Makeup air


makeup air

[′māk‚əp ‚er] (engineering) The volume of air required to replace air exhausted from a given space.

Makeup air

Outside air supplied to replace household air that was used in a combustion appliance or exhausted through a ventilation system.

makeup air

Outdoor air which is supplied to an HVAC system to replace exhaust air and any air lost by exfiltration.