RJH Air Conditioning & Refrigeration Service, LLC began as a HVAC & Refrigeration service company for Maryland, Virginia & the District of Columbia in 1998. RJH was primarily dedicated to the commercial industry. Since it's inception, RJH has branched out to become a significant supplier of food service equipment, scientific laboratory equipment and equipment rentals. RJH also manufactures commercial food service equipment, laboratory equipment and beverage dispensing equipment through its' subsidiaries located in Cincinnati, Washington DC, South Korea and Italy. We still maintain a manned 24/7 Service Dispatch Office for our Service Department. Our company has grown to be recognized as emerging small business globally.