Why 1: Why is so much power being used on air conditioning?
Answer 1: A lot of power is being wasted.
Why 2: Why is so much power being wasted?
Answer 2: Air conditioning is on when unneeded.
Why 3: Why is air conditioning on when unneeded?
Answer 3: There is a lack of mechanisms to mitigate such waste in some buildings
Why 4: Why is there a lack of such mechanisms in some buildings?
Answer 4: The application of power-saving measures is uneven between different buildings
Why 5: Why is the application of power-saving measures uneven between different buildings?
Answer 5: Lack of standardization for air conditioning control amongst all buildings