Cleanroom Certification

While the pharmaceutical market is our largest business sector for testing cleanrooms, many industries use cleanrooms for research and manufacturing. Some of these are; medical device, microelectronics, Compounding Pharmacies, cleanroom garment laundries, aerospace, and injection molding facilities.

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Microbial Testing

Microbial sampling is performed to determine if fungus or bacteria are present in manufacturing or research environments, a primary concern to several industries.

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Test, Adjust and Balance

“With Test, Adjust and Balance, the goal is to make sure the HVAC system meets the design airflow and pressurization criteria. We take the design into fruition.

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Containment Equipment

The term “containment” has a very specific meaning in the air filtration world. Containment refers to high-efficiency air filters, filter housings, and components that are designed to capture (contain) gases and particulates that are extremely harmful to people and the environment.

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Lab Equipment Testing

Precision Air Technology certifies more than 15,000 pieces of equipment (biological safety cabinets, clean benches, fume hoods, etc.) a year. We are a full-service certification company, meaning we can replace parts on the equipment we test. Filters, motors, blowers, light bulbs, switches and more.

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ASHRAE 110 Fume Hood Test

Fume hoods protect laboratory technicians from harmful chemicals. The most comprehensive evaluation of fume hood performance is the ASHRAE 110 test. The mannequin (seen in picture above) mimics a lab technician, and the attached probe measures the contaminants escaping the hood under fully operational conditions. For this test, the supply and exhaust systems are set as designed, and all equipment is in place.

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HEPA Filters

Properly specifying, quoting, and providing HEPA filters requires knowledge and hands on experience in the filter manufacturing and testing processes, and in the cleanroom industry. There are many different applications for HEPA filters, and a wide variety of filters that can match each situation.

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HVAC Air Filters

Precision Air Technology sells all types of ASHRAE filters. Knowledge of these filters and the choice of filter type are very important to the protection of your air handling equipment and the cleanliness of your facility. We pride ourselves in these abilities, and our hands-on experience in solving air filtration problems and needs.

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Retrofits, Installations

Before administrative personnel returned from the COVID quarantine, our customer wanted to upgrade the filter system serving their office areas to better protect their employees against coronavirus. We inspected the existing filter system, then evaluated the airflow, resistance, and reserve capacity of the air handler.

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Precision Air Technology


At Precision Air Technology, we are proud of our long-term employees. We have 43 employees, and investing in the education of our staff has always been a focus.


12 NSF-Accredited Class II Biosafety Cabinet Field Certifiers. Three NEBB Cleanroom Supervisor certified employees. Other further education courses include The Eagleson Institute and Harvard School of Public Health.


Some of Our Clients