The condenser is needed for cooling down the refrigerant that has become heated during compression in the compressor. The hot refrigerant gas flows into the condenser, discharging heat to the surroundings. The refrigerant becomes fluid again as a result of cooling: the hot gas flows at the top into the condenser and transfers heat to the surroundings via the pipe and fins. As a result of cooling down, the refrigerant exits the condenser at the lower connection in liquid state.Behr Hella Service - Engine Cooling and Air Conditioning for Passenger Cars and Heavy Duty Trucks. With more than 1000 quality parts,Behr Hella Service offers a wide range for European cars and Heavy Duty Trucks. Our customers benefit from the combined expertise of BEHR and HELLA. Over 100 years of technical knowledge, quality focus and unparalleled service. This means, an ideal combination of products and service for your business. HELLA’s Sales organization plus BEHR’s extensive OE product knowledge form Behr Hella Service.