About Us

Production Control Units, Inc. was founded in 1946 to provide specialized equipment to the appliance industry. Since that time, PCU has established an unsurpassed reputation for designing, engineering and building quality refrigerant and fluid processing systems and equipment used in a broad range of industries worldwide.

By first introducing Floating Ambient™ technology over fifty years ago, Sterling Production Control Units (PCU) has earned the reputation for providing industry leading high side refrigerant injection, fluid metering, and tool presentation solutions. By becoming part of the Sterling Fluid Systems family of business' in 1999, Sterling PCU has effectively extended its global reach to better serve key customers with installed equipment in over 50 different countries. Not simply equipment supplier of fluid processing and filling: refrigerant and oil charging; evacuation and dehydration; oil processing; leak testing; or tracer gas processing applications, Sterling PCU provides additional value by focusing on being a leading service provider of engineered solutions, process consultations, design, documentation, product development testing, technical field support, and technical training.