Founded in 2009, GreenTrol Automation was built on decades of expertise in airflow measurement and control. Created by key designers of EBTRON—a leader in thermal dispersion airflow measurement since 1984—our mission is to provide high-quality, application-specific controllers with integrated airflow measurement at an affordable price. With over 30 years of experience in design, manufacturing, and controls, GreenTrol delivers cost-effective solutions tailored for light commercial HVAC systems. Our innovative product line includes airflow measurement devices, application-specific controllers, CO₂ sensor systems, and occupancy counters—offering a comprehensive, single-source solution for modern ventilation and air quality control. At GreenTrol, we are committed to precision, efficiency, and affordability, helping designers and building owners achieve optimal indoor air quality and energy performance.