Welcome to Envanio (formally Durr CTS), your trusted global environmental technology partner dedicated to bridging the gap between industrial efficiency and environmental stewardship. We design, manufacture, install, and service innovative turnkey solutions that make industrial production and power generation processes cleaner, quieter, and more energy-efficient. Backed by more than 60 years of engineering leadership, 1,300+ professionals, and a presence across 16 global locations, Envanio specializes in custom air pollution control and heat recovery systems. Our advanced technologies effectively capture and eliminate volatile organic compounds (VOCs), hazardous air pollutants (HAPs), particulate matter, and process odors. By integrating high-efficiency thermal oxidation with advanced waste-heat recovery, we enable facilities to generate CO₂-free power, curb operating costs, and seamlessly meet the most stringent regulatory compliance standards. Alongside our core emission control expertise, our Envanio Universal business unit provides specialized industrial noise control, exhaust systems, and acoustic filtration solutions across power generation, oil & gas, and heavy manufacturing. From initial feasibility through lifelong maintenance, Envanio equips industrial leaders worldwide to achieve safer operations and meet their long-term sustainability goals.

801 O’Keefe Road

De Pere, WI 54115

USA