AS 1668.1Current
Fire and smoke control in HVAC systems
Governs smoke control and fire mode operation of HVAC systems - critical for duct/damper design on jobs needing fire engineer sign-off.
AS/NZS 5141Amended
Safety of equipment employing flammable refrigerants
Safety requirements for equipment using flammable (A2L/A3) refrigerants such as R32 and R290.