Listening to Building Occupants

Power to the People

Sabotage: GreenSource’s how-to guide for occupants

New technology lets occupants work with building systems rather than against them, to improve their comfort while reducing energy costs.
By Peter Fairley

The stats on occupant comfort are disappointing, and green buildings are no exception. Consider, for example, heating and cooling performance. Thermal-comfort standard standards stipulate that such systems should satisfy at least four out of five occupants. “Very few buildings actually perform that well,” according to John Goins with the Center for the Built Environment (CBE) at UC Berkeley. Out of the 609 buildings in CBE’s database, only 13 percent meet ASHRAE’s performance threshold; among those that are LEED-certified, 20 percent make the grade.

There is increasing recognition that all that discomfort may be translating into a lot of wasted energy. Goins estimates that the average office building wastes 4 percent of its energy just by cooling and heating more than occupants want. The indirect impact could be even bigger when one considers how disgruntled occupants—who in most buildings lack an effective channel for requesting change—fight back against the machine. They may block air vents or plug in space heaters to combat excessive air-conditioning…

Excerpted from the May/June edition of GreenSource Magazine. Read the story at GreenSource.

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