What are the important factor to consider in designing air conditioning for residential? commercial? et al...?

Of the most important factors to be taken into account when designing air conditioning are spaces and sizes of rooms and halls and nature Alotfs in the country, as well as openings, ventilation and nature finishing external interfaces

Please rank the below factors in terms of importance while buying commercial insurance? Good service Price pleasing people secure buildings from all sides1. security 2. cover 3. price 4. service 5.