room air distribution
movement of air in to, within and from indoor spaces
air changes per hour
measure of the air volume added to or removed from a space
Mixed-mode ventilation
architectural ventilation using natural and mechanical systems
controlled room air distribution
controlled ventilation using air supply and/or extraction
forced ventilation
the forced ventilation of rooms
mechanical ventilation
building ventilation driven by mechanical fans, by mechanical intake and/or mechanical exhaust fans
gap ventilation
air exchange between inside and outside due to cracks and leaks in the building mass
cross ventilation
natural movement of air through a building via openings and exits on opposing sides