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What Are Casement windows?

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What are Casement Windows?

Casement windows are a popular type of window that features a single or multiple window panes hinged on one side, allowing them to swing open either inward or outward like a door. They are operated using a crank handle or lever, which makes them easy to open and close.

Casement windows offer several benefits, including:

  • Excellent Ventilation: Since casement windows open fully, they provide maximum airflow, allowing fresh air to circulate freely throughout the room.
  • Unobstructed Views: With their minimalistic design and large glass area, casement windows offer clear, unobstructed views of the outdoors.
  • Enhanced Security: Casement windows typically feature a multi-point locking system, which makes them more secure than some other window styles.
  • Energy Efficiency: Due to their tight seal when closed, casement windows help reduce drafts and improve the energy efficiency of your home or commercial space.
  • Easy Operation: The crank handle or lever mechanism allows for effortless opening and closing, making them suitable for people of all ages and abilities.

Casement windows are a versatile and attractive option for homeowners and commercial clients looking to enhance the beauty, functionality, and energy efficiency of their properties.


I absolutely love my windows. Thank you for an amazing job from start to finish. Not only does my home look great but it’s also now very cozy.

Standard Window Features

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Since 1985 North Star has been an industry leader in the manufacture of attractive and energy-efficient vinyl windows and patio doors.
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Tested and certified by Canadian Standards Association and comply with American Architectural Manufacturers Association (AAMA) standards.
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The beauty of our windows can be enhanced through traditional or contemporary grilles, available in three profiles: ¼″ square, ⅝″ flat and ¾″ contour.

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Extrusions come in seven colors – white, ivory, hickory, chestnut brown, cocoa, sable and sandalwood

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Energy Advantage Low-E is a high performance, energy-efficient glass made with a coating that is designed for top performance in our northern climate, which is why it can rate highest on the Canadian Energy Rating

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Hardware and locks used in our windows are easy to use, secure and come with a lifetime warranty

If you need some window ideas, we’ve put together a gallery of window inspirations: