Innovative Design. Proven Performance. Local Expertise.

At Precision Mechanical, our engineering team provides complete design solutions that power and support the region’s most diversified projects. Serving Rapid City, Spearfish, and the greater Black Hills area, we specialize in designing systems that are efficient, reliable, and tailored to each building’s needs.

We proudly offer engineering services for commercial, residential, industrial, and institutional projects.

HVAC Engineering

Our HVAC engineers design systems that balance performance, efficiency, and comfort. Every solution is customized to fit the size, scope, and function of the space.
Services include:

  • Ground source and geothermal systems
  • Central plant systems
  • VRF systems
  • Passive heating and cooling
  • Building controls and automation systems
  • Indoor air quality
  • Energy recovery systems
  • Energy analysis
  • Humidity control
  • Kitchens

Plumbing Engineering

We create plumbing systems designed for long-term performance and compliance with all applicable codes. Our engineers focus on safe, efficient, and sustainable system designs.
Services include:

  • Waste, vent, and storm systems
  • Natural gas piping
  • Mechanical piping
  • Chemical waste
  • Booster pumps
  • Rainwater collection and storage
  • Central heating and cooling plants
  • Domestic water
  • Chiller plants
  • Hydronic heating
  • Med gas
  • Geothermal systems

Design-Build Engineering

Our design-build model provides a single source of accountability, ensuring efficiency and accuracy from concept to completion.
Capabilities include:

  • Construction administration
  • AutoCAD and BIM modeling
  • Project planning
  • Cost management
  • Drafting
  • Quality control

Investigative Services

We help clients optimize system performance and reduce operational costs through analysis and testing.
Services include:

  • Thermal imaging
  • Retro commissioning
  • Duct and pipe leakage testing
  • LEED accreditation support
  • Indoor air quality evaluation
  • Energy modeling and lifecycle analysis
  • Facility mechanical systems analysis

Electrical Engineering

Our electrical engineers design safe, efficient, and cost-effective systems for buildings of all sizes and uses.
Services include:

  • Lighting design and control
  • Fire alarm systems
  • Security systems
  • Lighting and surge protection
  • Electrical planning and design
  • Power distribution
  • Load calculation
  • Service design
  • Equipment coordination
  • Construction administration
  • Emergency power
  • Cost estimating
  • Life safety

Professionally Registered In

Wyoming* Montana* North Dakota* Nebraska* Minnesota* South Dakota** (*Mechanical **Mechanical & Electrical)