TY JOUR TI METHODOLOGY FOR ASSESSING THE EFFECTIVENESS OF ENERGY SAVING MEASURES BY TECHNICAL AND ECONOMIC INDICATORS KW energy saving KW reduced costs KW one-time costs KW heat consumption JO Modern Technologies and Scientific and Technological Progress AU Kuz'min, S.I. AU Kamolova, E.A. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»