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Hard-to-open doors, unexpected drafts, and migrating odors can signal a building pressurization problem. Learn how HVAC airflow affects pressure in commercial and industrial buildings, why it matters for comfort and energy use, and what to check when something feels off.

Learn how Venturi valves provide pressure-independent airflow control for laboratories, healthcare facilities, cleanrooms, and other critical environments. Explore how they work, their role in positive and negative pressure rooms, common applications, HVAC controls, and what facility managers should know.