API Heat Transfer is one of the largest full service producers of industrial heat exchangers and heat transfer systems in the world. Today API Heat Transfer operates from modern manufacturing facilities located in the United States, England, Germany and China, and provides local sales and service to customers through our global sales network.

API Heat Transfer markets a family of heat transfer products well respected in the industry for their innovative design, exceptional performance and reliable service.

The combination of more than 130 years of experience and the sale of >100 000 plate heat exchangers has made API Schmidt-Bretten one of the most competent, efficient partners in the heat exchange industry. A large selection of designs of SIGMA plate heat exchanger plates are available with different surface areas, corrugations, plate materials, plate thicknesses and gasket materials for all applications.. With groundbreaking plate heat exchangers, plate evaporators and thermal systems, the family of SIGMA products meets the demand of virtually all market segments in an excellent way.

The API Shell & Tube Group provides the complete range of customized shell and tube heat exchangers according to TEMA standards. In addition a series of standard types are available with extremely short lead times. API Heat Transfer provides solutions sizeable from 3″ up to 144″ diameter in various materials, constructions and pressure classes.

The API Air Cooled Group offers rugged and diverse all aluminum vacuum brazed, bar and plate construction to meet the most difficult applications while maximizing the thermal, strength and cost advantages of aluminum.
API Heat Transfer engineers and manufactures cost effective cooling solutions for engine oil, hydraulic oil, compressed air, charge air, transmission oil, fuel,
radiators and air dryers for OEM’s in Industrial, Military and Mobile Vehicle markets.