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"The lungs of our buildings are failing us." These sobering words from ventilation expert Nathan Wood capture the essence of a critical conversation about the silent crisis happening behind our walls.

After inspecting countless ventilation systems across the UK, Nathan reveals the disturbing reality that approximately 75% of residential ventilation systems are fundamentally failing to perform as designed, not just minor issues, but catastrophic failures that compromise health and safety.
Unlike plumbing leaks that create visible puddles or electrical faults that trip breakers, ventilation failures operate invisibly, silently harming occupants over years or decades. While regulations and standards continue to evolve, the practical reality on the ground shows an industry plagued by poor installation practices, inadequate maintenance, and a profound lack of accountability.

From flexible ducting crushed beyond functionality to fans venting into wall cavities rather than outside, these aren't isolated incidents but systemic failures documented daily.
The conversation explores why this crisis persists despite the solutions being relatively straightforward. A perfect storm of factors contributes: no established pathway to competency for installers, housing organisations without dedicated ventilation maintenance budgets, manufacturers focused on product sales rather than performance outcomes, and consumers who don't know what questions to ask. The experts propose practical solutions, including outcome-based specifications, proper training pathways, manufacturer accountability for installation quality, and reframing ventilation as a "safety critical aspect" of building performance.
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