91.040.01 Ēkas. Vispārīgi
Attēlo no 157. līdz 158. no pavisam 158 ieraksta(-iem).
ISO 24365:2022
standarts
EN
Radiators and convectors — Methods and rating for determining the heat output
147.55 €
ISO 52031:2020
standarts
EN
Energy performance of buildings -- Method for calculation of system energy requirements and system efficiencies -- Space emission systems (heating and cooling)
131.24 €