outdoor-air intake

outside-air intake

An opening or inlet through which outside air is brought into an air-conditioning system or into a boiler room. Also called a fresh-air intake.
References in periodicals archive ?
However, energy savings differ (Figure 12) when the return-air relative humidity is 50%, outdoor-air relative humidity is 70%, and outdoor-air intake ratio is 20%.
The energy-saving rate changes when application details, such as outdoor-air humidity, outdoor-air intake, and HVAC system types, are taken into consideration.