The project I am working on has three building as a whole. These three buildings will be defined as office use but designed as apartment style. It is defined as apartment-office building in Chinese building category. From the floor plan, the office space is like residential units. The project will choose packaged terminal air conditioner for its HVAC system, and combined heating power system for heating. Since the baseline of energy simulation has significant difference between residential and commercial project, is my project eligible to be defined as office rather than residential in energy simulation?