Dimitry Marusych is a Certified energy auditor for energy performance certification of buildings. Registered in the national data-base of certified energy auditors for energy certification of buildings. He is experienced in development and implementation of energy efficiency projects in industrial enterprises, public and residential buildings and implementing an energy management system and energy monitoring in cities and industrial enterprises. He is an expert in projects related to energy efficiency in public buildings in Ukraine by means of maintenance & repair plans of installed devices and facilities. He has also got experience in construction management, supervision, quantity survey, quality control of construction works. Author’s supervision and Technical supervision over the implementation of the design decisions.