ill post all info by upload files.
my initial topic is
1:automatic control the A/C by the detection of how many people in that area.
2:the A/C in hotel is running 24hrs 7days 365days, the design of green building will reduce the energy using, let fresh air come in during the good temperature season.
3:new technology for energy saving and better use of energy.
you can change it if u want, but remain on cooling system trends.
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