Greenzone Engineering was started by Kenneth Loshelder and Ian Atkins to serve customers facing challenging environmental control problems within their facilities. Kenneth and Ian are both licensed professional engineers with more than 25 years combined experience in HVAC and more than 10 years in controlled environmental agriculture projects. We have worked together on over a hundred unique and challenging projects together, including two side by side 1300-Ton chilled water/hot water heat recovery grow facilities in Illinois, and one of the world's first 4-tiered aeroponics facility in Quebec.Â