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 in the United States. In addition to our air purification systems, we offer products to improve air circulation, heating, power management, and laundry efficiency. Technologies in harmony with Nature.