Thermal Sash Window & Door Systems

Thermal Sash Window and Door Systems is a locally owned and operated business based in Chester County, PA, with a rich history that dates back to 1982. Founded by John and Marcia Herman, Thermal Sash has been providing top-quality windows and doors to homeowners in Southeastern PA for over three decades. With unparalleled expertise and a commitment to energy efficiency, Thermal Sash has established itself as the premier replacement windows and doors provider in the region.

Our Background

John Herman started his career in the window industry in 1982, working for a window dealer in Allentown, Pennsylvania. Over the years, he gained valuable experience and knowledge about the business, eventually joining a firm in Chester Springs. In 1991, he purchased Thermal Sash Windows and Doors and expanded the business to cover Chester, Lancaster, Bucks, Lehigh, Northampton, and the counties surrounding Harrisburg Pennsylvania. With a wealth of experience and a deep understanding of the local market, Thermal Sash is uniquely positioned to serve homeowners in the region with the highest quality products and services available.

Our Products and Services

At Thermal Sash, we take great pride in providing top-quality replacement windows, storm doors, front doors, and retractable awnings for homeowners. Our windows are designed to insulate your home efficiently, keeping it warm in the winter and cool in the summer. We offer a variety of styles, colors, and materials, ensuring that you can find the perfect windows to suit your specific needs and aesthetic preferences.

Our entry doors are designed to be both energy efficient and aesthetically pleasing, with customizable options to suit your unique style. We offer a wide range of materials, including steel and fiberglass, to provide unparalleled durability and performance. Our doors are built to last, improving your home's performance for years to come.

If you're looking for sliding doors, look no further than Thermal Sash. Our doors are functional, durable, and energy efficient, providing a seamless transition between your indoor and outdoor spaces. We also offer insulated windows to improve your home's energy efficiency and reduce your energy bills.

In addition to our high-quality windows and doors, Thermal Sash also offers retractable awnings and patio shades to add some pizzazz to your decks and patios. Our team of experts is committed to helping you choose the perfect shading solution that'll keep you cool in the hottest weather, all while staying within your budget.

Why Choose Thermal Sash?

At Thermal Sash, we believe that you and your family deserve the best. That's why we are dedicated to providing outstanding quality products and services that will exceed your expectations. We take the time to understand your unique needs and preferences, providing personalized care and attention every step of the way. Whether you're looking to update your windows, doors, or patio, Thermal Sash has the expertise and experience to get the job done right.

If you have questions about efficiency, we are a wealth of knowledge about the current tax incentives and rebates for home energy upgrades. Our team is always available to discuss your home energy options and help you make informed decisions about your home improvements.

Contact us today to learn more about our products and services and get your free estimate. We look forward to serving you and helping you improve the beauty, efficiency, and performance of your home.