Marc Kinseth, President

Marc came to Sun Mechanical in 2005 after 20 years in Davenport, Iowa, where he held many positions at a mechanical contracting firm. He earned a B.S. in Construction Engineering from Iowa State University. Marc has worked in mechanical contracting all of his life, having grown up in his family’s plumbing business. As President of Sun Mechanical, he leads a staff of more than 200 employees on major mechanical construction projects throughout Southern Arizona.

An active member of the community, Marc serves civic organizations such as Tucson Conquistadores, the New Centurions, and the DM 50. He is also a member of the Arizona Builders Alliance (ABA), American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), and the Tucson Chamber of Commerce.


Eric Buchholz, Director of Operations

Eric joined Sun Mechanical seven years ago and has nearly 20 years of experience in the construction business. His experience includes many aspects of construction, from extensive shop fabrication to field operations as a Project Manager. Eric manages construction activities, including preconstruction, CAD/BIM services, project management, and Service Division activities. 

Eric holds a B.S. in Mechanical Engineering from the University of Minnesota and a Master's in Business Administration from St. Ambrose University. He is Past Chairman of the Arizona Builders Alliance and formally served as President of ASHRAE.