A glass pergola can transform an ordinary terrace into a beautiful and functional outdoor space. It allows natural daylight to enter, creates an elegant architectural appearance, and provides shelter from rain and other outdoor elements. However, one common question homeowners ask before installing a glass pergola is: Does a glass pergola make your terrace too hot during summer? The answer depends on several factors, including the type of glass, roof design, ventilation, terrace orientation, and installation quality.