ASHRAE energy standard changes lighting, mechanical requirements
Major changes to requirements regarding building envelope, lighting, mechanical, and energy cost budgets are contained in the newly published energy standard from ASHRAE and IES.
ANSI/ASHRAE/IES Standard 90.1-2013, Energy Standard for Buildings Except Low-Rise Residential Buildings, incorporates 110 addenda, reflecting changes made through the public review process. Appendix F gives brief descriptions and publication dates of the addenda to 90.1-2010 reflected in this new edition.