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Risk management is often overlooked when selecting HVAC equipment—but it shouldn’t be. Inadequate ventilation and poor airflow control can lead to serious building performance issues, occupant health risks, and potential litigation.
✅ Moisture & Mold Growth – Insufficient outdoor air intake creates negative pressure, pulling in unconditioned, humid air through gaps. This can lead to moisture buildup and mold inside walls, especially in humid climates.
✅ Dust & Poor IAQ – In dry environments, negative pressure draws in dust and dirt particles, degrading indoor air quality (IAQ) and increasing airborne allergens and irritants.
✅ Sick Building Syndrome (SBS) & Building-Related Illness (BRI) – Poor IAQ can cause occupant discomfort, headaches, and respiratory issues. SBS symptoms disappear after leaving the building, but BRI can cause long-term health problems.
✅ Improper Building Pressurization – Without proper airflow measurement, a building can become:
• Too negative – Doors become difficult to open and slam shut due to pressure imbalance.
• Too positive – Doors stay open, energy costs increase, and air distribution is inefficient.
Maintaining slightly positive interior pressure prevents uncontrolled infiltration that can lead to IAQ problems and occupant discomfort.
✅ GreenTrol’s thermal dispersion airflow sensors and integrated controls provide precise outdoor air measurement, ensuring:
• Proper ventilation and pressurization
• Balanced IAQ to protect occupant health
• Energy efficiency by preventing over-ventilation
By accurately measuring airflows in outdoor, supply, return, and exhaust air systems, GreenTrol solutions help minimize risk, prevent costly issues, and ensure compliance with ventilation codes.
Ensure precise airflow measurement and control.
Maintain IAQ with real-time airflow data.
Optimize fresh air intake based on occupancy.
