Deratec Pty Ltd is an Australian engineering consultancy specialising in advanced, simulation-based solutions for efficient and compliant building design. We partner with clients across residential, commercial, and industrial sectors, applying cutting-edge tools to optimise performance, meet compliance, and support sustainable outcomes.

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Our expertise encompasses ventilation, energy, acoustics, and façade performance, all aligned with NCC Section J and leading international standards.

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Our Expertise Includes:

• CFD Lab – Virtual Testing for airflow, rain resistance, acoustics and wind loading of ventilation and façade products.

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• Advanced CFD Modelling for thermal comfort, cooling, ventilation, wind, smoke and air quality analysis.

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• Car Park Ventilation CFD for performance-based design and compliance assessments.

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• Façade Thermal, Condensation & Acoustic Analysis for building envelope performance and compliance.

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• Section J, JV3 & Ventilation for NCC compliance, performance solutions and ventilation assessments.