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Healthy Indoor Environments:

The First Step To Protecting Human Health    

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Most technologically advanced chamber testing facility in the world.

UL AQS simulates indoor conditions and captures precise emissions measurements from finished products, components, materials and processes.

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A Closer Look at UL AQS 

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Product and Process Innovation

Chemical and Particle Emissions Testing
Using Environmental Chamber Technology

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UL Air Quality Sciences, Inc. (UL AQS) provides unprecedented expertise in evaluating systems, products, and materials for their impacts on the indoor environment.

As a global leader in the design, development, and application of environmental chamber technology, UL AQS has tested more than 70,000 products across multiple industries and catalogued over 10,000 product-specific chemicals.

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News & Events

Friday, December 9, 2011
(Atlanta, Ga.)―AQS announced its release of Children’s Health and Chemical Exposure: Beginning Risks, as part of October’s Children's Health Month. The landmark white paper examines the implications of chemical exposure and indoor air quality (IAQ) on children’s health, as well as the ways by which physical differences, socioeconomic status, and activity patterns increase overall risk.
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From The Blog

Odors are one of the most common indoor air quality (IAQ) complaints, and among the most elusive to resolve.
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FAQ

  • How does indoor air compare to outdoor air?

    Indoor air can be as much as 100 times more polluted than outside air. These pollutants pose serious environmental threats to people.


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