For over 55 years, ETI has designed and built environmental control systems that customers can trust in harsh, real-world conditions. From waveguide dehydrators to Snow Switch® solutions, our products protect critical infrastructure for airports, military, government, and industrial partners across the globe. As an American-owned, Indiana-based manufacturer, we prioritize reliability, traceable sourcing, and long term support with no shortcuts. Today, alongside ETI FAB and ETI Controls, we continue to expand our capabilities while staying true to the same mission: keep people, equipment, and operations safe with systems that is built to last.