 This paper reviews and classifies various glazing technologies to help architects and designers select the best option for their project. The most common glazing technologies include multilayer glazings, evacuated glazings, aerogel glazings, electrochromic glazings, and solar cell glazings. These technologies can be combined with each other or with other technologies such as shading devices, insulation, and lighting control to create more efficient and comfortable buildings. This article was authored by Michalis Michael, Fabio Favono, Chen Jin, and others.