Air Treatment Corporation
David Demesa is an accomplished engineering professional with a Bachelor of Engineering in Mechanical Engineering from California State University, Fullerton. Currently serving as an Inside Sales Engineer at Air Treatment Corporation since December 2022, David has previously held roles such as Project Engineer and Engineer Intern at EMPI Inc. from September 2020 to December 2022, and Field Services Engineer at Eaton for a brief tenure in 2020. Prior to these positions, David gained hands-on experience as an Automotive Technician at Firestone from March 2017 to June 2020.
Air Treatment Corporation
Air Treatment Corporation is the leading HVAC & R manufacturer’s representative serving California, Nevada, Hawaii, Oregon and Guam since 1982. For 40 years, ATC has partnered with first-rate equipment manufacturers to deliver expert, sustainability-driven equipment, factory-certified service, and end-to-end support within our wide distribution network. We serve numerous markets, including cold storage and food processing, data centers, higher education, and sports areas. Our divisions include HVAC equipment, refrigeration, OEM service, and parts. What makes us different? We’ve shaped how businesses, contractors, and industry professionals work with HVAC & R manufacturer representatives. Our team of experts includes sales engineers, inside support teams, and certified technicians that use their industry knowledge and tools to be your reliable specialists in energy and water-saving solutions. We connect manufacturers, customers, contractors, builders, and designers through an in-depth understanding of HVAC & R equipment, personalized customer service, and relationship building that delivers long-term business results. Find out why the industry trusts us.