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Technical
CoolTalk- Design to Disaster: Understanding Cooling Failures in High Ambient Temperatures
27 Nov 2025 10:00 to 11:00
Overview
As global ambient temperatures rise, cooling systems are increasingly pushed to their limits. This practical CoolTalk explores the real-world implications of high ambient conditions on system design, capacity, and reliability.
Participants will gain a deeper understanding of how system sizing and specification must adapt, why performance degrades under heat stress, and how to mitigate risk through better design, maintenance, and operation.
Key topics include:
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The impact of ambient temperature on cooling capacity and performance
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Understanding condensing temperatures and condenser ΔT
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Mitigation strategies for rising ambient and condensing temperatures
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Consequences of fouled coils and poorly positioned equipment
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Correct coil cleaning procedures
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Case study: 57% performance improvement and reduced failures
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Lessons from failure: The Guys & St Thomas’ data centre incident
This session is aimed at engineers, facility managers, and designers seeking practical, evidence-based insights to improve cooling resilience in a changing climate
The Presenter
Lawrence Leask delivers projects that improve the efficiency of refrigeration systems, process chillers, air handling units, pumps, and fans. From site surveys, through detailed forensic examination of service sheets, he has a history of identifying opportunities to reduce energy and optimise efficiency.
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