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Proposed changes could reduce elevator energy use

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April 21, 2010—Energy use in buildings could drop with a proposed requirement to Standard 90.1 regulating ventilation and cab lighting in elevators.

Proposed addendum df to ANSI/ASHRAE/IESNA Standard 90.1-2007, Energy Standard for Buildings Except Low-Rise Residential Buildings, takes a first step in addressing inefficiency of ventilation fans and cab lighting, both of which often operate around the clock, regardless of load or occupancy. The addendum is one of 12 proposed addenda to the standard currently out for public comment.

The American Council for an Energy-Efficient Economy and the European E4 Committee estimate elevator energy use to be in the range of 2 percent to 5 percent of total building electric consumption. "Two to 5 percent of building energy consumption is significant; beginning to realize those savings using this addendum is an important step," Drake Erbe, chair of the 90.1 mechanical subcommittee, said.

Also open for public review is proposed addendum di, which sets requirements for parking garage ventilation.

The proposed addenda to ASHRAE/IESNA Standard 90.1 are available for comment only during their public review period. To read the addenda or to comment, see the ASHRAE Web site.

   
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