Compared with the insulating glass which needs to increase the number of cavities, the thickness of cavities and the number of Low-E glasses to reduce the heat transfer coefficient, the vacuum insulating glass has a simple structure, light  and a larger choice of optical parameters.

The thickness of the two pieces of vacuum insulating glass is only 8 ~ 10 mm, which is enough to fit the general window frame, and only the glass can be replaced without changing the window frame, so it is very easy.