United Mechanical Incorporated


Online HVAC Service Request
408.232.9000 - Office
408.228.1913 - 24/7 Service

MANAGEMENT TEAM

Both in the office and the field, UMI represents the best and brightest HVAC industry talent. Our skill sets are both specialized and diversified, which means we can create innovative solutions for our clients. Our extensive network of field employees allows us to customize and deploy a team of virtually any size, to satisfy virtually any need. And our company-wide commitment to client care means each project will be handled with the highest level of professionalism and responsiveness.

 

Jon Gundersen

Jon Gundersen

President
408.382.7183
jgundersen@umi1.com

Jon has more than 30 years experience in the HVAC industry. Prior to founding UMI, he was the Regional Vice President in charge of Bay Area operations for a statewide HVAC company. Jon has worked with local and national HVAC companies where he served as estimator and project manager, senior project manager, sales engineer, and Vice President of Strategic Accounts, respectively. Jon holds a BS in Engineering Technology (AC&R) from California Polytechnic State University. He is a member of A.S.H.R.A.E., SMACNA, SCVCA and the SJSV Chamber of Commerce.

Leonard Bertolami

Leonard Bertolami, P. E.

CEO
408.228.1917
lbertolami@umi1.com

Leonard has more than 20 years design build experience in mechanical contracting. Prior to joining UMI in early 2014, he served as Vice President in charge of the Northern California Project Group for an established west coast mechanical and plumbing contractor. Starting his career as a designer and project engineer gave Leonard the experience needed to support his successful years managing technical projects. His role as project manager grew to a regional management position responsible for training, recruiting, and executive oversight on a wide variety of projects. Leonard holds a BS in Mechanical Engineering from California Polytechnic State University - Minor in Technical Communications. He is a member of ASHRAE, DBIA, LCI, and Bay Area Council.

Bill Hadinger

Bill Hadinger

Vice President
408.382.7197
bhadinger@umi1.com

Bill has been the Chief Engineer and Sales Engineer for local and worldwide HVAC companies for more than 16 years. In this role he has managed large engineering staffs in three regional offices throughout California. Bill has an accomplished resume of design-build projects. His knowledge of HVAC and its interaction with building systems and constructability allows him to provide design options with both construction and operational savings. Bill is a Registered Professional Engineer for the State of California and a member of the SJSV Chamber of Commerce.

Neal Fox

Neal Fox

Vice President
408.382.7197
nfox@umi1.com

Neal has over 19 years of experience in design build mechanical contracting. Prior to joining UMI in early 2014, Neal served as Sr. Vice President in charge of an established west coast mechanical and plumbing contractor. Beginning his career as a project engineer gave Neal the experience needed to support his successful years managing technical projects. Neal holds a BS in Civil Engineering from University of California, Irvine.

 
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