As urban development in Boston accelerates, the demand for high-performance French windows that blend historic aesthetics with modern thermal efficiency has reached an all-time high. Grandex Door Solutions Co., Ltd. brings decades of manufacturing mastery to the New England market. From the historic brownstones of Back Bay to the contemporary skyline of Seaport, our custom fenestration solutions provide the structural integrity and energy performance required for Boston’s unique climate.
Boston’s commercial and residential sectors are pivoting towards "net-zero" compliance. French windows are no longer just an aesthetic choice; they are key to building envelope performance. Our R&D team is currently integrating smart-glass technology and vacuum-insulated glazing to exceed Massachusetts Stretch Energy Code standards.
Established in 2014, Grandex Door Solutions Co., Ltd. operates a 35,000m² state-of-the-art facility. With an annual export revenue of $28M, we specialize in supporting Boston developers with:
Grandex Door
