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Expert Cleanroom and Fume Hood Testing and Certification

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Integrity-Based Testing
With our cleanroom and fume hood testing and certification, we provide an airtight seal of approval that your facility meets the highest cleanliness standards.

Testing your lab’s fume hoods every year is a fundamental safety practice — and we know just how to make sure they’re up to snuff. Our comprehensive services include chemical fume hood testing and certification, tracer gas testing, and maintenance of biosafety cabinets, all completed in accordance with standards set by AIHA/ANSI, SEFA, and ASHRAE. Our skilled technicians run through a rigorous series of tests — ensuring proper inflow and HEPA filter integrity, observing smoke patterns, and documenting any leaks and defects.

Alongside fume hood testing, our services also include cleanroom testing and certification. After your space is fully balanced, our professionals take the job to a more granular level. This means ensuring that HEPA filters efficiently trap contaminants, confirming proper HVAC function, and making sure the cleanroom meets the proper ISO standard. Our commitment to accuracy and responsiveness is reflected in our thorough and detailed reporting — delivered to you within 24 hours so you can make informed, fast, and cost-saving decisions.

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We’re proud to have helped these businesses breathe, live, and work better.
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01The Airadigm Difference
Next-Day
Guarantee
Trusting us with your air balancing needs means you’ll receive a comprehensive report within 24 hours after our TAB technicians complete their work — thanks to real-time digital reporting from the field.
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02The Airadigm Difference
Quality
Assured
At Airadigm Solutions, excellence is not just a goal — it’s a standard. Certified by Airadigm Technical Academy, our highly trained technicians ensure your cleanroom is thoroughly tested and meets stringent industry standards.
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03The Airadigm Difference
Integrity, Rigor,
Precision
Our cleanroom testing and certification procedures are not just thorough, they’re honest. This means Airadigm professionals uphold uncompromising standards in measuring airflow, ACPH, airborne particulates counts, HEPA filter integrity — and beyond.

Your Questions, Answered
Everything you don’t know about cleanroom and fume hood testing and certification but want to.

01
How often do you need to certify your fume hoods?

When they work properly, fume hoods ensure a safer working environment for anyone by keeping your laboratory personnel safe from exposure to harmful substances. That’s why they should be tested and certified — at the very least — on an annual basis. Complete ASHRAE 110 testing is recommended whenever a new fume hood is installed or any time changes are made to existing hoods and equipment.

02
What safety standard guidelines do you follow?

We provide a quantitative analysis of the fume hood’s performance to determine if it meets corporate safety standards. Our technicians perform a series of tests in accordance with AIHA/ANSI Z9.5, ASHRAE-110 and OSHA. Additionally, all testing is completed in compliance with state, federal, and international safety standard guidelines.

03
Can Airadigm provide testing for USP 797 compliance?

Yes, Airadigm can perform all non-viable tests of your pharmacy in support of USP 797 compliance — ensuring that your healthcare facility maintains strict standards when handling compounded sterile preparations.

04
Does Airadigm Solutions certify biosafety cabinets?

Yes, Airadigm performs Biological Safety Cabinet (BSC) certification following NSF 49 guidelines.

05
Can Airadigm test HEPA filters?

Yes, Airadigm Solutions can perform HEPA integrity tests via aerosol leak tests.

06
Can Airadigm Solutions perform ASHRAE 110 testing on our newly constructed fume hoods?

Yes, Airadigm provides ASHRAE 110 testing, ensuring that your fume hoods work properly in your lab environment.

07
What are eddies and reversals in smoke visualization testing?

The smoke visualization test introduces smoke to the fume hood, which makes air flow patterns visible and allows our trained technician to identify if there are any eddies or reversals. An eddy is an area where the air currents swirl around in one place instead of flowing properly out of the hood, while a reversal is a localized area where air flows in the wrong direction. Either of these are an indication that the fume hood is not performing to the best of its ability.

08
How are cleanrooms classified?

Designed as a controlled environment that keeps out airborne particles, dust, and other contaminants, cleanrooms are used in industries where even small amounts of contaminants could affect quality and safety. Expectedly, cleanrooms are classified according to the level of air cleanliness inside them, based on the maximum allowable particle per volume of air. The cleanliness levels are determined by the International Standards Organization 14644-1, with ISO 1 being the highest level of cleanliness. Most applications fall somewhere between ISO 5 and 8.

09
What tests are performed to verify cleanroom performance?

Particle counts, airflow/ACPH measurements, room differential pressure verification, and HEPA filter integrity testing are the most common tests used to verify cleanroom performance.

10
How often does my cleanroom need to be tested?

Testing frequency for cleanliness in controlled environments is primarily determined by ISO cleanliness classifications. For ISO 6 and higher, which includes less stringent cleanliness requirements, testing is conducted on an annual basis. On the other hand, ISO 5 and lower cleanrooms, which have stricter cleanliness criteria, require more frequent testing every six months.

11
What factors determine what ISO class cleanroom is needed?

The ISO class required is typically determined by government regulations, industry standards, and customer needs. Depending on your industry, different applications can require vastly different levels of air cleanliness.

12
What are the most common problems for maintaining ISO cleanliness levels in cleanrooms?

There are so many factors that can affect ISO cleanliness levels —including human contamination from improper growing practices, inadequate air filtration, poor cleaning practices, and temperature and humidity fluctuations, to name a few. Not maintaining the right amount of differential pressure can also lead to contamination.

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