NetZeroHero is transforming the Trendafil 1 district (44 buildings, ~3,000 residents) into a replicable near-zero emission blueprint. The pilot zone covers 30 multi-family residential buildings, 2 kindergartens, a nursery, a school, and several commercial premises. Deep energy renovation models are being implemented alongside photovoltaic systems and high-efficiency heating solutions. Some buildings will be designed to nearly zero-energy standard, others to full energy independence. A strong emphasis is placed on energy communities: groups of citizens, businesses, and institutions that produce, share, and manage energy together. Municipal experts, construction workers, and residents receive dedicated training. Zero-emission scenarios are modelled, community meetings are held, and solutions are tailored to the real needs of the people who live there.