A Closer Look at UL AQS 

Read More
Read More

Product and Process Innovation

Chemical and Particle Emissions Testing
Using Environmental Chamber Technology

Contact Us

Healthy Indoor Environments:

The First Step To Protecting Human Health    

Learn More

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.

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.

Learn More

News & Events

    Monday, March 19, 2012
    AQS School Test Kits Offer Way for Schools to Test and Address IAQ
    Read More
    Monday, February 27, 2012
    UL AQS Expands Chamber Capacity to Support Emerging International Market Demands, Unveils New Website
    Read More
    Friday, December 09, 2011
    AQS Highlights Preventative Measures for Protecting Children’s Health
    Read More

From the Blog

    Why does our attitude about mold growth indoors keep flip-flopping? Is it bad or not bad?

    Read More

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.

    Read more FAQ.