We're more than just windows and our history proves it. Windows Unlimited was the very first company in Pittsburgh to introduce insulated glass as well as vinyl windows. And that's just the beginning. Our business philosophy is very simple and our success today is built upon the same foundation that we began in 1963.
Customer satisfaction and innovative products are the cornerstone of our company. Call for a free in-home estimate, e-mail us, or visit one of our showrooms. Or, just tell us how you prefer to be contacted.
To continue to strive for total customer satisfaction. We pledge to have the best products available, the best trained installation teams and quote the best possible price for these services.
1963
The opening of our doors on April 1, 1963 by John M. Cavanaugh who had been in the window business since 1947.
1969
Introduced the first customized insulated glass replacement window
1979
Replaced the aluminum window with a more efficient vinyl unit.
1981
Because of customer response, began installing siding, soffit and fascia and rainwear.
1985
In the mid 80's Low-E insulated glass, foam filled frames and EASY CLEAN GLASS were introduced.
1996
R-SERIES contoured underlay for siding was introduced for better strength and efficiency.
1998
Introduction of MAXUUS R-10 insulated glass, the most efficient glass ever designed, which exceeds ENERGY STAR requirements.
2004
Windows Unlimited customer base reaches 25,000
With 2 Showrooms in Pittsburgh and 1 in Erie, Windows Unlimited is best to serve your home improvements needs in western Pennsylvania.