Six brands.
One answer for heat transfer.

With a legacy of innovation dating back to 1879, our brands are known the world over as leaders in their respective fields. They provide our customers with the technologies and product portfolio needed to handle any heat transfer project. From custom to pre-engineered designs, API Heat Transfer offers comprehensive solutions – all from one company.

AIRTECH®

Industrial air cooled heat exchangers

AIRTECH® heat exchangers are available in bar and plate, tube and header, and micro-channel constructions. AIRTECH® coolers offer unparalleled performance in a rugged yet compact and lightweight package for industrial applications.

Industries Served

General ThermoDynamics

Air cooled systems

Established in 1884, General ThermoDynamics products employ the latest aluminum and copper-brass air cooled technologies to produce custom air cooled systems for the full range of diesel-powered equipment.