id author title date pages extension mime words sentence flesch summary cache txt cet-15709 cet-15709 6 .pdf application/pdf 4179 114 37 The proposed methodology for processing the results of thermal imaging inspection of a building is aligned with the method of sequential improvement of building energy system presented by Polyvianchuk et al. (2025), and firstly requires the determination of the initial parameters of the energy, environmental and economic state of the observed building, namely: the annual demand for thermal energy – π‘ž (and specific heat consumption π‘žπ‘  taking into account the total heating area π‘†β„Žπ‘’π‘Žπ‘‘π‘–π‘›π‘”); fuel consumption (natural gas is considered) 𝑉𝑓𝑒𝑒𝑙 ; pollutant emissions π‘šπΆπ‘‚2 , π‘šπ‘π‘‚π‘₯ ; expenditure of financial resources for heating π‘“β„Žπ‘’π‘Žπ‘‘. = π‘žπ‘’π‘›_π‘ π‘‘π‘Ÿπ‘’π‘π‘‘π‘’π‘Ÿπ‘’π‘  + π‘žπ‘–π‘›π‘“ + π‘žπ‘‘π‘’π‘π‘’π‘ _𝑖𝑛 + π‘žπ»π‘Šπ‘† βˆ’ π‘˜π‘Ÿπ‘’π‘” β‹… (π‘žπ‘–π‘›π‘‘π‘œπ‘œπ‘Ÿ_β„Žπ‘’π‘Žπ‘‘ + π‘žπ‘ π‘œπ‘™π‘Žπ‘Ÿ_β„Žπ‘’π‘Žπ‘‘) (1) where π‘žπ‘’π‘›_π‘ π‘‘π‘Ÿπ‘’π‘π‘‘π‘’π‘Ÿπ‘’π‘  is the thermal energy loss by the building envelope through the enclosure structures, Wh; π‘žπ‘–π‘›π‘“ is the thermal energy loss of the building due to infiltration, Wh; π‘žπ‘‘π‘’π‘π‘’π‘ _𝑖𝑛 is the heat losses from the external 500 surfaces from pipelines of internal heating system and/or hot water system (HWS), and closed regulation valves installed on the pipelines in unheated rooms, Wh; π‘žπ»π‘Šπ‘† is the heat losses from the equipment for HWS preparation, such as boilers and heat exchangers, Wh; π‘˜π‘Ÿπ‘’π‘” is the coefficient, which indicates the presence (π‘˜π‘Ÿπ‘’π‘” = 1) or absence (π‘˜π‘Ÿπ‘’π‘” = 0) of an automated β€œsmart” control heating system, non-dimensional; π‘žπ‘–π‘›π‘‘π‘œπ‘œπ‘Ÿ_β„Žπ‘’π‘Žπ‘‘ is the amount of thermal energy released by internal heat sources, such as heat from people or electronics, Wh; π‘žπ‘ π‘œπ‘™π‘Žπ‘Ÿ_β„Žπ‘’π‘Žπ‘‘ is the amount of thermal energy entering the building due to the solar radiation through external enclosing structures, Wh. cache/cet-15709.pdf txt/cet-15709.txt