Compares the heating and cooling energy consumption of buildings applying external respiration double skin facade with that of buildings applying four single glazing curtain walls.

Existing fixed, single-glazed Windows were replaced with new, operable, double-glazed Windows and existing solid spandrel panels were replaced with clear glazing to increase natural daylighting.

It's used for glazing on the tile, classified single disc glazing booth, double discs glazing booth and multifunctional booth for special request.