TY CONF TI PROSPECTS FOR THE USE OF HEAT PUMP INSTALLATIONS FOR HEAT SUPPLY IN INDIVIDUAL HOUSING CONSTRUCTION KW heat supply system KW heat pump system KW individual housing construction JO INDUSTRIAL THERMAL POWER ENGINEERING AU Portnov, V.V. AU Orlovtseva, O.A. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov