ASHRAE 100 Users’ Guide: ASHRAE Standard 100-2018 Energy Efficiency in Existing Buildings

The purpose of this User’s Guide is to provide additional explanation, examples, and reference material to supplement Standard 100. It is intended to provide useful material for the primary parties named in the standard, including but not limited to policy makers and program implementers to use the standard. This guide was developed with support from BC Hydro, the Province of British Columbia, and the Northwest Energy Efficiency Alliance (NEEA), and in partnership with the University of British Columbia (UBC) and the State of Washington Department of Commerce.

RDH Building Science, Inc. is the principal author and editor of this guide. It was developed by with support from BC Hydro, the Province of BC, and the Northwest Energy Efficiency Alliance (NEEA), and in partnership with the University of British Columbia (UBC) and the State of Washington Department of Commerce.