ABSTRACT
ABSTRACT Energy consumption in the European Union building sector represents approximately 40% of the total energy consumption, above the consumption in the transport and industry sectors. The significant share of energy consumption of the building sector in the total energy consumption makes it responsible for 36% of CO2 emission in the European Union. Improving the energy efficiency of buildings has the potential of reducing the greenhouse gas emissions and thus supporting the global target of achieving a sustainable and green future. Whole building energy simulations play an important role in the process of increasing the energy performance of buildings so that the gap between the theoretical energy consumption and real energy consumption of the building is as small as possible. This paper deals with the study of a passive house building from west side of Romania. The work involves developing the energy model of the building using the EnergyPlus dynamic simulation tool and calibrating the building energy model using measured data related to heating and cooling set point temperatures, lighting and appliances schedules, infiltration rate and exterior temperature. The results of the numerical simulation are compared with the measured energy consumption of the house in order to validate the energy model. Further, the effects of the heating and cooling temperature set-points on the total energy consumption is investigated.
