Pandelieva-Dimova, I. et al. 2026. From nearly zero energy buildings (NZEB) to nearly zero emission buildings (ZEB) Part 1. the impact of climate change on heat consumption for heating buildings. Energy and Automation. 4 (Aug. 2026), 100–108. DOI:https://doi.org/10.31548/energiya4(86).2026.100.