Recently, the Chengdu Mingyue Yufu (phase I) "passive ultra low energy consumption building" (hereinafter referred to as: passive housing) project, invested and developed by power construction real estate and undertaken by Sinohydro bureau 5 Co., Ltd., was officially certified by the German Institute of passive housing (hereinafter referred to as: Phi), the most internationally recognized authoritative professional research and certification institution. It is reported that this is also the first time that the construction field in Southwest China has filled the gap in this field and won the highest international award...