Occupant satisfaction in office buildings has been correlated to the indoor environmental quality of
workspaces, but can also be influenced by factors distinct from conventional IEQ parameters such as
building features, personal characteristics, and work-related variables. A previous study by the authors
analyzed occupant satisfaction in LEED and non-LEED certified buildings on a subset of the Center for the
Built Environment survey database featuring 21,477 responses from 144 buildings (65 LEED-rated). The
data suggested that, when evaluated comprehensively, there is not a practically significant influence of
LEED certification on occupant satisfaction. The aim of this paper is to investigate the impact on users’
satisfaction in LEED and non-LEED certified buildings of factors unrelated to environmental quality,
including consideration of office type, spatial layout, distance from window, building size, gender, age,
type of work, time at workspace, and weekly working hours. The results show that such factors statistically
significantly influence the difference in occupant satisfaction in LEED and non-LEED certified
buildings, but the effect size of such variations is, for most, practically negligible. However, tendencies
were found showing that LEED-rated buildings may be more effective in providing higher satisfaction in
open spaces rather than in enclosed offices, in small rather than in large buildings, and to occupants
having spent less than one year at their workspace rather than to users that have occupied their
workplace for longer. The findings suggest that the positive value of LEED certification from the point of
view of occupant satisfaction may tend to decrease with time.
Occupant satisfaction in office buildings has been correlated to the indoor environmental quality ofworkspaces, but can also be influenced by factors distinct from conventional IEQ parameters such asbuilding features, personal characteristics, and work-related variables. A previous study by the authorsanalyzed occupant satisfaction in LEED and non-LEED certified buildings on a subset of the Center for theBuilt Environment survey database featuring 21,477 responses from 144 buildings (65 LEED-rated). Thedata suggested that, when evaluated comprehensively, there is not a practically significant influence ofLEED certification on occupant satisfaction. The aim of this paper is to investigate the impact on users’satisfaction in LEED and non-LEED certified buildings of factors unrelated to environmental quality,including consideration of office type, spatial layout, distance from window, building size, gender, age,type of work, time at workspace, and weekly working hours. The results show that such factors statisticallysignificantly influence the difference in occupant satisfaction in LEED and non-LEED certifiedbuildings, but the effect size of such variations is, for most, practically negligible. However, tendencieswere found showing that LEED-rated buildings may be more effective in providing higher satisfaction inopen spaces rather than in enclosed offices, in small rather than in large buildings, and to occupantshaving spent less than one year at their workspace rather than to users that have occupied theirworkplace for longer. The findings suggest that the positive value of LEED certification from the point ofview of occupant satisfaction may tend to decrease with time.
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