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Basics & Theory

US DOE: Natural Cooling With Fans & Ventilation
US DOE Energy Efficiency and Renewable Energy describes how some cooling needs can be met using natural ventilation, ceiling fans, exhaust fans, whole house fans, and evaporative coolers.
Issues & Performance

IRC: Effect Of Infiltration On Contaminant Concentrations
Canadian Institute for Research in Construction paper examines natural supply of outside air to dwellings and concentration of contaminants, assesses requirement for additional mechanical ventilation to meet existing standards, and quantifies energy implications of excessive infiltration and additional mechanical ventilation. (PDF)
Procedures

CMHC: Assessment Of Adequacy Of Natural Ventilation
CMHC research of homes in Ottawa, Vancouver and Saskatoon, looks at when supplemental mechanical ventilation might be needed. It confirms the need for mechanical ventilation generally, and can help builders or homeowners by showing when to activate ventilation systems. (PDF)

WBDG: Natural Ventilation
Whole Building Design Guide describes natural ventilation including introduction, description, relevant codes and standards, and additional resources.
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