HCR's technology makes the appeal of an unencumbered, wide open doorway for your workers to move about freely, safely, and efficiently a reality. From HCR’s metal cutting laser machine to their powder coating system, HCR ensures quality to all aspects of their manufacturing. HCR is also an approved UL control panel manufacturer, so customers can count on HCR to do the correct application engineering then create the appropriate air door unit for their needs. The HCR door maximizes energy with their insulated bi-parting or single sliding door, along with significantly reducing moisture and air exchange between two different temperature rooms. With more than thousands of successful installations worldwide inside the facilities of the largest, most demanding and cost conscious grocery and food distribution centers, food processing plants, refrigerated warehouses, and retail grocery stores, the HCR air door has gained an immense reputation for it's success.