ForewordIntroductionScopeNormative referencesTerms, definitions, symbols and unitsTerms and definitionsSymbols and unitsSubscriptsInput data and resultsAssumptionsBoundary conditions and input dataBoundary conditionsGeneralExternal elementsInternal elementsHeat transfer coefficientsGeometrical and thermophysical parameters of the room envelopeOpaque elementsGlazed elementsSpecial elementsAir change rateInternal gainOutput dataCalculation procedureValidation proceduresIntroductionValidation procedure for the calculation methodGeneralGeometryDescription of elementsCombination of elementsClimatic dataInternal energy sourcesVentilation patternTest resultsValidation procedure for the sunlit factor due to external obstructionsExamples of solution modelIntroductionRC three-nodes modelPresentationDetermination of the air and operative temperaturesTerms in , , , and Admittance procedureThermophysical parameters of the envelope componentsCalculation of the internal air temperatureGeneralTerms included in Thermal load Calculation of the ventilation thermal loadCalculation of the thermal load due to internal heat sourcesCalculation of the thermal load due to the ventilation solar factorMean daily value of the indoor air temperatureMean radiant temperatureOperative temperatureAir changes for natural ventilationIntroductionEvaluation of the air change rate for natural ventilationGeneralWindows on one facade onlyWindows on two facadesEvaluation of shaded area of a plane surface due to external obstructionsIntroductionCalculation procedureInternal gainsIntroductionResidential buildingNon-residential buildingExamples of calculationRoom characteristicsExample of calculation for the RC3 nodes modelAdmittance methodNormative references to international publications with their corresponding European publications