This is a list of all Mandatory Provisions listed within different sections of ASHRAE 90.1-2007 This article begins with a brief outline of the document, and then provides an extended outline of all Mandatory Provisions (included in sections 5-9) for review and comprehension. For a full breakdown of the Mandatory Provisions, consult the full document See the full article →


annual fuel utilization efficiency (AFUE): an efficiency descriptor of the ratio of annual output energy to annual input energy as developed in accordance with the requirements of U.S. Department of Energy (DOE) 10 CFR Part 430. automatic control device: a device capable of automatically turning loads off and on without manual intervention. balancing, air system See the full article →


ASHRAE 90.1-2007 is the primary document for establishing the BASELINE BUILDING PERFORMANCE standard for the whole building energy simulation. The baseline building performance is the annual energy cost for a building design intended for use as a baseline for rating above standard design. An energy simulation model, or energy model, is a computer-generated representation of See the full article →