A study released by the University of San Diego and CBRE reveals that employees in a green building are more productive than blue-collar workers in a standard building.
Recent studies have shown that green buildings lead to higher rental income, lower occupancy rates, and an additional premium at the time of sale. Now a new study by the University of San Diego and CBRE allows building owners to add increased worker productivity to their list of green building benefits.
Norm G. Miller (University of San Diego) and Dave Pogue (CBRE) wrote the report, which will be published in an upcoming issue of the Journal of Sustainable Real Estate.
The report’s abstract provides an introduction stating, “Healthier buildings reduce sick time and increase productivity, making it easier to recruit and retain employees. The results provided here are based on a survey of over 500 tenants who have moved into either LEED or Energy Star labeled buildings managed by CBRE.”
Employee productivity, according to the study, is effected by several things: telecommuting, health care maintenance, temperature, indoor air quality, indoor pollution, innovative work spaces and several other factors.
Inadequate ventilation, chemical contaminants from indoor and outdoor sources and biological contaminants are all side-effects of sick building syndrome (SBS). Green building rating systems, like the LEED-certification system by the U.S. Green Building Council, address these causes and guide building designers.
The research team collected responses from 534 tenants in 154 buildings that were either LEED-certified or were recognized by the EPA as an EnergyStar building. In order to determine the productivity of workers in the building, tenants were asked to report on employees’ sick days and the self-reported productivity figures after the tenant moved into the green building.
Survey respondents showed that 54.5% of tenants reported that green employees are more productive with 12 percent strongly agreeing with this statement. Additionally, 45% of the respondents noticed a decrease in sick days since their individual company moved into the green building.
Surprisingly, 10% of the tenants reported an increase in sick days taken by employees. However, every tenant represented by this 10% was in an EnergyStar rated building that was not also LEED-certified. Further research is needed to help account for the increase in sick days. This study is just the latest report that confirms the many benefits to building green, beyond the obvious reduced environmental impact of the building.




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