ASHRAE标准105提供了确定和报告建筑能源性能的方法，以便比较新建筑和现有建筑的设计和运行策略，制定新的建筑能源性能标准，并报告与建筑运行相关的温室气体排放。修订后的2021版标准105是以代码意图语言编写的，以便于其参考或通过执行当局。标准105附有可下载的补充文件，包括规范性附录A、B、C、D、E和F中所示的表格。

ASHRAE Standard 105 provides methods for determining and reporting the energy performance of buildings in order to compare design and operation strategies in new and existing buildings, develop new building energy performance standards, and report greenhouse gas emissions associated with building operation.The revised 2021 edition of Standard 105 is written in code-intended language to facilitate its reference or adoption by enforcement authorities.Standard 105 is accompanied by downloadable supplemental files that include the forms shown in Normative Appendices A, B, C, D, E, and F.