering in Markham if your priority is improving insulation and reducing heat transfer. They generally cost more than double-pane windows, so the value depends on the window's overall performance, your home's heating needs, and how long you plan to stay in the property.

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