Particle count excursions
Loaded ductwork sheds particulate the moment airflow changes, pushing classified rooms out of spec mid-campaign.
Cleanrooms & Biological Laboratories · Metro Atlanta, GA
Full HVAC Duct Cleaning & Microbial Decontamination for Cleanrooms & Biological Laboratories | Certified HVAC Hygiene & Compliance
Regulatory compliance, operational continuity and verified air quality — delivered with zero disruption to your cleanrooms & labs operation in Metro Atlanta, GA. Certified crews, engineered containment, and a documented report at handover.
- IICRC-certified standards
- Certified biohazard technicians
- 24/7 rapid emergency response
- Video inspection included
Risks and compliance drivers in cleanrooms & biological laboratories
Cleanrooms & labs in Metro Atlanta, GA share a specific set of failure modes in their HVAC systems. Below are the four we are called about most, and the standards that govern how each one has to be corrected and documented.
Recovery-time failures
Restricted returns and fouled coils stretch recovery time past the qualification limit.
Cross-contamination between suites
Shared returns move biological load between rooms that are supposed to be independent.
Requalification cost
Uncontrolled cleaning forces a full requalification instead of a targeted one.
| Standard | How it applies |
|---|---|
| ISO 14644 | Cleanroom air-cleanliness classification and monitoring expectations. |
| IICRC-certified source removal | Verified source removal on supply, return and AHU components. |
| ASHRAE 62.1 | Ventilation rate and filtration baseline for occupied lab space. |
| OSHA / EPA | Registered antimicrobial use and technician protection during biological work. |
What duct cleaning & decontamination includes
Complete source-removal cleaning of supply, return and trunk lines, air handlers, coils and drain pans, finished with EPA-registered antimicrobial treatment.
- HEPA vacuum extraction on every accessible run
- Coil, blower, plenum and drain pan cleaning
- EPA-registered antimicrobial application with logged dwell time
- Before/after camera footage per zone
Our five-step field process
Every project follows the same sequence, whether it is one air handler or a full campus. Each step produces evidence that ends up in your handover report.
Fiber-optic & robotic camera inspection
Every system is filmed before a brush touches it. The baseline footage sets the scope, identifies damage and closed dampers, and becomes the first half of your before/after record.
Negative pressure containment & HEPA filtration
Work zones are isolated and held under negative pressure with HEPA-filtered machines, so debris leaves through the equipment instead of into the occupied building.
Mechanical agitation, brushing & vacuum extraction
Rotary brushes, air whips and compressed-air tools release bonded debris while the vacuum holds continuous capture — source removal, not surface dusting.
EPA-registered antimicrobial disinfection
Once the system is physically clean, labeled antimicrobial chemistry is applied to duct interiors, coils and pans, with product, dilution and dwell time logged.
Air quality audit & compliance report
Post-clean camera footage, airflow readings and particle counts are compiled into one report with technician credentials, standards applied and a floor-plan reference.
Cleanrooms & labs FAQ
Will duct cleaning force a cleanroom requalification?
We scope the work so it does not. Terminal filters stay undisturbed, containment is built upstream, and we coordinate with your validation group so any testing is targeted to affected rooms rather than the whole suite.
Do you take particle counts before and after?
Yes. We record a baseline count per classified room, repeat it after the system is cleaned and balanced, and hand over both sets with the technician log and camera footage.
How long does a full decontamination take?
A single air handler and its branch runs is typically one shift. Full-building programs are scoped per system so you get a phase-by-phase schedule before mobilization rather than an open-ended project.
How often should a commercial system be cleaned?
Most commercial systems fall in a three to five year cycle. High-occupancy, high-dust or high-moisture facilities move to annual or biannual intervals — we set the interval from the baseline inspection, not a sales rule.
Do you work nights, weekends and shutdowns?
Yes. Most commercial work in Metro Atlanta runs outside normal operating hours. We build the schedule around your occupancy and hand each area back clean and ready for use before your team returns.
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