Maintaining Indoor Air Quality

Providing the cleanest air at UNT has always been a priority for our Heating, Ventilation, and Air Conditioning (HVAC) crew. Their concern for maintaining excellent indoor air quality, or IAQ, skyrocketed during our response to the pandemic and in preparation for the fall semester. 

IAQ is essential to the health and safety of the campus community. HVAC Supervisor Chad Bourgeois and his crew of three are responsible for changing roughly 4,000 filters every 90 days. It takes hundreds of hours every month to accomplish these filter changes so the air we breathe inside of our buildings is as clean as possible. It’s an on-going endeavor in addition to the work they do to maintain the equipment that moves air throughout our buildings.  

HVAC employee maintaining air quality.

Facilities has altered some operational activities as part of our efforts to provide the highest quality indoor air. Ventilation rates have increased according to CDC guidelines, run hours have been increased so buildings have a chance to “air out,” and all buildings have been changed to higher efficiency air filters to better capture airborne contaminants.

 “I am extremely proud of my team and the work we accomplished in response to this pandemic,” says Bourgeois. 

HVAC employee fixing a condenser fan.

The team is also testing the effectiveness of air cleaning technology called bipolar ionization. These devices are installed inside of the equipment that retrieves indoor air and passes it through filters. Ions are released in these pipes that then attach themselves to anything in the air such as pollutants, smoke, dust, and pathogens such as viruses. It clumps these particles together to make them physically bigger in preparation for filters to remove them from the air.

Our HVAC teams have created a cleaner and healthier campus environment for us and continue to focus on providing the safest environment inside of our buildings. The crews work tirelessly to uphold indoor air quality standards and because the well-being of our students, faculty, and staff is their top priority.  


Monday, October 25, 2021 - 15:30