Best Window Installers in Hamilton, ON

15 companies listed · 11 in Hamilton · 1 open 24/7 · 7 open weekends · 13 rated 4.5+

Data verified October 18, 2026

Golden Horseshoe Roofing

Golden Horseshoe Roofing

4.9 106 reviews
“Jason and his team were incredibly easy to work with and responded to all of our questions in a professional manner.”
Free estimatesInsured20+ yearsServes Hamilton, Burlington +3Family-ownedFinancing
449 Main St W Unit 1
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Arcana Windows & Doors

Arcana Windows & Doors

4.8 93 reviews
“From the point of consulting with Haim about the quote to the point of installation the process was very simple and smooth.”
Financing availableSince 1993Serves Dundas, Guelph +3Free consultation
35 Sunnyhurst Ave #3
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Award Windows Inc.

Award Windows Inc.

4.4 107 reviews
“The windows and doors the installed in our home are beautiful, pricing was competitive and customer service was great.”
Free estimatesLifetime warranty200,000 homeowners served60+ yearsServes Hamilton, Burlington +3Family-owned
70 Unsworth Dr Unit 10
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Everlast Windows and Doors

Everlast Windows and Doors

5.0 54 reviews
“The owner Peter Fantuzzo and his team Cliff, Cody, Jeff and Ron are simply wonderful, so friendly, helpful and knowledgable.”
Free consultation
1588 Stone Church Rd E
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Gerry's Roofing & Siding Inc

Gerry's Roofing & Siding Inc

4.7 120 reviews
“The team did a clean and professional job and Norm did such a great job laying out all the options when we were discussing the project.”
Free estimatesServes HamiltonFamily-ownedFinancing
49 Morley St
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C Windows Ltd.

C Windows Ltd.

5.0 34 reviews
“When I speak with experts, I can sense the gracious services and kind individuals there.”
Free estimatesSince 2017Serves Ontario
230 Pritchard Rd unit #3
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Listed for homeowners in and around Hamilton, ON, these 15 companies fit and repair windows. Frame materials, glazing options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.

Area overview: Hamilton, ON

11 of the 15 companies we list are based in Hamilton; the other 4 serve Hamilton from Burlington (9 km) and Dundas (6 km). The companies on this page are rated from 4.4 to 5.0 across 1,900 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "estimates". 1 is open around the clock; 7 are open on Saturdays and 3 on Sundays. 2 show a licence on their websites and 1 lists staff certifications (GAF). 4 have ten or more years of experience, the longest 15 years. 1 offers emergency call-outs; 2 offer financing or payment plans; 10 give free estimates and 2 are family- or locally-owned. We have a website on file for 14 of the companies on this page; 13 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.

Is the home visit and measurement free?

A no-cost quote is offered by 10 of the 15 companies on this page. It comes with a sales visit, so agree how long it will take before they arrive. Ask for the quote in writing on the day, itemized by window, and be wary of a discount that disappears the moment the visit ends.

Advantage Windows & Doors

Advantage Windows & Doors

4.8 24 reviews
“Carl followed up to ensure everything was to our standard and that we had no issues.”
Free estimatesSince 1991
246 Middletown Rd
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Rainbow Windows and Doors

Rainbow Windows and Doors

4.6 32 reviews
“He went out of his way to install our doors so that they had the highest aesthetic appeal, as opposed to the easiest installation.”
Since 2013
240 Nebo Rd Unit 2
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Lower City Joinery

Lower City Joinery

5.0 4 reviews
“They built brand new doors and transom and salvaged the original glass windows from the 1800's doors.”
Free consultationSince 2013
34 Biggar Ave
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Gateway Exteriors

Gateway Exteriors

4.5 6 reviews
“The sale, install, and clean up all exceeded expectations by far.”
Free consultationLicensed
19 Ferrara St
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MD Exteriors

MD Exteriors

5.0 2 reviews
“Their ability to understand architectural design elements and recommend products that enhance curb appeal is astounding.”
829 Woodward Ave #2
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Custom Contracting Roofing & Eavestrough Repair

Custom Contracting Roofing & Eavestrough Repair

4.4 73 reviews
“The CC Team finished our roof quickly over a couple days and left our yard tidy and free of debris.”
InsuredLifetime warrantyFree consultationLicensedOpen 24 hours
Burlington, ON · 9 km from Hamilton
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Eurostar Windows & Doors

Eurostar Windows & Doors

4.9 95 reviews
“Our window installation was done 3 years ago and we are very satsified.”
Free consultation10-yr warrantyResponds within 24 hours30+ yearsServes Toronto, Burlington +2
Burlington, ON · 9 km from Hamilton
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Silicone Seals Caulking Sealing & Pest Blocking

Silicone Seals Caulking Sealing & Pest Blocking

4.9 78 reviews
“Helped us with our window problems and would recommend them to anyone!”
Since 2019Serves Burlington, Oakville +7
Burlington, ON · 9 km from Hamilton
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Jensen Windows

Jensen Windows

5.0 53 reviews
“Communication was great and the install was easy to schedule and the team did a great job with both retrofit and brick to brick installs.”
Dundas, ON · 6 km from Hamilton
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HomeWindow InstallersOntarioHamilton, ON

Why these companies made our list

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