Laminar Flow Testing
Regulatory Guidance / Test Methods:
We offer testing, certification, and maintenance of Laminar Flow Hoods. We certify HLFs to meet IEST-RP-CC-002.4, and manufacturer’s standards. Our reports are supplied electronically same day.
HLF tests should be conducted whenever units are installed, moved, or following any significant maintenance.
Primary Services
Airflow Velocity
Ensures that the air in the work area is unidirectional and performing as intended, preventing contamination incidents.
HEPA integrity testing
Documents leakage or defects and ensures HEPA filters for cleanroom provide the required filtration.
Additional Services
General Repair
We can repair any faulty equipment
Filter replacements
Replace any faulty / non-fixable HEPA filters.
Particle counting
Performed in accordance with ISO14644-1 and reports the amount of particulate, if any, in the workzone.
Viable air and surface sampling
Determines if any bacterial and fungal contamination is present.
ABOUT
Why Choose Class 1 Air
The Midwest’s largest single source for all of your air quality and certification needs. Our dedication to training and industry accreditations is demonstrated by having the LARGEST service team in the Midwest. Our technicians are NSF49* and (CETA) CNBT-RCCP- SCF** accredited.
We utilize cutting edge training facilities along with the most recognized names in the industry. Educational institutions include the Eagleson Institute, CETA, NEBB, Harvard School of Public Health, IEST, Research Triangle Park, CDC, NIH and various manufacturers of clean air devices.
Our service team has accredited technicians to maintain your cGMP, USP797/800 and NSF49 mandated certification cycles along with emergencies and project deadlines. Our dedicated staff truly cares and we are proud to serve you. We have offices in Milwaukee, Madison, and Chicago to serve your needs across the midwest

Experience
20 years of company history

Quality
Highly trained technicians (average 10-year tenure)

Report Turnaround
2 weeks for cleanrooms, same-day for hoods, BSCs, etc.

Urgency
We take emergency calls seriously. We can get technicians on-site quickly

People
Founder and employee-owned. Certified minority business enterprise

Our Locations
We are a regional service provider
We have offices in Milwaukee, Madison, and Chicago to serve your needs across the midwest. Class 1 Air is your single source company for air filtration products and critical environment compliance testing. We proudly serve the upper Midwest. Our company is committed to leadership throughout Wisconsin and the Midwest in biological safety.
We primarily service the below states: