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Products   >   Casement Windows

Casement Windows

Open up to a world of possibilities with Green Mainland casement windows where every view is a masterpiece in the making!
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Features & Benefits

Thermally Broken Aluminum
Crafted with Responsible Materials
Insulated Glass
Passive House Certified

Details

Casement windows are hinged on one side and opens outward like a door. They open fully, creating a large opening that allows maximum airflow into the room. This makes them an excellent choice for areas where good ventilation is desired, such as kitchens and bathrooms.

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When casement windows are open, they provide unobstructed views of the outdoors. When closed, they offer excellent energy efficiency. The sash presses against the frame, creating a tight seal that helps prevent drafts and minimizes heat transfer, contributing to energy savings.

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  • Multiple lock mechanisms for enhanced security.

  • Double and triple glazing options for optimal insulation.

  • Wide range of custom sizes, configurations, and grid options to meet every need.

  • Built to last with durable, thermally broken, all-aluminum frames.

  • Can be hinged on the left or right, depending on the desired orientation.

  • Often combined with picture window transoms or sidelights.

  • The crank or lever mechanism used to open and close casement windows is easy to operate.

  • Come in thermally broken aluminum and vinyl. 

Explore More

5

The Entire Process Was Smooth and Professional

We had a great experience working with Green Mainland company! I was specifically looking for unique European style doors with a non-standard opening mechanism, and it was not easy to find the right supplier in the US. I’m very glad I found them in Texas! They handled everything from delivery to installation in Florida, and the entire process was smooth and professional. The quality of the door is excellent, and you can really see the craftsmanship and attention to detail. Considering the complexity of the product and the installation, the pricing felt very fair. The team was also a pleasure to work with: knowledgeable, responsive, and genuinely kind. They took the time to explain everything clearly and made sure we were comfortable with every step. Thank you Alex again! I’m very grateful for their work and absolutely love the final result. Highly recommend.

5

We Get Compliments On Our Door All The Time

The team did a great job on the initial installation and were just as great when they returned to install the screen. We get compliments on our door all the time — the beauty, the weight, the functionality, and ease of use. We absolutely can’t recommend Green Mainland any higher. Great price, product and service!

5

Extremely High Quality

Purchased an amazing door I love from Green Mainland! If you're looking for something a bit more custom and unique, they're great. Extremely high quality. And everybody was friendly and welcoming. The install guy was also very professional and meticulous. Definitely check them out!

5

Quality And Craftsmanship Are Outstanding

As the owner of Shikarny Homes, I work with many suppliers, and reliability and quality are extremely important to us. Our experience with Green Mainland has been excellent. We ordered aluminum windows with fully tempered glass, and the overall quality and craftsmanship are outstanding. The windows look great, and the tracks operate very smoothly, which speaks to the quality of the product. During the process, we needed to make some adjustments after the windows had already been ordered. Alexander and his team were very responsive and worked with us to update the measurements before delivery, ensuring everything arrived exactly to the required specifications. For builders, having a supplier who communicates well and is willing to work through adjustments is critical. Green Mainland delivered on both quality and service, and the entire process was smooth and professional. I confidently recommend Green Mainland to builders and contractors looking for high-quality aluminum windows and a team that stands behind their work.

5

They Are The Best In Designing Quality

Highly recommended! They are the best in designing quality and price also punctuality which is very important.Thanks guys happy to make business with you!

Submitted a month ago

By Gleb Stella Tsvetaev

From Florida

Submitted a month ago

By Marci Peach

From Athens, TX

Submitted a month ago

By Tate

From Texas

Submitted 2 months ago

By Vlad Nalivaiko

From Bartonville, TX

Submitted 2months ago

By Akakii Akakievich

From Undisclosed

Displaying Reviews 1-5

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