In the preface to this book the author, Hazim Awbi,
states that, during the last three decades, v... more In the preface to this book the author, Hazim Awbi, states that, during the last three decades, ventilation philosophy has been experiencing major changes. In the first decade of this period, considerable efforts were made towards understanding the mechanisms of air infiltration in buildings in order to reduce fortuitous ventilation and conserve energy. In some cases, the reduction in air infiltration created problems associated with the air quality in buildings and the generic term 'sick building syndrome' came into being. The second decade experienced concerted efforts to understand the causes of sick buildings, which resulted in the introduction of new ventilation concepts, such as the age of air, new air quality units, and a consensus for increased outdoor air flow rates. In the third decade, the emphasis on reducing energy consumption and awareness of environmental concerns has focused the minds of researchers and designers alike on the potential of natural ventilation and user control of the local environment. As a result of these changes, new ventilation standards and guidelines have been written to reflect the importance of ventilation on the quality of the indoor environment.
In the preface to this book the author, Hazim Awbi,
states that, during the last three decades, v... more In the preface to this book the author, Hazim Awbi, states that, during the last three decades, ventilation philosophy has been experiencing major changes. In the first decade of this period, considerable efforts were made towards understanding the mechanisms of air infiltration in buildings in order to reduce fortuitous ventilation and conserve energy. In some cases, the reduction in air infiltration created problems associated with the air quality in buildings and the generic term 'sick building syndrome' came into being. The second decade experienced concerted efforts to understand the causes of sick buildings, which resulted in the introduction of new ventilation concepts, such as the age of air, new air quality units, and a consensus for increased outdoor air flow rates. In the third decade, the emphasis on reducing energy consumption and awareness of environmental concerns has focused the minds of researchers and designers alike on the potential of natural ventilation and user control of the local environment. As a result of these changes, new ventilation standards and guidelines have been written to reflect the importance of ventilation on the quality of the indoor environment.
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states that, during the last three decades, ventilation
philosophy has been experiencing major changes. In
the first decade of this period, considerable efforts
were made towards understanding the mechanisms of
air infiltration in buildings in order to reduce fortuitous
ventilation and conserve energy. In some cases, the
reduction in air infiltration created problems associated
with the air quality in buildings and the generic term
'sick building syndrome' came into being. The second
decade experienced concerted efforts to understand the
causes of sick buildings, which resulted in the
introduction of new ventilation concepts, such as the
age of air, new air quality units, and a consensus for
increased outdoor air flow rates. In the third decade,
the emphasis on reducing energy consumption and
awareness of environmental concerns has focused the
minds of researchers and designers alike on the
potential of natural ventilation and user control of the
local environment. As a result of these changes, new
ventilation standards and guidelines have been written
to reflect the importance of ventilation on the quality of
the indoor environment.
states that, during the last three decades, ventilation
philosophy has been experiencing major changes. In
the first decade of this period, considerable efforts
were made towards understanding the mechanisms of
air infiltration in buildings in order to reduce fortuitous
ventilation and conserve energy. In some cases, the
reduction in air infiltration created problems associated
with the air quality in buildings and the generic term
'sick building syndrome' came into being. The second
decade experienced concerted efforts to understand the
causes of sick buildings, which resulted in the
introduction of new ventilation concepts, such as the
age of air, new air quality units, and a consensus for
increased outdoor air flow rates. In the third decade,
the emphasis on reducing energy consumption and
awareness of environmental concerns has focused the
minds of researchers and designers alike on the
potential of natural ventilation and user control of the
local environment. As a result of these changes, new
ventilation standards and guidelines have been written
to reflect the importance of ventilation on the quality of
the indoor environment.