Phillips & Temro Industries (PTI), a portfolio company of the Audax Group, has acquired Idle Free Systems.  Madison, WI-based Idle Free provides “idle-elimination auxiliary power unit (APU) solutions” for over-the-road, day cab, and vocational trucks. Terms of the deal were not disclosed. 

“This acquisition is an outstanding fit for PTI,” said Butch Sumpter, CEO of PTI. “Idle Free Systems is a highly innovative provider of complete, year-round idle elimination solutions for heavy-duty and work trucks. We look forward to working with the Idle Free Systems team to create further value for our customers.”

“This is an exciting development for our employees and customers,” noted Robert Hopton, CEO of Idle Free. “PTI’s engineering and technical resources as well as their global reach will enable us to continue to grow the company. I look forward to working with Butch Sumpter and the broader PTI team.”