Building ventilation is the circulation of air throughout a building. The
ventilation or the heating, ventilating, and air-conditioning (HVAC) system of
a building supplies and removes air either naturally (windows) and/or
mechanically to and from a space. Building ventilation may be an important
factor determining the relationship between airborne transmission of
respiratory infections and the health and productivity of workers. Improper
operation and maintenance of HVAC systems is one of the most common problems
that impact workplace indoor environmental quality (IEQ).
There are a variety of pollutants and sources of pollutants in a building such
Diligent maintenance of HVAC system equipment is essential for the adequate
delivery and quality of building air. All well-run buildings have preventive
maintenance programs that help ensure the proper functioning of HVAC systems.
HVAC checklists to assist with maintenance and record keeping are available.
AplusA-online.de - Source: National Institute for Occupational Safety and Health (NIOSH)