Variable refrigerant flow (VRF) systems were first introduced to the HVAC community in Japan in 1980 as a highly efficient heating and cooling option in multi-zone comfort applications.

The future of classroom environments just got a little quieter, thanks to the recent certification of Changeair’s Freshman Series Vertical Air Handler by the Air Movement and Control Association (AMCA) Intl. Inc.

NATE certification means something because it involves a commitment and reflects reliability and proficiency. According to NATE, around 34,000 technicians have reached that status, with over 5,300 contractors getting their own certifications.

“I really enjoy the customer service aspect of the job,” Terfehr said. “I’ve learned a great deal about all the different products we sell and have gained a great deal of knowledge through manufacturer training.”

The goal of this eBook is to shed some light on the certification process—we will introduce readers to the multiple certification organizations within the industry, as well as spell out the advantages of getting technicians certified.

There is a gap between the number of qualified techs and the number of jobs that will need to be filled. The efforts of technicians, contractors, distributors, and manufacturers to address this widening gap through their support of NATE, are evident in this eBook.