Founded in 2009 in Johnson City, Tennessee, GreenTech Environmental is a leader in air purification systems. GreenTech’s technologies are available for residential applications with portable and personal systems available and commercial applications with HVAC, PTAC, and wall-mount systems for use in office buildings, hotels, indoor stadiums and more. GreenTech Environmental is best known for its proprietary and multi-pronged air purification technology, Active Radiant Catalysis (ARC®) which continuously and actively purifies the air and surfaces in thousands of homes and commercial buildings.