- 905-512-2398
- 1 Hunter Street East, Ground Floor, Hamilton, ON
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Canadian-made, energy-efficient windows & doors. Professional installation. Realistic timelines. Local accountability.
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
NTI WINDOWS & DOORS
PROUDLY CANADIAN OPERATED & OWNED
Between high-pressure sales tactics, vague pricing, confusing rebate talk, bad installation stories, and companies that disappear when homeowners need answers, it is no wonder people feel overwhelmed.
You deserve better than that.
NTI Windows & Doors helps homeowners across Southern Ontario with their windows and doors with clear guidance, honest recommendations, and professional installation.
We focus on Canadian-made, ENERGY STAR certified windows and custom door systems built for Southern Ontario’s climate. Every project is handled with realistic timelines, proper product selection, careful installation, and direct accountability from a local team that takes the details seriously.
Our process is straightforward. From your initial in-home consultation through custom ordering and professional installation, we keep you informed, explain the details clearly, and make sure you know what to expect at every stage.
We visit your home, review your windows and doors, discuss your goals, and walk you through the best options for your project. No guesswork. Just clear guidance from a team that knows what to look for.
Once the details are confirmed, your Canadian-made windows and doors are custom ordered for your home. We keep you informed on timelines, scheduling, and next steps so the process is clear from start to finish.
ENERGY STAR certified windows available in casement, awning, slider, hung, picture, bay/bow, tilt-and-turn, and custom configurations.
Custom entry doors and patio door systems designed for performance, security, style, and smooth operation.
Garage door supply and installation with a range of styles, insulation options, colours, and finishes to complement your home.
Happy Homeowner
From start to finish, the installation process was smooth. The technicians explained everything clearly, and the quality of work exceeded my expectations.
Happy Homeowner
The repair service was quick and hassle-free. The team was courteous, explained the issues in detail, and delivered excellent results that truly impressed me.
Happy Homeowner
The team was professional and efficient. My garage door was repaired quickly, and it’s working better than ever. Highly recommend their reliable service!
Happy Homeowner
From start to finish, the installation process was smooth. The technicians explained everything clearly, and the quality of work exceeded my expectations.
Happy Homeowner
The repair service was quick and hassle-free. The team was courteous, explained the issues in detail, and delivered excellent results that truly impressed me.
Happy Homeowner
Great window company! Nidal is very knowledgeable about products and installation. Would recommend this company to anyone in the GTA.
Happy Homeowner
Nadal and team did a great job installing 3 windows on our home. Excellent customer service.
Happy Homeowner
Government and utility rebate programs can change over time. When an active rebate period is available, NTI can help homeowners understand the basic requirements and what may apply to their window and door project.
Homeowners should feel informed before replacing their windows and doors. NTI helps explain product options, installation methods, timelines, pricing factors, warranties, and service areas clearly so homeowners can make a confident decision.
Request a free in-home consultation with NTI Windows & Doors and get clear guidance, professional recommendations, realistic timelines, and a proper quote for your home.
From full-frame and retrofit window replacement to entry and patio door installation, NTI focuses on proper preparation, precise installation, careful finishing, and respect for your home.
Canadian-made products. Experienced installers. Clear communication. Backed by NTI’s 25-year warranty.
The team was professional and efficient. My garage door was repaired quickly, and it’s working better than ever. Highly recommend their reliable service!