Abstract
This part is basically analyzed on sunshine performance; sunshine receivable hours and quantity of sunshine-heat energy. The summary is as follows; according as the direction of the building facade for lighting changed from a southern aspect to a eastern or western aspect, keeping the settled length of sunshine hours, the floor area ratio has a little variation, but the quantity of sunshine heat energy decease remarkablly. Taking into consideration the covering effect of balcony from sunshine, sunshine performance of the building having a southern aspect is good, and that of building having a western or eastern aspect is no good.
