[:en]Design standard for energy efficiency of residential buildings in Hebei (75%)[:zh]河北省居住建筑节能设计标准(75%)
[:en] [DB13(J) 185-2020] This Hebei Province Engineering Construction Standard “Design standard for energy efficiency of residential buildings(75%)” is managed by Hebei Provincial Construction Standardization Compilation Research Center,and edited by NORENDAR international Ltd., and NGreen Architectural Design Co. Ltd.,which has been approved by the Hebei Provincial Department of Housing and Urban-Rural Development to organize relevant departments […]