Breen Design Group
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BUILDING SYSTEMS ENGINEERING:

​​MECHANICAL, ELECTRICAL, PLUMBING & FIRE

​& LIFE SAFETY


BREEN opened its doors as a Mechanical consultancy in 1997. BREEN’s expanded Building Systems Department now provides Mechanical, Electrical, Plumbing and Fire Protection and is active in a wide variety of project sectors, including Federal, educational, commercial offices, healthcare, retail, hospitality, multifamily and mixed use developments and renovations.

BREEN’s MEP engineers are comprised of both seasoned professionals and young innovators bringing fresh perspective, innovation, and efficient design. BREEN Engineers are LEED AP accredited and have successfully designed projects to Silver, Gold and Platinum standards.

Our MEP Engineers are equipped with a full toolbox of software, providing computer models for lighting designs, thermal energy performance evaluation, electrical and hydraulic calculations and ventilation systems.

BREEN was quick to embrace the evolving world of 3D modeling. Our project managers and drafters are highly proficient with Revit, having completed numerous projects utilizing this revolutionary design software.
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Paul Breen, P.E., LEED AP
President/CEO

Des Mahony, P.E., LEED AP
COO /
​Vice President
Contact Me
We pride ourselves in providing efficient, practical and cost-effective designs.  Many projects are designed in coordination with our Civil and Structural departments, creating savings and simplified planning for our clients."
PAUL BREEN

Our aim is to form strong partnerships with clients by adding value, sharing expertise and delivering world-class service to each of our customers, regardless of project size." 
DES MAHONY 

Torrance Office

1983 West 190th Street, Suite 200
Torrance, CA 90504
T: 310.464.8404

© Copyright - Breen Design Group - 2001-

  • About Us
    • Our Firm
    • Philosophy
    • News
  • Services
    • Architecture
    • Building Systems >
      • Mechanical
      • Electrical
      • Plumbing
      • Fire Life Safety
    • Civil
    • Structural
  • PEOPLE
    • Senior Management Team
  • Projects
    • Architecture >
      • Residential
      • Education
      • Commerical
    • Net Zero Design
    • Housing & Mixed Use >
      • Senior Living
      • Adaptive Reuse
      • Conventional
      • Affordable
      • Mixed Use
      • LEED Design
    • Educational Facilities >
      • k-12 Projects
    • Commercial >
      • Tenant Improvements
      • Retail
      • Hotels
      • Restaurants
    • Parks & Recreation
    • Federal & Government
    • Commissioning
  • Careers
  • Contact Us