Team member prefabricating plumbing system componentsMarelich Mechanical offers full lifecycle mechanical contractor services throughout the San Francisco Bay Area and Central Valley.

We can meet the increasing demand of today's constantly changing facilities environment.

No matter how large the project or complex the challenge, our team of experts provides complete mechanical services, from innovative design/build and value engineering options, to leading-edge project delivery strategies, custom-made HVAC and plumbing system components, and energy-efficient technologies.

Whether your project involves HVAC or plumbing systems, central plants, wastewater treatment operations, or high-purity process piping systems, you get facilities that are built better, more efficient, and deliver greater value.

Mechanical Services

  • Clean Room
  • Custom Duct Work
  • Fabrication/Prefabrication
  • Heating and Cooling Services
  • HVAC
  • High Purity Systems
  • Industrial & Process Piping
  • Medical Gases
  • Plumbing Construction
  • Single & Combined Cycle Cogeneration & Fuel Cell Installation

Additional Services

  • Design/Assist & Design Build
  • BIM (Building Information Modeling)
  • Commissioning & Start Up
  • Component Pre-Fabrication
  • Conceptual Estimating
  • Fast-track
  • Green Building Construction
  • Scheduling & Planning
  • System/Equipment Selection & Pre-Purchasing
  • Value Engineering/Pre-Construction Services