Hager Environmental & Atmospheric Technologies, LLC, founded in 2009 and based in Knoxville, Tennessee, is dedicated to revolutionizing the vehicle emission testing industry. The company's core mission is to provide advanced, touchless remote-sensing technology to accurately detect and measure environmentally critical gases emitted by moving vehicles. Their flagship product, EDAR (Emissions Detection And Reporting), uses eye-safe laser technology to perform these measurements, offering a significant improvement over traditional methods. HEAT primarily focuses on markets in North America, Europe, and the Middle East.

Notable affiliated individuals include Dr. J. Stewart Hager, a key figure in the company's development. HEAT has garnered attention and investment from various environmental and technological sectors due to its innovative approach. Key achievements include the successful deployment of EDAR technology worldwide, providing accurate real-time data on vehicle emissions. The overall impact of HEAT's technology is substantial, contributing to better air quality monitoring and regulatory compliance, thus supporting global environmental sustainability efforts.