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The HVAC industry talks about performance.
The UK enforces it.

In this episode of HVAC ADHD™, Jeremy Begley sits down with Barry Cope—CEO of the Cleaner Safer Group and a leader behind the UK’s airtightness testing infrastructure—to break down what happens when building performance becomes mandatory.

Barry oversees certification programs responsible for 90% of blower door testing in the UK, offering a rare look into what true large-scale performance tracking looks like.

This episode goes beyond tools—and into systems, enforcement, and the future of HVAC thinking.

We cover:
• How the UK standardized blower door testing across the entire country
• Why every new home is tested—and what that changes
• What billions of data points reveal about real building performance
• The relationship between airtightness, ventilation, and moisture
• Why tightening homes without system changes creates problems
• ADHD, leadership, and high-performance thinking in the trades

We also explore how HVAC professionals can move beyond equipment—and start thinking in terms of systems, performance, and long-term outcomes.

Barry's Links:

Website: https://www.cleanersafergroup.co.uk/

LinkedIn: https://www.linkedin.com/company/cleaner-safer-group/posts/?feedView=all

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Season 2, Ep. 2: Blower Door Testing, Global Standards & Airtightness at Scale