Comments on the need for integrated design of lighting, heating, and cooling systems. In order to eliminate the penalty of refrigerating the lighting heat, minimize the building non-usable space, and optimize the total energy input, a "systems approach" is recommended. This system would employ heat-recovery techniques based on the…

Designing and planning Asian school buildings with regard to sunshading and the aid of a heliodon is discussed, describing what it is, how it is used, what it is used for and how to calibrate with it. Charts, drawings and reference list are included. (TG)