TY CONF TI BUILDING ENERGY SIMULATION KW building energy consumption KW simulation modeling KW AnyDynamics KW heat balance KW heating system KW energy saving JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Tomilov, A.E. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov