So if time-limited usage may result in reduced costs considerably.But vice versa. Air conditioning, it is necessary to use all the time, with various locations, hospitals, etc.
Therefore, if the time limit of use may result in reduced costs, obviously , but on the other hand. Air conditioning is It is necessary to use all the time. With the latest hospital and so on.
So if a time limit of use can result in cost decreased significantly.But on the other hand, the air conditioning is necessary to use all the time, with the place various hospitals, etc..