The project was implemented as an energy consultant contract under the USAID Vietnam Clean Energy Program. The simulation results show that the air conditioning system can reduce the design capacity by 17%, from 1,219 kW to 1,006 kW, equivalent to reducing the initial investment cost of 1.5 billion VND, and at the same time reducing operating costs of 350 million VND.

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The application of energy saving solutions thanks to the consulting program will help VNCC office building reduce energy consumption by 125.4 MWh per year, equivalent to 350 million VND in electricity bills and reduce 90 tons of CO2 emitted into the environment, as calculated by the 2015 emission factor is 0.6612 tons CO2/MWh and the national grid loss is 7.94%.