Window & Door Replacement in Hamilton & Surrounding Areas

Upgrade your home with Petra’s professional window and door replacement services. Energy-efficient, stylish, and backed by a 25-year warranty. Serving Hamilton, Oakville, Burlington, Mississauga, Milton, Caledonia, St. Catharines, Grimsby, Brant, Brantford, and Ancaster.

Act Now! This Month Only: 25% Off All Exterior Renovations

Windows and doors are more than just functional, they define your home’s curb appeal, security, and energy efficiency. Petra installs and replaces high-performance windows and doors that cut energy bills, reduce drafts, and add long-lasting value to your property.

Why Choose Us?

🏆 Experienced Renovation Experts: Family-owned, licensed, and trusted by homeowners across Southern Ontario.

🔨 Premium Brands: We use top-quality, energy-efficient windows and doors from trusted manufacturers.

💼 25-Year Warranty: Every installation is protected for decades.

📞 Fast Turnaround: Most projects are completed in under 2 weeks, with spotless cleanup.

How It Works

Free Consultation — Book a free in-home assessment for your windows and doors.
Detailed Estimate — We recommend the best energy-efficient options to fit your style and budget.
Professional Installation — Our experts replace your windows and doors with precision and care.
Final Walkthrough & Warranty — You approve the work, and your 25-year warranty begins.

From Repairs to Installations

1

Schedule Your Free Window & Door Estimate Today

Save 25% this month only. Call Petra now and enjoy energy savings, comfort, and curb appeal.

2

Get a Customized Quote

Based on our inspection, we’ll provide a detailed.

3

Professional Service Execution

Our skilled team gets to work, using top-quality materials.

4

Final Walkthrough & Warranty

We ensure your satisfaction with a final walkthrough and 25 years Warranty.

Trusted By Families Like Yours

    
 
 
      Trustindex verifies that the original source of the review is Google. Very good 👍
  
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   irfan hanif 
 
 
 
 
     Trustindex verifies that the original source of the review is Google. Great service! Very quick to respond And to execute the job using the best quality materials. AND their price was great too… Not a lot of companies would take on a small job of only 30ft of eavestrough replacement, so I really appreciate them taking the time to help me out ! Would highly recommend them
  
  Posted on Google  
 
    
   Holly Smith 
 
 
 
 
     Trustindex verifies that the original source of the review is Google. The quote, timeliness, politeness of workers, knowledge and skill of workers and the job completed, cleanliness, overall quality, warranty were all outstanding. Would recommend this company and in particular the installers at my home in an instant Thankyou for a fabulous job Mark Hommersen
  
  Posted on Google  
 
    
   Mark Hommersen 
 
 
 
 
     Trustindex verifies that the original source of the review is Google. i love petra Eavestrough and siding
  
  Posted on Google  
 
    
   uroosa sajjad 
 
 
 
 
     Trustindex verifies that the original source of the review is Google. I highly recommend etra Eavestrough and Siding to anyone looking for reliable, top-tier exterior work in the Hamilton area
  
  Posted on Google  
 
    
   Amir Roy

Help Center: Roofing Edition

How do I know if my windows or doors need replacement?

Signs include drafts, condensation between panes, difficulty opening/closing, or rising energy bills.

Do you install energy-efficient windows?

Yes, we specialize in ENERGY STAR®-rated windows and insulated doors.

What areas do you serve?

Hamilton, Oakville, Burlington, Mississauga, Milton, Caledonia, St. Catharines, Grimsby, Brant, Brantford, Ancaster.

How long does installation take?

Most window and door projects are completed in under 2 weeks.

Do you offer warranties?

Yes, all window and door replacements are backed by a 25-year warranty.

Upgrade Your Home with New Windows & Doors

Don’t wait to lower your energy bills and boost curb appeal. Book your free estimate today and save 25% on window and door replacement — offer ends this month.