Sets out the requirements for air handling systems which ventilate enclosures by mechanical means. It sets minimum requirements for preventing an excess accumulation of airborne contaminants, or objectionable odours. It does not prescribe other requirements associated with comfort such as temperature, humidity, air movement or noise. The Standard also includes requirements for natural ventilation at carparks. Road tunnels are not addressed in this Standard.

Contains up to 3 historical editions and related amendments

AS 1668.2-1991

The use of mechanical ventilation and air-conditioning in buildings, Part 2: Mechanical ventilation for acceptable indoor-air quality