Commercial air ducts do not automatically need routine cleaning, and there is no substantiated universal claim that cleaning cuts airborne particles by a fixed percentage or saves a fixed amount of energy. Those outcomes depend on the building and would need appropriate measurement.
Build a site-specific maintenance plan
EPA's office-building guidance emphasizes pollutant-source management, ventilation, filtration, and building operation. Facility managers should document the issue, review equipment guidance, and coordinate with a qualified HVAC professional before authorizing work.
EPA's residential duct-cleaning guide says routine cleaning has not been shown to prevent health problems; it is not a substitute for commercial building codes, safety requirements, or an assessment of the actual system.
Local next steps
In Hampton Roads neighborhoods such as Little Creek, a photo inspection can document an accessible duct concern before service is recommended. If the concern is a pest entry point rather than duct debris, Universal Pest in Virginia Beach serves the region. Compare the tier-specific benefits of the Total Home Health plans.