TY JOUR TI ENGINEERING DIGITALIZATION AS A TOOL FOR SIMULATION MODELING OF COMFORTABLE LIFE SUPPORT IN RESIDENTIAL AND INDUSTRIAL BUILDINGS KW life cycle management; capital construction facilities; heat pump systems; digital twin; simulation modeling JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Fedosov, S.V. AU Fedoseev, V.N. AU Voronov, V.A. PY 2026 IS 11 PB Belgorod State Technological University named after V.G. Shukhov