Excellent Reviews

Serving Since 1986

100% Satisfaction

Innovative Solutions

Professional Service

Pro Msi


(509) 483-1305

Design Build

Expertise to design, install, commission and maintain your facilities.

Complex mechanical, HVAC/R and electrical construction is the core of what Pro Mechanical does best. Through continuous improvement and innovation like VDC/BIM, we stand out in the industry.

We closely collaborate with building owners, developers, designers, engineers, tenants and industry partners to establish the best solution to meet your needs


  • Air quality
  • Design Build
  • Electrical systems
  • Heating and air conditioning solutions
  • Surveillance and security
  • VDC / BIM


  • Air Conditioning
  • Architectural
  • Boiler Breeching and Venting
  • Clean Rooms
  • Data Center
  • Duct Testing
  • Heating
  • HVAC Installation
  • HVAC/R, Hydronic Systems
  • Indoor Exhaust Evacuation Systems
  • Indoor Growing Environment Control
  • Industrial
  • Lifecycle Planning
  • Mechanical Design
  • Heating
  • Mechanical Installation
  • Mechanical Project Budgeting
  • Mechanical Remodels/TI
  • Mechanical System Evaluations
  • Preventive Maintenance
  • Project Management
  • Refrigeration
  • Remodel/Renovations
  • Remote Monitoring
  • System Evaluations
  • Temporary Services
  • Tenant Improvement
  • Ventilation
2020 Winner

Construction Tech Review Magazine

The annual listing of 10 companies that are at the fore front of tackling customer challenges.


Currently hiring and looking for talented individuals!