Casement Windows

Thermal King Casement Windows offer a unique and beautiful option to areas of your home that you want to open up to fresh air. Our crank and locking system offers superior protection and durability.

Let us show you the perfect Window

Energy efficiency is first and foremost when choosing a replacement window. Thermal King Windows have an exclusive Triple Insulated EGIII KR IS Glass System.  It has multiple layers of Low-E glass with two insulated chambers filled with Krypton Gas.  Combined with our patented foam Super Spacer makes Thermal King Windows 250% better and even 93 Percent more efficient that most other windows in the Nation.

A main benefit to Thermal King Casement Windows is their modern look and feel and the removal of a sash that can break up the view from your window. Another benefit to casement windows is the tightness of the seal that is created, improving your homes energy efficiency.  All casement windows have a three-point locking system for added safety and security.  Because of the wide range of finishes that Thermal King Windows offers, you can upgrade your next home improvement project to a state of the art casement window and get all the benefits of modern technology and aesthetics, without loosing the authenticity of your project or home. You’ll find that the operation and efficiency of these casement windows is second to none and a perfect “fit” for your home improvement project.

Have Questions?

We are always available by phone or online to answer any questions you might have. 

Undeniably distinctive. Unmistakably European. Irresistibly charming. Many homes just wouldn’t look the same without the romantic touch of casement windows. While well-loved for their looks, casement windows of years past were notoriously poor performers when it came to keeping out cold, wind, and rain. Not so with Thermal King’s casement and awning windows. Combining old world charm with modern day durability and energy efficiency, Thermal King Windows helps you love your casement windows all year round. Designed for beauty and energy efficiency, Thermal King’s casement windows are a great addition to the contemporary and traditional homes. With clean lines and large viewing areas casement windows are great for letting the outdoors in. With multi-point locking systems and air-tight weatherstripping these windows are sure to keep you secure and comfortable.

All Thermal King Windows are designed to be maintenance free.  With our uiPVC, frames both inside and out, never requires caulking or painting and is virtually maintenance free. Our frames and sashes are fusion-welded and guaranteed to never warp, sag or bow.  The fiberglass-reinforced sash also provides unsurpassed strength and durability.  Screens that can be removed from inside the home and Easy-Clean™ glass that needs cleaning half as often and with half the effort of ordinary glass. And all of  insulated glass carries a lifetime transferable glass breakage warranty. 

Energy Star Windows and Doors

Not just some, but ALL of our products are Energy Star qualified. The Energy Star Program was created by the U.S. Department of Energy and the U.S. EPA to make it easier for consumers to choose the most energy efficient products. This label certifies our products meet or exceed the federal energy efficiency standard. 

Let’s Build Something Together

Our simple and hassle free process guarantees that your home improvement project will give you stunning results, guaranteed. 

No Obligation, Free Estimate

Our team is ready to help you and is specifically trained to help provide solutions, not sales gimmicks. You can schedule with us online or over the phone and our team will provide you with a totally free estimate. 

High Quality, Energy Efficient, Perfection

Once we have the specifications for your windows our project engineers will begin crafting our patented, industry leading, triple pane windows just for your home. We follow the same process for our beautiful exterior doors. 

Window, Door, and Siding Installation. With a smile.

Our installation technicians are expert craftsmen. But, they are also highly trained customer service professionals. We pride ourselves on the ability to complete your project on time and with friendly staff who ensure you have a positive experience. 

Perfection Guaranteed

We don’t just sell great windows, doors, and siding, we guarantee it. Our windows will never stick, rot, warp, fade, or fail. In fact, if they do, we will come out and replace it, no questions asked, period. We pride ourselves on quality and virtually maintenance free products for our valued customers. 

Warranty

Thermal King Windows are backed by our industry-leading Limited lifetime warranty.

Contact Us

Located in Lenexa, Kansas and serving the Greater Kansas City Metro and Surrounding Area.

Office Location

Lenexa, Kansas

Open Hours

M-T: 8am - 7pm | F: 8am - 4pm