ENERGY STAR Rated Double Hung Windows
Window Mart’s double hung vinyl windows feature the ENERGY STAR emblem, which is the gold standard for energy efficiency rating. They are made from a 100% lead-free uPVC compound and feature a unique multi-chamber construction.
What Are Double Hung Windows?
Double hung windows are one of the most popular window options for new and old homes, alike. They feature an upper and lower sash that easily slide up and down past each other along the grooves of the side jambs. This convenient design allows you to control the level of ventilation in each room without compromising on space or style.
Double hung windows are available in a wide variety of colors, shapes, configurations, and sizes to ensure that they flawless blend into any architectural design. To enhance durability and security, double hung windows also include compression weather stripping and springs. Window Mart’s vinyl double hung windows are guaranteed to be fully waterproof and will not crack, rust, or fade.
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Ready to get started on your project?
Window Mart is the premier provider of double hung windows in Alberta, BC, Saskatchewan, and Ontario. Complete your vinyl window replacement project with our professional installation services.
Contact Window Mart today for a free quote on double hung windows for your home.
Features & Options
Window Mart offers several trim options to create the ensure your new windows blend flawlessly into your home’s aesthetic. From custom colors to a wide variety of finishing options, we combine advanced window technology with style to create the perfect window casing.
Standard finishing options:
- Wood Stain
- Contemporary Rosettes
- Classic Rosettes
Our vinyl windows are available in 4 standard jamb sizes to ensure a seamless installation process.
Window Mart also offers wood jamb extensions, frame moldings, and corner blocks to compliment any architectural design. All interior finishing options are hand crafted with 100% lead-free uPVC that is durable and low maintenance.
Window Mart is proud to offer a wide range of window colors to match any desired style or design concept. Our vinyl windows are crafted with only the highest quality paint during the manufacturing process to ensure that color remains vibrant and resilient for years to come.

Size Limitations
In the table below you can view double hung window size limitations in Canada:
Window Style | Pane | Min Width |
Min Height |
Max Width |
Max Height |
Max Sq.Ft. |
Special Conditions |
Double Hung Window | Double Glass | 15″ | 28″ | 46″ | 58″ | 21 sq.ft. | N/A |
Double Hung Window | Triple Glass | 15″ | 28″ | 36″ | 54″ | 13.5 sq.ft. | N/A |
Benefits of Vinyl Double Hung Windows
Double hung windows open vertically from the bottom sash only. The simplicity of their design makes them incredibly durable and energy efficient. Technological advancements in window construction have also created windows that perform well even in the harshest of Canadian climates. With Window Mart single hung windows, you can enjoy a more comfortable home any time of year.

100% Lead-free uPVC
Window Mart Windows are made from a 100% lead-free uPVC powder compound. Their unique construction gives them excellent resistance to impact, cracking, and discoloration.
Sealed Glass Unit
Window Mart windows feature a completely sealed glass unit with 13/16″ overall thickness. We offer multiple options for glazing and thickness depending on the model.
Fusion Welded Corners
Fusion welding creates a watertight and airtight window frame. Internal walls are also welded to improve overall strength and structural integrity.
Multiple Air Chambers
Our windows have the highest number of internal air chambers, giving them outstanding insulation and sound abatement properties, as well as maximizing thermal & energy efficiency.
Energy Efficient
The unique multi-chamber design gives Window Mart windows the leading edge when it comes to energy efficiency.
Low-Maintenance
Spend less time on up-keep and more time doing the things you love with Window Mart’s low maintenance vinyl windows.
Attractive
Give your home an instant facelift with stylish new vinyl double hung window options, available in a wide variety of shapes, styles, and sizes.
Durable
Vinyl windows are exceptionally durable, boasting enhanced resistance to weather, cracking, and impact damage.
Affordable
With a wide selection of price points and financing options, you are sure to find something that fits your style and your budget.
Double Hung Windows Advantages


Low Maintenance
Double hung windows feature a unique inward tilt mechanism to allow for easy cleaning and maintenance.
Versatility
Though double hung windows are easy to open and close, they are far from simple. From custom shapes to finishes, the wide variety of style and design options allow them to easily match any architectural aesthetic.
Efficient Ventilation
Double hung windows are the perfect addition to smaller rooms where additional airflow is desired. They can be opened from the top and bottom at the same time to achieve natural ventilation of stale air and pulling in fresh air.

Ease of Operation
Counterweighted sashes make opening and closing double hung windows a breeze. Their easy to operate design also makes them a great option for bedrooms that require egress safe windows.
Window Installation
Window installation has a significant impact on the performance and longevity of your vinyl double hung windows. That’s why Window Mart has partnered with reliable contractors and window installation specialists who can provide exceptional single hung window installations. Window Mart is pleased to offer two types of installation services for vinyl double hung windows:
RETROFIT
Retrofitting your home with vinyl windows allows you to upgrade your windows and improve performance and energy-efficiency without completing a full frame replacement.
- Retrofitting involves removing and replacing the window sash.
- The existing window frame and trim on both the interior and exterior of your home remain intact.
- Retrofitting is a faster and less expensive process compared to full frame replacement.
- Only recommended if the existing frame is in good condition and is well insulated.
- Retrofitting you to upgrade window glazing for optimized performance.
FULL FRAME REPLACEMENT
Full Frame Replacement is a more thorough option that offer greater efficiency and better overall window performance compared to retrofitting.
- Involves complete removal of the old windup up to house framing.
- Once window is installed, the exterior is finished with caulking or aluminum flashing.
- Full Frame Replacement allows for upgrades to the interior trim and window jambs.
- Ensures optimal energy-efficiency and thermal performance.

About Window Mart
Window Mart is a Canadian owned window company that specializes in unique, custom vinyl windows. Our team of window specialists is pleased to work with you to find the perfect custom windows to fit your home, whether it’s a new build or a home renovation project.
We take the time to explain and compare window options with you and help you select the right size, type, and finishing touches for your new Window Mart vinyl windows.
More Window Styles

Awning
Awning windows feature a convenient hinge at the top to allow for ease of operation while maintaining security

Single Slider
Slider windows are affordable, stylish, and functional. With one fixed sash, the other slides open for circulation