High Performing Buildings - Fall 2009 - (Page 12)

The south-facing Auditor’s Department receives ample daylight. An overhang helps reduce summer heat loads. During appropriate outdoor conditions, natural ventilation is used in these sections of the building to eliminate the use of air-handling and refrigeration equipment. Appropriate outdoor air conditions are based on a combination of the outdoor air temperature and solar/ internal building loads. In natural ventilation modes of operation, building occupants manually open the windows on the north face of the building. Air enters through the windows and is relieved through internal louvers located near the skylights, above the interior offices at the back of the floor plate. Natural ventilation modes are initiated by an e-mail to occupants notifying them that they may open their windows. Also, a red/green light signals appropriate conditions. Space temperature and carbon dioxide levels are monitored at all times, and natural ventilation mode is supplemented or terminated by forced air as ventilation is required. Indoor air quality sensors in conference rooms determine the necessary quantity of outside air delivered by the HVAC system based on the number of room occupants. Significant energy savings result from reducing the amount of outside Photo © nic lehoux

Table of Contents for the Digital Edition of High Performing Buildings - Fall 2009

High Performing Buildings - Fall 2009
Contents
Commentary
Kitsap County Administration Building
McDonald's Corporation
Plano Elementary School
California Department of Education
Burns & McDonnell
Advertisers Index

High Performing Buildings - Fall 2009