Abstract: Buildings, particularly office buildings, are major energy consumers and sources of CO2 emissions, contributing to around one-third of global energy consumption. As a result, energy consumption optimization regulations and the deployment of renewable energy technology in the construction sector has the potential to significantly reduce energy consumption and carbon emissions. This paper describes a comprehensive study on the technical feasibility and design of the electrical equipment of the Isfahan University virtual faculty building project in accordance with Iran’s standards and guidelines of low-energy buildings (mostly chapter 19 of the Iranian National Building Regulations). In this case study, relevant designs and calculations were presented in order to accomplish the low-energy construction goals for various portions of the project. The photovoltaic system on the roof provides a part of the building’s energy, and the KNX protocol was used to operate the lighting management system, the cooling and heating systems, and to enable intelligent energy management.