Zonex Systems manufactures a complete line of zone control products from a 2-zone residential zoning system to a Direct Digital Control (DDC) system that can handle up to 400 zones. We continue to develop new products and upgrade our existing product line to meet the needs of an ever-changing market. We have committed Zonex Systems to enhancing the performance of constant volume air conditioning equipment. Our customers are original equipment manufacturers, the engineering community, architects, contractors, building owners and consumers who want a comfortable and controlled environment. Zonex Systems manufactures its products at its plant in Huntington Beach, California.