Proudly serving the Dallas-Fort Worth Metroplex since 1979, Brennan Enterprises offers the best service for window replacement and exterior door replacement projects. We offer the best in product selection, installation quality, and customer service. Whether your home remodeling project is big or small our team can help by offering custom product solutions and expert installation. Services Offered: Turnkey full window replacement, turnkey full exterior door replacement, adding window opening, adding door opening, window to door conversions, folding patio doors, multi-slide patio doors. Not Offered: glass repair, glass replacement, window or door repairs, installation only (installation only offered on our products).