Trading as Airocle, IVR Group designs and manufactures natural ventilation in Picton, New South Wales, with distribution offices in Tasmania and Queensland. Its roof ventilators, louvres and smoke and heat release vents are built to AS 2427 and are NATA- and CSIRO-tested to AS 2428 for rain and wind penetration, fire performance and airflow — the three things a natural smoke vent has to satisfy at once. The company is ISO 9001 certified and services installed vents on the AS 1851 routine.