ASHRAE 100-2018 PDF

ASHRAE/IES Standard 100 provides criteria for reduced energy consumption through improved energy efficiency and performance in existing buildings.

Among changes to the 2018 edition of the standard are the following:

• Updated Purpose to more clearly state the goal of the standard.
• Addition of normative primary energy EUI target tables in Sections 7 and 10 and in Normative Annex A, and a primary energy EUI calculation option in Annex A, to add an alternative compliance path for the qualified person seeking compliance with the standard
• Clarification of energy audit requirements for buildings without energy targets by qualifying when a Level 1 audit can be used to comply with the standard
• Addition of new Informative Annex M to provide guidance on selecting the appropriate building type