![]() |
The THV Compozit double hung replacement window, available in Chicagoland from Siding-1 Windows-1 Exteriors represents the next generation of classic-style, widely popular in homes across America. Energy efficient features help keep you comfortable year-round while saving on utility costs. Rugged construction delivers long-term performance and security. Our Limited Lifetime Warranty* guarantees it. Enjoy easy operation and virtually maintenance-free performance. Strength, durability and revolutionary thermal performance, integrated into a classic architectural mainstay – a smart investment in both the value and comfort of your home.

The THV Compozit Slider gives you the expanded viewing area of a picture window, plus the ability to slide it open and enjoy a breath of fresh air. THV’s air infiltration superiority is unequaled by any other sliding window available today. Enjoy a great new view with the beauty of a traditional sliding window but the added functionality of a French casement. Its European design allows you to open your view and enjoy the beautiful outdoors. Its energy efficient design helps the window pay for itself in reduced utility costs over time, while it’s rugged construction and precision-engineered hardware allows the slider to deliver long-term performance and security.
Enjoy its easy operation and virtually maintenance-free performance. Who says you can’t have it all?
Add new dimension to your favorite room with beautiful and efficient casement windows. The most energy efficient window design guarantees that the window will pay for itself over time in both reduced utility costs and increased daily comfort. Enjoy ease of operation with heavy-duty crank handles that are made for smooth and hassle free window operation.

Our Bay windows promise an expanded, panoramic view of the great outdoors, without the worry of expanded utility bills or uncomfortable temperature swings. The energy efficient design helps these windows pay for themselves in reduced utility costs over time, which gives you a great view with an even greater return on investment.
Our Bow windows provide large open spaces without compromising your comfort level. Their energy efficient design gives you the benefit of open spaces without losing energy dollars. Open up your view and enjoy a mixture of contemporary design features and an assortment of classic design options.
All THV Compozit Replacement Windows from Siding-1 Windows-1 Exteriors qualify for up to $1500 in tax credits under the American Recovery and Reinvestment Act of 2009!
To learn more about the revolutionary THV Compozit Replacement Window call us at (800)-929-9275 or request a Free Estimate by filling out the form to the right.
