Robert A. Holtzmann

Robert A. Holtzmann

Instructor of Technology and Occupational Sciences

Office: 128-B Jacobetti Complex
Phone: 906-227-1526

Biographical Profile

Robert Holtzmann has been with NMU for six years and is currently teaching heating, ventilation, air conditioning and refrigeration classes. His experience includes plumbing and heating installation and HVAC equipment sales, and he has worked as a heating and air conditioning service technician, a branch manager for a HVAC sales company and technical support person for a HVAC equipment distributor. 

Courses Taught

HV 171: Basic Heating
HV 173: Heating Systems I
HV 270: Heating Systems II
HV 170: Electricity for HVAC and Trades
HV 273: Comfort Systems Design
IM 220: Industrial Maintenance: Pumps


  • A.A.S., Northern Michigan University
  • B.S., M.S. (forthcoming), Northern Michigan University
  • EPA Certification