Uniquely Airflow HVAC Solutions, Manufacturing & Precision Fabrication Airflow Engineering (SI) Ltd, known simply as Airflow, is a Christchurch-based family business specialising in HVAC solutions, ducted system design, custom manufacturing, sheetmetal fabrication, and precision fibre laser cutting. With over 34 years of industry experience, we support installers, builders, manufacturers, contractors, and homeowners with practical advice, quality products, and reliable service. From ducted heat pump systems, zoning solutions, custom plenums, and fresh air ventilation through to laser-cut components and sheetmetal fabrication, Airflow combines design, manufacturing, and supply under one roof. Serving residential, commercial, industrial, and manufacturing sectors throughout New Zealand, we are committed to delivering practical solutions backed by experience, innovation, and family values.