A. To gather relevant information. The type and number of the building. The amount and type of energy used, as well as other conditions
B.Collect the appropriate technology for improving the building price time used in adjusting the pung, and constraints
C. Study law related
D.? The project was set in and the priority of each project
e.A study of the feasibility of the project, f
. According to the scheduled time frame
.
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