Don HartmanProject Manager


Don has over 30 years of experience in the plumbing and HVAC industry.  Don owned and operated his own plumbing and HVAC company for 18 years, is a master plumber by trade, IGSHPA accredited (International Ground Source Heat Pump Assocation), and retains his low voltage technicians license.  Don has worked with all facets in the industry including geothermal, solar, and radiant floor heating.  Don represents Associated Mechanical as a project manager and is responsible for daily field and office management, assisting in design and estimating, overseeing plumbing and HVAC installations, and working with owners and contractors to ensure that the projects meet the requirements, are on time and within the budget.


  • Good Samaritan Senior Living – Robbinsdale, MN
  • Bethany Lutheran Home – Alexandria, MN
  • Essex Place Apartments – Rochester, MN
  • S.M. Hentges Excavation – Jordan, MN
  • Theradyne Manufacturing – Jordan, MN
  • Scott Equipment Manufacturing – New Prague, MN
  • AG Star Arena, State Fair Grounds – St. Paul, MN
  • Cedar Ridge Arabians – Jordan, MN
  • Classic Bar & Grill – New Prague, MN
  • OK Corral Restaurant – Jordan, MN
  • Irene Woods Senior Living – Memphis, TN