OPT Windows Ltd

OPT Windows Ltd Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from OPT Windows Ltd, Home window service, 103 Denison Street, Markham, ON.

Premium Thermally-broken Aluminum Windows & Doors, Security Doors & Porch Enclosures. πŸ‡¨πŸ‡¦ Made in Toronto
πŸ’° Cost-Effective | πŸ”§ Professional Installation | Serving Toronto & GTA.

05/15/2026

Full Home Window & Door Upgrade in Mississauga 🏑✨

From awning windows to lift & slide doors and security steel doors β€” every detail was designed for better comfort, security, and everyday living.

πŸͺŸ Awning Windows
Ventilation + rain protection without taking up extra space.

🌿 Casement Windows + Sliding Screens
Bright natural light, great airflow, and fine mesh screens to keep bugs out while keeping the view clear.

πŸšͺ Lift & Slide Doors
Smooth, effortless operation with a secure automatic locking system.

πŸ›‘οΈ Security Steel Door
Built for durability, security, and peace of mind.

A well-designed window & door system doesn’t just change the look of a home β€” it changes the way you live in it.

Thank you to our Mississauga homeowner for trusting OPT Windows ❀️

Save this for your renovation inspiration ✨
πŸ“ž FREE Quote Today : +1 (365) 899-0345
πŸ“ 103 Denison St, Unit 2, Markham, ON L3R 1B5
πŸ“§ [email protected]

ModernHome CanadianHomes HomeUpgrade DoorAndWindow OPTWindows

πŸ‡¨πŸ‡¦ A Porch Enclosure Does More Than Block Wind β€” It Completely Upgrades Your EntrywayOne of the biggest things homeowner...
05/14/2026

πŸ‡¨πŸ‡¦ A Porch Enclosure Does More Than Block Wind β€” It Completely Upgrades Your Entryway

One of the biggest things homeowners notice after installation?
β€œIt makes the front entrance look so much more premium.”

βœ… Better curb appeal
βœ… Extra functional space
βœ… More comfort & value

πŸ“Έ These pictures are our recent porch enclosure projects in the GTA, featuring a modern black thermally broken aluminum frame that perfectly matches the home exterior.

βœ” Custom sizing | βœ” Professional installation
βœ” Factory direct pricing | βœ” Serving the GTA

Looking to upgrade your entrance space?
πŸ“© Message us today for a FREE quote!
πŸ“ž +1 (365) 899-0345
πŸ“ Toronto, ON

πŸ”’ Upgrade Your Home Security with OPT WindowsA secure home starts with the right door.This backyard Security Door instal...
05/13/2026

πŸ”’ Upgrade Your Home Security with OPT Windows

A secure home starts with the right door.
This backyard Security Door installation features a premium aluminum frame with durable stainless steel mesh β€” designed for strength, airflow, and modern style.

⭐️⭐️⭐️⭐️⭐️
β€œCraig and his team were very helpful and professional β€” highly recommended!”
β€” Kristy Leung

Why homeowners choose OPT Windows:
βœ” Premium Security Doors
βœ” Thermally-broken Aluminum Window & Door Systems
βœ” Modern Designs Built for Canadian Weather
βœ” Professional Installation & Reliable Service

πŸ‡¨πŸ‡¦ Proudly serving the GTA

πŸ“ 103 Denison St, Unit 2, Markham, ON L3R 1B5
πŸ“ž +1 (365) 899-0345
πŸ“§ [email protected]

πŸ‡¨πŸ‡¦ Thinking security mesh doors are expensive?One of our recent customers thought the same β€” until they got the quote.Af...
05/13/2026

πŸ‡¨πŸ‡¦ Thinking security mesh doors are expensive?
One of our recent customers thought the same β€” until they got the quote.

After upgrading all the doors in their home, they were surprised by how affordable it was.

βœ… Custom-made sizing
βœ… 304 stainless steel mesh
βœ… Multi-point locking system
βœ… Professional installation

With more break-ins happening across the GTA, many homeowners are upgrading their entry doors for added security and peace of mind.

πŸ‡¨πŸ‡¦ OPT WINDOWS LTD. β€” Toronto Local Manufacturer
πŸ“© Message us today for a FREE quote!
πŸ“ž +1 (365) 899-0345
πŸ“ Toronto, ON

πŸ‡¨πŸ‡¦ Break-ins across the GTA are rising β€” protect your home before it happens. πŸ”’Standard doors can be broken in within se...
05/12/2026

πŸ‡¨πŸ‡¦ Break-ins across the GTA are rising β€” protect your home before it happens. πŸ”’

Standard doors can be broken in within seconds. That’s why more Toronto homeowners are upgrading to Security Mesh Doors.

βœ” Heavy-duty 304 stainless steel mesh
βœ” Multi-point locking system
βœ” Fresh airflow + added security
βœ” Modern design for any home

🏑 Perfect for detached homes, semis & townhouses across the GTA.

πŸ‡¨πŸ‡¦ OPT WINDOWS LTD. β€” Toronto Local Manufacturer

πŸ“© Message us today for a FREE quote!
πŸ“ž +1 (365) 899-0345
πŸ“ Markham, ON

πŸ‡¨πŸ‡¦ Break-ins in Toronto are rising β€” protect your home before it happens.Every week, more GTA homeowners are reporting f...
05/12/2026

πŸ‡¨πŸ‡¦ Break-ins in Toronto are rising β€” protect your home before it happens.

Every week, more GTA homeowners are reporting forced entries, kicked-in doors, and smashed glass doors. Standard wood or basic glass doors can be breached in seconds.

That’s why more homeowners are upgrading to Security Mesh Doors. πŸ”’

Our NEW 2026 upgraded model features a reinforced anti-theft structure designed for stronger protection and everyday peace of mind.

πŸ’‘ Why are more Toronto homeowners choosing Security Mesh Doors?

πŸ”’ Heavy-Duty Security Protection
Made with high-strength 304 stainless steel mesh that’s resistant to cutting, prying, and impact. Built to help deter break-ins.

🌬 Fresh Air Without Sacrificing Security
Keep airflow in while helping keep intruders, bugs, and small animals out.

πŸ›‘ Multi-Point Locking System
Enhanced pry resistance with multiple locking points for a tighter, more secure fit to the frame. Strong, durable, and built for daily use.

🏑 Modern Look That Fits Any Home
Clean and stylish design that works with modern, classic, and custom home styles.

🚨 Home security upgrades can’t wait.
A Security Mesh Door is one of the smartest upgrades for your home’s safety and curb appeal.

πŸ“Perfect for detached homes, semi-detached homes, and townhouses across the GTA.

πŸ‡¨πŸ‡¦ OPT WINDOWS LTD. β€” Toronto Local Manufacturer
βœ” Professional Measurement
βœ” Custom-Made Solutions
βœ” Professional Installation
βœ” Direct Factory Warranty & Support

πŸ“© Message us today for a FREE quote!
πŸ“ž +1 (365) 899-0345
πŸ“ 103 Denison St, Unit 2, Markham, ON L3R 1B5
πŸ“§ [email protected]

05/11/2026

πŸ‡¨πŸ‡¦ Upgrade Your Home Security + Curb Appeal in One Shot πŸ”₯

Why are more GTA homeowners choosing a Storm Door + Security Screen Door combo?

πŸšͺ Front Entrance Storm Door
βœ” Extra layer of protection for your home
βœ” Helps block cold drafts in winter & heat in summer
βœ” Creates a cleaner, more premium entryway look
βœ” Adds value, comfort, and functionality

πŸ”’ Security Screen Door (Side / Back Door)
βœ” Heavy-duty stainless steel mesh for enhanced security
βœ” Strong, durable, and difficult to damage
βœ” Modern design without blocking natural light
βœ” Perfect for side doors, basement entrances & back doors

✨ After installation, the homeowner told us:
β€œThe house instantly feels more upscale β€” and we finally feel safer at night.”

πŸ“Project Features
β–« White aluminum frame
β–« High-strength security mesh
β–« Available for swing doors & sliding doors
β–« Custom measured & professionally installed

Thinking about upgrading your home’s security and appearance this year?
πŸ“© DM us for pricing & free consultation.

OPT Windows Ltd.
πŸ‡¨πŸ‡¦ Locally made in Toronto
🏠 Custom windows, doors & porch enclosure solutions
πŸ”§ Measurement β€’ Manufacturing β€’ Installation

🏑 Upgrade Your Home with OPT Windows πŸ‡¨πŸ‡¦Products:πŸ”² Thermally-broken Aluminum Windows & DoorsπŸ›‘οΈ Security Doors🏑 Porch Encl...
05/11/2026

🏑 Upgrade Your Home with OPT Windows πŸ‡¨πŸ‡¦

Products:
πŸ”² Thermally-broken Aluminum Windows & Doors
πŸ›‘οΈ Security Doors
🏑 Porch Enclosures

πŸ‡¨πŸ‡¦ Made in Toronto | πŸ’¬ English & δΈ­ζ–‡ζœε‹™

Built for Canadian weather, security, and modern living.

πŸ“ž FREE Quote Today : +1 (365) 899-0345
πŸ“ 103 Denison St, Unit 2, Markham, ON L3R 1B5
πŸ“§ [email protected]



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πŸ‡¨πŸ‡¦ ε€šε€«ε€šζœ¬εœ°η”Ÿη”’
πŸ“ž ζ­‘θΏŽι η΄„ε…θ²»ε ±εƒΉοΌš+1 (365) 899-0345

OPT WindowsπŸ“ Proudly Serving the Greater Toronto Area πŸ‡¨πŸ‡¦English & δΈ­ζ–‡ζœε‹™ AvailableFrom Toronto, Markham, Richmond Hill, Va...
05/07/2026

OPT WindowsπŸ“ Proudly Serving the Greater Toronto Area πŸ‡¨πŸ‡¦
English & δΈ­ζ–‡ζœε‹™ Available

From Toronto, Markham, Richmond Hill, Vaughan, Mississauga, Oakville, Ajax, Pickering, Aurora, Newmarket, Burlington & beyond β€” OPT Windows is committed to delivering premium window, door, and exterior solutions across the GTA.

Our specialties include:
βœ” Thermally-broken Aluminum Windows & Doors
βœ” Security Doors
βœ” Porch Enclosures & Sunrooms
βœ” Custom Exterior Upgrades

Built for Canadian homes with:
❄️ Energy Efficiency
πŸ”’ Enhanced Security
πŸ’¨ Weather Resistance
✨ Modern Premium Design

Whether you’re upgrading one window or transforming your entire exterior, our team is ready to help.

πŸ“ž FREE Quote Today
+1 (365) 899-0345
πŸ“ 103 Denison St, Unit 2, Markham, ON L3R 1B5
πŸ“§ [email protected]

#δΈ­ζ–‡ζœε‹™

🏑 Upgrade More Than Just Windows β€” Upgrade Your Entire HomeAt OPT Windows, we don’t just install windows β€”we deliver com...
05/06/2026

🏑 Upgrade More Than Just Windows β€” Upgrade Your Entire Home

At OPT Windows, we don’t just install windows β€”
we deliver complete home exterior solutions designed for Canadian living.

βœ” Thermally-broken aluminum windows & doors
βœ” Security doors & reinforced screen systems
βœ” Energy-efficient sunrooms & porch enclosures
βœ” Custom-shaped architectural windows

Engineered by Ontario-licensed professionals and CSA-certified, every product is built for:
β€’ Extreme weather resistance
β€’ Energy efficiency
β€’ Security & long-term durability
β€’ Modern, clean aesthetics

From design β†’ manufacturing β†’ installation, everything is handled by our in-house team β€” ensuring quality at every step.

πŸ“ Proudly Made in Ontario
πŸ“ž Call or text: +1 (365) 899-0345
πŸ“§ Email: [email protected]

πŸ‘‰ Book your FREE home assessment today

Address

103 Denison Street
Markham, ON
L3R1B5

Opening Hours

Monday 9am - 7pm
Tuesday 9am - 7pm
Wednesday 9am - 7pm
Thursday 9am - 7pm
Friday 9am - 7pm
Saturday 9am - 7pm

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