Improving homes since 2002.

Donna’s Door & Window Co. is the name behind thousands of happy customers and upgraded homes in South Florida.

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About Donna’s Door & Window Co.

Donna’s Door and Window Co. began operations in 2002. However, the history of the company and what it represents started back in the early 70s.

The owner, Donna Kallnischkies (pronounced Kall-Nisch-Keys), moved to the area with her family in 1967 — leaving Long Island, New York behind.

As a young daddy’s girl, she was often inspired by her father, Bob Bernhand. She watched and helped as Dad actively bought, sold, and renovated properties while working for “Florida Home Finders”. Bob ended his Real Estate career and got involved in the construction industry, specializing in doors and windows.

Donna began her first career as a medical professional after graduating from nursing school, and worked at both Venice and Sarasota Hospital, only to return back to college to continue her education (earning a Bachelor’s degree in Business).

After her dad’s passing, she followed her father’s footsteps. She also got involved in Real Estate, working as a broker at Century 21. Soon, Donna also left her Real Estate career and got her contractor’s license. She then got started in the construction industry, also specializing in doors and windows.

Donna spent years working in this industry, focusing on design. Finally, 2002 came and opened new horizons for Donna and her dreams. Donna’s Door and Window Co. was born and her new company proved to be a huge move that opened up many opportunities for Donna and her employees. She has an in-house staff of 8 people, but more than workers, she sees them as her friends – better yet, they are all one family

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Our Expertise

For over 15 years, Donna’s Door & Window Co. has been around. We have been in business offering high quality products and services to homeowners in Port Charlotte. We have an A+ rating from the BBB (Better Business Bureau). This is a testament to the kind of work that we provide. You can trust that our prices are competitive and our services are handled by a team of professional and skilled designers and craftsmen.

Donna's Door and Windows Our Dedication
Our Dedication

Our clients have always been our top priority. Without you, we will have no business. So we always strive to continuously improve our work to help more people be happy with their homes and buildings. You can check our showroom at your convenience to see the range of doors and windows that we carry. On top of this, we always make sure that any urgent concerns and deliveries are catered to. Our customer service department is dedicated to making sure all of your needs, including post-sale warranty, are met.

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Our Guarantee

For all your door and window needs, turn to us here at Donna’s Doors & Windows. We do full installation, repair, and modification of your doors and impact windows. We are an authorized stocking dealer of Therma Tru Doors and other hardware. We also sell and service PGT Windows. With Donna’s Doors & Windows, you are guaranteed 100% customer satisfaction with every transaction.

OUR MISSION

Donna’s Door & Window Co. has had the same mission through the years: To give our customers a hands-on approach, paying attention to detail while offering the finest products in the market. All of these products are installed by professionals who aim to meet – and even exceed – the existing building codes and regulations. All of these guarantees are available at affordable and competitive prices, too.

Contact Us Today

Free Quote & Consultation on any Product!