McParlane & Associates, Inc. (MPA) is a full-service mechanical engineering consulting firm who delivers an integrated approach in cost-effective, energy efficient, high performance strategies for the built environment.


We are the leading provider of mechanical engineering specializing in HVAC and Plumbing design services in Southern California.  We deliver complex HVAC and Plumbing designs along with reliable and trustworthy services for Architects, Developers, Design-Build Contractors, and Owners.


Our commitment to deliver value-driven solutions for our clients make us the region’s most innovative mechanical engineering firm.



MPA is licensed in the following states:

  • Arizona
  • California
  • Colorado
  • Illinois
  • Montana
  • Nevada
  • New Mexico
  • Oregon
  • Texas
  • Utah
  • Washington

San Diego Office

4830 Viewridge Avenue, Ste. A

San Diego, CA 92123

Phone: (858) 277-9721

Fax:      (858) 277-9760

Irvine Office

2 South Pointe Drive, Suite 180

Lake Forest, CA 92630

Phone: (949) 296-3136

Fax:      (949) 296-3137

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