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RACA Journal Publication

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By Eugene le Roux, FSAIRAC, and Eamonn Ryan

While technical rigor defines the structural responsibilities of the system engineer, personal capability determines whether those responsibilities can be exercised effectively.

Testing presents another area where structural clarity is required. DC Studio | Freepik.com...


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By Eugene le Roux, FSAIRAC, and Eamonn Ryan

Technical mastery and structural responsibility (Part 1).

Testing presents another area where structural clarity is required. DC Studio | Freepik.com

In an era of escalating technical complexity, the role of the system engineer has evolved into one of the k...


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By Eamonn Ryan

For decades, indoor air quality standards were built on a hazards-based framework: identify contaminants and assign maximum allowable concentrations. If each limit was met, the environment was deemed safe.

This gap led researchers to seek a more comprehensive metric. frimufilms/Freepik


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By Eamonn Ryan

Indoor air quality now sits at the centre of building performance.

External factors such as wildfire smoke or urban pollution can degrade indoor air even when minimum standards are met. Pch vector/Freepik

As energy efficiency goals intersect with occupant health, ASHRAE’s Guideline 42:...


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By Daniel Orelowitz – MD at Training Force, introduction by Eamonn Ryan

For the HVAC&R industry and the broader building services trades, South Africa’s unemployment crisis is not an abstract economic statistic – it is a daily operational reality. Contractors struggle to find suitably skilled technicians, apprentices battle to secure permanent placements, ...


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