Premium Performance
Timeless Aesthetics
Ease of Operation
Custom Casement Windows
Manufacturer Direct Pricing
Professional Installation Services
Casement Windows by Omega Windows & Doors Manufacturing
Discover the perfect balance of style, functionality, and efficiency with vinyl casement windows from Omega Windows & Doors Manufacturing.
Designed to bring fresh air and natural light into your space while enhancing energy efficiency, our casement windows are the ideal choice for homeowners and businesses alike.
Built with durable virgin vinyl and multi-point locking systems, they also offer superior insulation and enhanced security.
If you’re exploring broader upgrade options, be sure to browse our complete window and door line to find products that complement your home’s design.

What Are Casement Windows?
Crafted from premium virgin vinyl (UPVC), these windows are known for their durability, energy efficiency, and low-maintenance appeal.
At OMEGA, we elevate the design with customization options to suit any style or space. You can even pair them with frameless fixed window styles for an unobstructed view or add functionality with top-vent awning models.
Built-In Key Features
OMEGA Casement Windows
High-Quality Materials
OMEGA‘s casement windows are built using only the finest materials, including durable virgin vinyl, reinforced frames, energy-efficient glass, advanced weather seals ensuring exceptional performance and longevity.
Vinyl Frames
Made with virgin vinyl for superior durability and resistance to warping, cracking, and fading.
Glass Options
Weatherproof Seals
Compression seals and silicone gaskets provide superior weather resistance, keeping drafts and moisture out.
Insulation Fill
Options like argon gas improve thermal insulation, reducing heat loss and helping maintain a consistent, comfortable indoor temperature.
Stylish Design Options
Styles
Available in both single casement or double casement configurations to fit your space.
Frame Colors
Choose from a palette of timeless neutrals, bold statement hues, rich finishes, or fully custom colors to match any decor.
Grid Patterns
Enhance aesthetics with classic Colonial, elegant diamond, stylish Prairie, or fully customizable grid designs.
Hardware
Functional Benefits
From smooth operation to built-in security, OMEGA’s vinyl casement windows are engineered for long-lasting ease of use—offering homeowners energy savings, low-maintenance performance, and reliable year-round comfort.
Energy Efficiency
Insulated glass and thermal breaks work in tandem for energy savings.
Durability
UV-resistant vinyl and reinforced seals ensure longevity.
Enhanced Security
Ease of Use
Crank handles and adjustable hinges offer smooth performance and low-effort control.
Broad Applications
OMEGA casement windows suit homeowners, contractors, and designers, offering thermal efficiency, noise control, and custom design flexibility for everything from room upgrades to large-scale builds.
Residential
Casement windows are ideal for bedrooms, bathrooms, kitchens, and living spaces—offering full ventilation, natural light, and insulation. Their crank-out design and tight seals block drafts and moisture. For added airflow and design balance, pair them with minimalist single sliders or stacked double hung sashes.
Home Builders and Designers
Ideal for any style, they pair with classic single hung profiles or dual-track sliding windows for tailored layouts.
For larger openings, our patio doors collection delivers seamless flow and visual unity.
Expert Casement Window Installation in the GTA, Durham & York Regions
At Omega Windows & Doors Manufacturing, every casement window installation is performed by our factory-trained, certified in-house specialists — never subcontractors. Serving homeowners across the Greater Toronto Area, Durham Region, and York Region, we bring precision craftsmanship to side-hinged, crank-operated windows that deliver effortless operation, reliable ventilation control, and exceptional airflow.
Seamless Crank-Window Fit & Ventilation Control:
- Compliance with manufacturer specifications and local building codes
- Energy-efficient sealing for lower heating and cooling costs
- Careful site protection and clean work areas
- Warranty-backed results supported by 30+ years of industry expertise
Product & Installation Services
Benefits of Choosing OMEGA Casement Windows
At OMEGA, we take pride in being a trusted name among homeowners, contractors, custom home builders and home building designers across the region. Our commitment to superior craftsmanship, advanced energy efficiency, and exceptional customer satisfaction ensures we deliver high-performance windows that enhance both aesthetics and functionality.
For over 30 years, OMEGA has been the manufacturer of choice for homeowners and contractors alike. Learn more about OMEGA’s background and discover why our energy-smart windows, warranties, and direct pricing make us the right fit for your next project.
LIFETIME WARRANTY
20 YEAR WARRANTY
GOVERNMENT APPROVED
Energy Efficiency
Our virgin vinyl casement windows are ENERGY STAR-certified, helping you reduce energy costs and your carbon footprint. Insulated glass, airtight seals, and thermal breaks work together to minimize heat transfer and maximize indoor comfort.
Low Maintenance
The premium virgin vinyl we use is fade-resistant, easy to clean, resists wear, and requires little to no upkeep, making it an excellent long-term, low-maintenance solution.
Customizable Solutions
At OMEGA, we believe in tailoring our products to your exact needs. From made-to-measure sizes to unique finishes, our customization options ensure a perfect fit for every project.
Comprehensive Warranties
Backed by industry-leading structural, glass breakage, finish, and hardware warranties, our casement windows ensure long-term reliability, weather resistance, and peace of mind for homeowners and businesses alike.
Noise Reduction
Optional acoustic glass, multi-chambered frames, and insulated seals work together to minimize outside noise, providing a quieter, more peaceful indoor environment.
Environmentally Friendly
Our commitment to sustainability includes the use of virgin vinyl (UPVC) and energy-efficient manufacturing processes. By choosing OMEGA, you’re supporting eco-conscious practices.
Manufacturer Direct
By purchasing virgin vinyl casement windows directly from the manufacturer, you receive the best value proposition in the industry — combining exceptional craftsmanship, premium materials, and competitive pricing for unmatched quality and affordability.
Expert Insights on Vinyl Casement Windows for Homes Across the GTA, Durham & York Region
Searching for the best ways to maximize your casement windows? Our blog delivers professional insights, design ideas, and proven energy-efficiency guidance tailored to homeowners in the Greater Toronto Area, Durham Region, and York Region. Learn how vinyl casement windows enhance ventilation, provide tight weather seals against Ontario winds, and improve overall comfort and performance. These expert resources help you plan window replacements or home upgrades with confidence and lasting value.
Personalized Casement Window Design & Quote Services
Ready to enjoy the fresh-air control and modern appeal of casement windows? OMEGA Windows & Doors Manufacturing offers one-on-one guidance from factory-trained product advisors who help you select the perfect frame finishes, hardware styles, and energy-saving glass packages for your home in the GTA, Durham, or York Region.
One-on-One Guidance for Style, Hardware & Glass:
- A complimentary, in-depth, and fully tailored custom quote
- Design and style recommendations tailored to your architecture
- Options that balance aesthetics, performance, and budget
Frequently Asked Questions on Casement Windows – Ventilation, Efficiency & Style in the Greater Toronto Area
Casement windows are a top choice for homeowners across the Greater Toronto Area thanks to their clean lines, wide-open ventilation, and exceptional weather sealing. Hinged at the side and operated with a smooth crank mechanism, they deliver both function and style.
With OMEGA’s precision manufacturing and expert in-house installation, casement windows offer superior energy efficiency, year-round comfort, and dependable durability. Below, you’ll find detailed answers on style options, performance benefits, and installation details.
Casement Window FAQ – Ventilation, Style & Efficiency for GTA Homes
In this casement window FAQ, homeowners in Toronto, Durham Region, and York Region can explore the most important factors before choosing this style. Topics include ventilation advantages, glass efficiency ratings, hardware and security features, cleaning tips, and installation timelines—helping you make a confident choice for lasting comfort and performance.
What is a casement window?
A casement window is a side-hinged window that opens outward using a crank mechanism. It offers uninterrupted views, maximum ventilation, and a tight weather seal—a popular choice for energy-efficient homes in the GTA.
Why are casement windows recommended for homes in the GTA?
Casement windows excel in Ontario’s changing climate. The design forms a compression seal that blocks drafts, reduces energy loss, and provides comfortable interior conditions throughout the year.
Are casement windows energy efficient?
Yes. Their airtight seal and compatibility with Low-E and argon-filled glass make casement windows a top choice for:
- Reducing energy bills
- Improving insulation
- Maintaining indoor comfort
Can I install casement windows in a kitchen or bathroom?
Absolutely. Casement windows are ideal for hard-to-reach spaces like above sinks or tubs. The crank allows for:
- Easy operation
- Reliable airflow
- Better humidity control
Do casement windows help reduce outdoor noise?
Yes. With triple-pane glass and advanced sealing systems, casement windows from Omega Windows & Doors Manufacturing can significantly reduce external noise levels for a quieter living space.
How do casement windows lock?
Casement windows feature a multi-point locking system built into the sash. This provides:
- Enhanced security
- Stronger weather resistance
- Improved frame stability
Can casement windows meet egress requirements?
Yes. Casement windows often meet or exceed emergency egress standards, making them ideal for:
- Basement bedrooms
- Second-story bedrooms
- Building code compliance
Do casement windows open fully?
Yes. They open up to 90 degrees, allowing for:
- Maximum ventilation
- Unobstructed airflow
- Easy access to exterior glass
What maintenance do casement windows require?
Basic care includes:
- Lubricating hardware
- Cleaning frames and glass
- Inspecting seals and screens
Regular upkeep ensures smooth operation and long-term performance.
Can casement windows be customized?
Yes. OMEGA offers:
- Custom frame colours
- Decorative grille options
- Premium hardware finishes
- Various energy-efficient glass packages
Are casement windows suitable for upper floors?
Yes. The fully opening sash allows homeowners to clean both sides of the glass from inside—ideal for multi-story homes where exterior access is limited.
How long do vinyl casement windows last?
With proper care, vinyl casement windows from OMEGA typically last:
- 25 to 30 years in residential settings
- Even longer with shaded exposure and routine care
Can I retrofit casement windows into existing openings?
Yes. Casement windows can be installed in existing frames during renovations. This process is:
- Cost-effective
- Less invasive
- Ideal for older homes with character
What kind of glass options are available?
Omega Windows & Doors Manufacturing provides:
- Low-E glass
- Triple-pane with argon gas
- UV protection coatings
- Noise-reducing insulated glass
Are casement windows safe for homes with children?
Yes. Casement windows include:
- Interior-mounted screens
- Optional sash limiters
- Secure locking handles
These features offer added peace of mind for families.
Do casement windows work well in windy areas?
Yes. The wind pushes the sash tighter against the frame, improving the seal performance—especially important in Durham and York Region.
Are casement windows easy to clean?
Yes. The window opens fully to allow homeowners to:
- Clean inside and outside glass
- Wipe down frames
- Access and remove screens
Can casement windows be installed with insect screens?
Yes. All casement windows from OMEGA include removable interior-mounted screens that are easy to maintain and built to keep out pests and debris.
Do casement windows support passive ventilation?
Yes. You can angle the sash to catch prevailing breezes and improve:
- Natural airflow
- Humidity control
- Indoor air quality
What window sizes are available?
OMEGA manufactures casement windows in a wide variety of:
- Standard widths and heights
- Custom sizing for heritage homes
- Combination units with fixed or awning styles
How do casement windows open and close?
Casement windows operate using a crank handle that swings the sash outward from the side, allowing full ventilation control.
Can casement windows be installed in kitchens or above countertops?
Yes. Casement windows are ideal for hard-to-reach areas like over sinks, as the crank mechanism makes them easy to open and close.
Do casement windows allow for easy cleaning from inside the home?
Many casement windows open wide enough for homeowners to clean both interior and exterior glass from inside the room.
Are casement windows a good choice for maximizing airflow?
Yes. When fully opened, casement windows capture and direct fresh air into the room, making them effective for ventilation.
What type of locking mechanism is used in casement windows?
Casement windows typically feature multi-point locking systems, which secure the window at multiple locations for added safety.
Premium Casement Windows for Homes Across Toronto, Durham Region, York Region
At Omega Windows & Doors Manufacturing, we provide expertly engineered vinyl casement windows across Northeast Toronto, Durham Region, and York Region. Designed for year-round performance, our energy-efficient casement systems offer smooth operation, modern aesthetics, and superior weather resistance.
Whether you’re in a suburban subdivision or a heritage-style home, our custom window solutions are tailored to the unique needs of Ontario’s evolving neighborhoods.
Where We Install Casement Windows Across the GTA
OMEGA proudly delivers durable, energy-saving casement window installations across the Greater Toronto Area. Whether you’re updating a suburban home or planning a full remodel, our swing-open designs bring in light, air, and value to homes of every style.
Durham Region – Trusted Casement Window Solutions for East GTA Homes
Homeowners throughout Durham Region rely on OMEGA for durable, weather-sealed casement windows designed to reduce energy costs and improve curb appeal. From lakeside towns to rural properties, our window systems are made for Ontario’s shifting seasons and diverse home types.
Pickering – Built for Energy and Natural Light
Our high-performance casement windows help Pickering homeowners reduce drafts, boost airflow, and add long-term comfort with minimal upkeep.
Popular service areas:
- Amberlea
- Bay Ridges
- Brock Ridge
- Dunbarton
- Fairport
- Highbush
- Liverpool
- Rosebank
- Rougemount
- Rouge Park
- Town Centre
- Village East
- West Shore
- Woodlands
- Altona Forest
- Seaton
- Claremont
- Greenwood
- Whitevale
- Brougham
- Cherrywood
Ajax – Suburban Comfort with Window Efficiency
Ajax homes benefit from casement windows that offer low-maintenance function, secure operation, and impressive energy savings.
Popular service areas:
- Central Ajax
- Pickering Village
- Duffins Bay
- Discovery Bay
- Nottingham
- Westney Heights
- Southwood
- Applecroft
- Highbush
- Riverside
- Lakeside
- Salem Heights
- Audley North
- Audley South
- Carruthers Creek
- Mulberry Meadows
- Ajax by the Lake
Oshawa – Style and Security for All Home Types
From revitalized cores to newer builds, OMEGA casement windows in Oshawa offer tight seals, security, and easy operation across all home styles.
Popular service areas:
- Downtown Oshawa
- Northglen
- Taunton
- Windfields
- Pinecrest
- Eastdale
- McLaughlin
- Vanier
- Lakeview
- O’Neill
- Donevan
- Central Oshawa
- Farewell
- Harmony
Whitby – Smart Windows for Suburban Living
OMEGA’s casement windows improve energy efficiency and visual appeal across Whitby, including historic homes and growing neighborhoods.
Popular service areas:
- Brooklin
- Downtown Whitby
- Blue Grass Meadows
- Pringle Creek
- Williamsburg
- Rolling Acres
- Whitby Shores
- Taunton North
- West Lynde
- Port Whitby
- Lynde Creek
- Thickson
- Heber Down
- McKinney
- Greenwood Conservation
- Ashburn
Clarington – Window Performance for Modern and Rural Homes
From Bowmanville to rural villages, Clarington homeowners choose our casement windows for comfort, clarity, and custom fit.
Popular service areas:
- Bowmanville
- Courtice
- Newcastle
- Orono
- Hampton
- Enniskillen
- Kendal
- Leskard
- Maple Grove
- Newtonville
- Port Darlington
- Wilmot Creek
- Tyrone
- Haydon
- White Cliffe
Scugog – Designed for Waterfront and Open Land Homes
Casement windows from OMEGA deliver lasting durability, noise control, and protection for Scugog’s mix of lakefront homes and rural properties.
Popular service areas:
- Port Perry
- Greenbank
- Seagrave
- Blackstock
- Caesarea
- Epsom
- Scugog Island
- Nestleton Station
- Utica
- Saintfield
- Manchester
- Sonya
Uxbridge – Rural Style Meets Long-Lasting Function
Homeowners in Uxbridge count on OMEGA’s vinyl casement windows for efficient airflow, visual appeal, and energy-conscious upgrades.
Popular service areas:
- Downtown Uxbridge
- Quaker Village
- Barton Farms
- Coral Creek
- Testa Heights
- Foxbridge
- Uxbridge Brook
- Goodwood
- Altona
- Sandford
- Zion
- Siloam
- Leaskdale
- Udora
Brock – Reliable Comfort for Rural Communities
Our expertly built casement windows offer year-round comfort, weather protection, and visual harmony in Brock’s tranquil towns and hamlets.
Popular service areas:
- Beaverton
- Cannington
- Sunderland
- Wilfrid
- Vroomanton
- Manilla
- Gamebridge
- Maple Hill
- Thorah
- Port Bolster
- Cambray
York Region – Energy-Smart Casement Windows for Expanding Suburbs
From Markham to Vaughan, York Region homes benefit from OMEGA’s energy-efficient casement windows engineered for comfort and durability. Designed to meet the needs of both heritage districts and modern subdivisions, our vinyl window systems offer year-round performance, improved airflow, and long-term energy savings.
Markham – Engineered for Growing Communities
OMEGA’s casement windows offer modern efficiency and timeless style for Markham’s mix of new developments and older neighborhoods.
Popular service areas:
- Unionville
- Milliken
- Thornhill (Markham)
- Berczy Village
- Wismer Commons
- Greensborough
- Greensborough Heights
- Box Grove
- Cornell
- Markville
- Legacy
- Raymerville
- Buttonville
- Cachet
- Angus Glen
- South Unionville
- Rouge Fairways
- Rouge River Estates
- German Mills
Vaughan – Built to Perform in Busy Households
Vaughan homeowners rely on our casement windows for superior insulation, clean lines, and low-maintenance performance in every season.
Popular service areas:
- Maple
- Woodbridge
- Kleinburg
- Thornhill (Vaughan)
- Concord
- Vellore Village
- Patterson
- Islington Woods
Richmond Hill – Trusted Comfort for Every Season
OMEGA’s vinyl casement windows deliver energy savings and elegant design for homes throughout Richmond Hill, from established to upscale areas.
Popular service areas:
- Bayview Hill
- Oak Ridges
- Mill Pond
- Jefferson
- Doncrest
- North Richvale
- South Richvale
- Westbrook
- Langstaff
- Harding
- Crosby
- Observatory
- Devonsleigh
- Rouge Woods
- Elgin Mills
- Heritage Estates
Newmarket – Designed for Family-Friendly Living
Our energy-smart casement windows bring comfort and security to Newmarket’s family homes, with insulated frames and smooth operation.
Popular service areas:
- Stonehaven-Wyndham
- Bristol-London
- Woodland Hill
- Glenway Estates
- Huron Heights
- College Manor
- Summerhill Estates
- Armitage
- Central Newmarket
Aurora – Classic Looks, Modern Performance
From heritage homes to new builds, Aurora homeowners choose OMEGA for casement windows that balance charm with energy efficiency.
Popular service areas:
- Aurora Village
- Bayview Wellington
- Bayview Northeast
- Bayview Southeast
- Hills of St. Andrew
- Aurora Highlands
- Aurora Estates
- Rural Aurora
- Lexington
- Westhill
East Gwillimbury – Window Systems for Expanding Communities
Our durable casement windows support energy savings in East Gwillimbury’s growing subdivisions and established town centers.
Popular service areas:
- Holland Landing
- Sharon
- Mount Albert
- Queensville
- Rural East Gwillimbury
- Brownhill
Georgina – Lakeside Style and Weather Protection
Casement windows from OMEGA add comfort, energy control, and a clean design to homes across Georgina’s lakefront and inland areas.
Popular service areas:
- Keswick
- Sutton
- Jackson’s Point
- Pefferlaw
- Udora
- Willow Beach
- Rural Georgina
- Virginia
- Baldwin
- Biscayne
King – Built for Upscale Rural Living
King homes benefit from high-efficiency casement windows that match the character and performance needs of rural and estate properties.
Popular service areas:
- King City
- Nobleton
- Schomberg
- Laskay
- Pottageville
- Strange
- Snowball
- Hammertown
- Kinghorn
- Kettleby
Whitchurch-Stouffville – Comfort Meets Efficiency
Homeowners across Whitchurch-Stouffville trust OMEGA’s casement windows for custom fit, seasonal performance, and quiet comfort.
Popular service areas:
- Ballantrae
- Wheler’s Mill
- Stouffville Village
- Rural Whitchurch-Stouffville
- Lincolnville
- Musselman’s Lake
- Preston Lake
- Vivian
- Bloomington
- Dickson Hill
Toronto – Casement Windows for Legacy and Modern Homes
OMEGA proudly serves Toronto’s diverse residential communities with high-performance casement windows designed for city living. Whether you’re in a heritage home or a modern infill, our vinyl casement systems deliver airtight comfort, weather resistance, and year-round energy savings across Toronto’s dynamic neighborhoods.
Scarborough – Durable Style in Diverse Neighbourhoods
Scarborough homes benefit from OMEGA’s secure, easy-to-use casement windows that protect against wind, moisture, and seasonal wear.
Popular service areas:
- Agincourt
- Bendale
- Birch Cliff
- Clairlea
- Cliffcrest
- Dorset Park
- Eglinton East
- Guildwood
- Highland Creek
- Ionview
- Kennedy Park
- L’Amoreaux
- Malvern
- Milliken
- Morningside
- Oakridge
- Port Union
- Rouge
- Scarborough Village
- West Hill
North York – Urban Performance for Growing Homes
North York homeowners choose OMEGA’s energy-efficient casement windows for sleek design, strong insulation, and reliable operation.
Popular service areas:
- Willowdale (East & West)
- Bayview Village
- Don Mills
- York Mills
- Hoggs Hollow
- Bathurst Manor
- Newtonbrook (East & West)
- Downsview
- Flemingdon Park
- Victoria Village
- Hillcrest Village
- Yorkdale–Glen Park
- Lawrence Manor
- Amesbury
- Clanton Park
- Englemount–Lawrence
- Parkwoods–Donalda
East York – Heritage Homes with Modern Comfort
Our vinyl casement windows in East York blend classic charm with energy-saving function for comfortable, quiet indoor spaces.
Popular service areas:
- East Danforth
- East York Village
- Leaside
- Old East York
- Parkview Hills
- Topham Park
- Thorncliffe Park
- Woodbine Gardens
- Woodbine-Lumsden
- O’Connor–Parkview