TY CONF TI PROSPECTS FOR THE APPLICATION OF REVERSE OSMOSIS FILTERS FOR WATER TREATMENT IN RESIDENTIAL COMPLEX BOILER ROOMS KW water treatment KW boiler house KW sodium-cation exchange filters KW reverse osmosis KW energy efficiency KW environmental safety KW residential complexes JO INDUSTRIAL THERMAL POWER ENGINEERING AU Sidorova, M.A. AU Orlovtseva, O.A. AU Portnov, V.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov