COMBINED HEATING AND COOLING SYSTEMS WITH HEAT PUMPS AND RENEWABLE ENERGY IN UZBEKISTAN: ANALYSIS OF THE REGULATORY FRAMEWORK, A CASE STUDY CALCULATION, AND THE NEED FOR A NEW METHODOLOGY - Нилуфар, Раббанакуловна Авезова; Sharipov, Kongratbay Avezimbetovich; Salomov, Uktam Rakhimovich; Kuchkarbayev, Rustam Utkurovich; Shermatova, Malika Bakhramovna (Innovatsion texnologiyalar, 2025)