My contribution to the July 2020 issue of ELECTRICAL CONTRACTOR analyzes the major lighting requirements and what’s new in the 2019 version of the ANSI/ASHRAE/IES 90.1 energy standard.
Late last year, ASHRAE, the American Society of Heating, Refrigerating and Air-Conditioning Engineers, published the 2019 version of ASHRAE/ANSI/IES 90.1, “Energy Standard for Buildings Except Low-Rise Residential Buildings,” the model commercial building energy code. For lighting, the new version most notably modifies interior power allowances, updates some control requirements and provides contractors a new simplified compliance method for office, school and retail buildings.
Read it here.