Precision Mechanical | Heating and Cooling | Rapid City, SD

Business Description:
Precision Mechanical currently has three locations across South Dakota to serve you. Our Northern Hills branch is in Spearfish, our East River branch located in Sioux Falls, and of course our Black Hills office in Rapid City. We also serve all surrounding areas including Wyoming, North Dakota and Nebraska. Please contact us to serve any of your residential or commercial needs!
Precision Mechanical Services Include:
  • Installation of heating, ventilation and air-conditioning (HVAC) equipment
  • Custom sheet metal fabrication and installation
  • Indoor air quality systems
  • Plan service and preventive maintenance of mechanical systems
  • Temperature controls
  • Mechanical system design
  • Geothermal heat pumps
  • Solar Panels
  • Installation estimates




  • Rocky Hamley - President/Owner
    Rocky has over 13 years experience in the development of residential, commercial and industrial HVAC systems and is a graduate from the South Dakota School of Mines and Technology.
  • Steve VanDam - Vice President/Superintendent
    Steve has worked in the HVAC industry for the last 18 years. Steve graduated from the sheet metal apprenticeship program and is a licensed journeyman mechanical contractor in South Dakota as well as Wyoming.

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