Welcome to Optima Windows and Doors, Markham's trusted provider of premium replacement windows and entry doors. As Canada's tech hub grows, homeowners in Unionville, Cornell, and Cachet are discovering the superior quality of our German-engineered systems.
Why Markham Homeowners Choose Optima
Markham has evolved into one of Canada's most prosperous cities. From the heritage charm of Unionville's Main Street to the modern developments in Wismer Commons, homeowners demand quality. Our products are manufactured locally using authentic German engineering and come with a comprehensive 25-Year Warranty.
Serving All Markham Neighborhoods
We proudly serve homeowners throughout Markham's diverse communities with solutions tailored to local architectural styles.
Unionville
Historic charm meets efficiency. We preserve heritage character with casement windows.
Thornhill
Popular upgrades include hung windows and modern fixed windows for maximum natural light.
Markville
Prioritizing noise reduction for busy streets and secure patio doors.
Cornell
Modern homes benefit from our latest awning windows and sleek designs.
Berczy Village
Featuring safe egress windows for basement bedrooms and durable entry doors.
Wismer Commons
Residents choose our high-performance windows for superior sound insulation.
Angus Glen
Premium vinyl window systems enhance curb appeal for luxury homes.
Cachet
Contemporary window profiles and patio door systems that align with minimalist design.
Greensborough
Classic slider windows maintain character with modern performance.
Comprehensive Window Solutions
Every home in Markham has unique requirements. Our extensive product line ensures the perfect solution.
Casement Windows
German-engineered casement windows offer maximum ventilation and exceptional energy efficiency. Ideal for bedrooms and living areas.
Hung Windows
Classic versatility. Hung windows allow both top and bottom sash operation for superior ventilation control.
Fixed Windows
Maximize natural light with fixed windows. These provide the strongest thermal performance for feature walls.
Vinyl Windows
Add architectural interest and lasting durability with our premium vinyl windows. A popular choice for adding property value.
Premium Entry & Patio Doors
Your front door is your home's first impression. Our fiberglass entry doors are built to withstand Canadian weather without warping or cracking.
- Authentic wood grain textures
- Multi-point security locking
- Heavy-duty weatherstripping
- Energy efficient core
We also offer sliding and French patio doors that connect your indoor and outdoor living spaces seamlessly.
German Engineering Advantage
Superior Materials: Virgin PVC compounds with titanium dioxide for color stability.
Advanced Glass: ENERGY STAR certified Low-E glass with argon gas reduces UV by 95%.
Precision: Manufacturing tolerances within 1/32 inch for perfectly square, tight-sealing frames.
Energy Efficiency for Markham Homes
Ontario homeowners face high utility costs due to temperature extremes. Old windows can account for 30% of energy loss. Our ENERGY STAR certified windows use advanced coatings to reflect heat back inside during winter.
Fact: A typical Markham home with 15 windows can save $500-800 annually on energy costs after upgrading to our high-performance systems.
Common Problems We Solve
- Drafts: Eliminated by triple-weatherstripping and welded corners.
- Condensation: Reduced by warm-edge spacer technology.
- Noise: Traffic noise reduced by up to 50% with laminated glass options.
The Installation Process
Free Consultation
Our specialist visits your home to measure and provide a detailed, no-pressure quote.
Custom Manufacturing
Your windows are built to exact specifications locally. We never use stock sizes.
Professional Installation
Certified installers complete most projects in one day, including foam insulation and cleanup.
25-Year Warranty Support
Enjoy peace of mind with our comprehensive 25-Year Warranty on materials, glass seals, and workmanship.
Service Area
Optima Windows and Doors proudly serves all of Markham and surrounding communities including Unionville, Thornhill, Markville, Cornell, Berczy Village, Wismer Commons, Angus Glen, Cachet, Greensborough, Buttonville, Milliken, and Rouge River Estates. We also serve the GTA including Mississauga, Brampton, and Oakville.
