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Trusted Windows & Doors Installation in Hamilton, ON
For over three decades, Everlast Windows and Doors has specialized in delivering high-quality windows and doors that combine aesthetic appeal with durability. Our family-owned business serves both residential and commercial clients, focusing on custom solutions tailored to individual needs. We prioritize precision installation, ensuring every project meets exacting standards of quality and integrity. Our product lines include Energy Star Qualified windows and doors from trusted brands like North Star and Avanti Custom Doors, all sourced locally in Ontario. With a dedicated team of certified installers, we handle every aspect of the process in-house, from initial consultation to final installation.

Our commitment to excellence is reflected in our industry-leading warranties and a 10-year installation guarantee. We pride ourselves on transparent communication, timely project completion, and exceptional customer service. Our expertise in energy-efficient solutions helps homeowners reduce utility costs while enhancing property value. Serving communities between St. Catharines and Oakville, we remain one of the few companies that do not subcontract installations. Our reputation for reliability and craftsmanship has been built through consistent delivery of superior products and personalized service.
Services
Window Installation Door Installation Custom Windows Energy-Efficient Solutions Window Repair Door Repair Garage Doors Window Replacement Door Replacement Window Maintenance
Highlights and features
  • We offer 30+ years of experience in custom window and door installations.
  • Our products are Energy Star Qualified for superior energy efficiency.
  • We provide a 10-year installation warranty for added peace of mind.
  • Our team handles every project in-house from consultation to completion.
  • We guarantee precise measurements and professional installation for every job.
What people say
Great job Responsive, reliable Professional team Excellent customer service First-class workmanship
Services
Window Installation
We install custom-made, Energy Star Qualified windows tailored to your home's specifications. Our process includes precise measurements, professional installation from rough stud opening, and finishing with quality trim and capping. Customers benefit from improved energy efficiency, reduced utility costs, and enhanced property aesthetics.
Door Installation
Our door installations feature durable options in steel, fiberglass, or woodgrain fiberglass. We ensure proper squaring, plumbing, and insulation during installation, with customization available for style, color, and aesthetic preferences. This service enhances home security, curb appeal, and thermal performance.
Custom Windows
We create windows in specific sizes and shapes to match your architectural requirements. Available in various styles including awning, bay, and bow windows, our custom solutions combine functionality with personalized design elements to complement any property type.
Energy-Efficient Solutions
Our energy-efficient windows and doors meet strict Energy Star standards for thermal performance. These products help reduce heat loss in winter and heat gain in summer, qualifying homeowners for Ontario government rebates up to $10,000 through improved insulation properties.
Window Replacement
We replace old or damaged windows with modern, high-performance alternatives. The process includes complete removal of existing units, proper insulation, and installation of new windows that improve operational ease and energy conservation for long-term savings.
Questions
What types of windows and doors do you offer?
We use North Star and DEL windows, and Avanti Custom Doors sourced locally in Ontario.
How energy-efficient are your windows and doors?
All our windows are Energy Star Qualified for maximum energy efficiency and durability.
Do you offer warranties on your products?
We provide industry-leading warranties plus a 10-year installation guarantee.
Can you customize windows and doors to specific sizes?
All our products are custom-made to fit your home's exact requirements.
What is your service area for installations?
We serve between St. Catharines and Oakville, including Hamilton and surrounding communities.
How long does installation typically take?
Typical installations range from 5-8 windows per day with doors taking 2-4 hours.
Reviews (2)
Sarah Clarke
Oct 19, 2018 Report
Fantastic work all the way around. The sales person was great and answered all of our questions. Customer Service was excellent. Contractors were great and able to come at a convenient time for us. They also left everything neat and tidy. All time lines were met and the window looks great! We will definitely be using them for our future needs. Thank You!
Rahul Aggarwal
Nov 21, 2016 Report
We've had two doors installed by Everlast here in Grimsby and a third one is in the works. Great company! Very reliable, friendly, and professional! Not to mention the awesome quality of the products they offer. No complaints!