HLU has been developing and manufacturing supply and exhaust air systems since 1928. With 250 employees and production in Germany, HLU combines unique fan and component knowledge with decades of experience in air and environmental technology.

We deliver system solutions that synergistically combine supply and exhaust air, exhaust air purification, energy efficiency, heat recovery, sound and explosion protection and chemical resistance. At the heart of every system are durable plastic fans engineered for safe operation with acidic or alkaline exhaust air.

HLU systems are used worldwide in laboratories, in the chemical, pharmaceutical, electroplating and semiconductor industries. From engineering and manufacturing to installation, maintenance and service, HLU provides complete solutions.