Experts in Air Cooled Heat Exchangers Established in 1968, R&R has serves the air cooled heat exchanger needs of Chemical, Petrochemical, and Natural Gas Transmission Industries. Our dedicated Thermal and Mechanical Engineers have extensive experience designing air cooled heat exchangers that provide outstanding service while adhering to customer specifications and air cooled heat exchanger industry standards. Heat Exchangers for the Most Extreme Conditions R&R air cooled heat exchangers are designed by registered professional engineers, and built for the most extreme conditions of ambient temperature and elevation. This assures our customers get the best air cooled heat exchanger on the market, designed to their application and specifications. Our advance technological tools include: proprietary thermal rating program developed by R&R Engineering, the latest computer aided drafting, and three dimensional modeling.