Identify various air handling units including: Single Zone (SZ), Multi-Zone (MZ), VAV, Dedicated Outdoor Air Units (DOAS), Makeup Air Units (MAU), Outside Air Units (OA), Energy Recovery Units (ERU), and Fan Coil Units (FCU). Commission a range of fan applications including Outside Air (OA), Supply Air (SA), Return Air (RA), Exhaust Fans (EF), Toilet Exhaust Fans (TEF), garage, and stairwell fans.