- Energy Efficient Options
A1 Quality Construction is a window and door specialist serving residential and commercial customers in Hayward and the surrounding cities since 1987. It offers a wide selection of custom replacement windows and doors, varying in style and frame material. Its door options include bi-fold and accordion, fiberglass entry doors, and sliding patio doors. The company's owners have over 30 years of field experience in handling installation and replacement projects. Its partner brands include Windsor Windows & Doors, International Window Corporation, Milgard, and Simonton.