"No doubt, the next three years will be just as challenging.
"However, I'm excited at the opportunities ahead in contributing to make changes that ultimately ensure the on-going safety of the New Zealand public.
"And that will also mean fostering relationships with registered and non-registered tradespeople," he said.
Mr Hardie established River City Gas in 1997. And while he settles in for another term with the national industry board, his firm had taken on another gas service technician.
Darryl Kyte has had 26 years with the industry and his arrival brings the number of technical staff in the company to six. He spent eight years with River City Gas before moving away.