SGL Systems International (SGL) is a world-class provider of HVAC solutions. Our core business is the design, supply, manufac ... ture, installation, commissioning, service and maintenance of high integrity HVAC systems and equipment with a focus on the Oil & Gas industry. SGL has been providing HVAC equipment and turnkey systems to the Oil & Gas industry for more than 25 years. The company has established its reputation based upon the timely supply and manufacture of a quality product, with many of our products still in service after more than 20 years. SGL aim to be the HVAC solution provider of choice in the Oil & Gas sector by understanding client needs and delivering industry leading solutions. read more