HRA Engineering & Energy Services

Electrical, Mechanical & Sustainable Engineers

Website

About the firm

HRA Engineering & Energy Services is a Bay Area-based mechanical, electrical, and plumbing (MEP) engineering practice that delivers sustainable design and engineering services for public and private sector clients. Founded by Hamid R. Arbabaraghi, who brings over 20 years of consulting engineering experience, the practice provides complete planning, design, and construction engineering for mechanical, electrical, plumbing, telecommunications, and electronic security systems. It also specializes in renewable energy design-build packages, including photovoltaic solar power and wind turbine installations, maintaining offices in San Francisco and Fairfield, California.

Team
Small
Firm type
MEP · Electrical Engineering · Mechanical Engineering · Design-Build

People

Hamid R. ArbabaraghiFounder

Capabilities

Mechanical Engineering

Service website

Provides thermal, fluid, and HVAC design solutions for complex building environments and clinical laboratories.

  • Heating, Ventilation, and Air Conditioning (HVAC) Systems
  • Sanitary, Storm Drainage and Disposal
  • Water Supply, Gas and Compressed Air
  • Clinical and Laboratory Services
  • Fuel System and Storage Tank Design
  • Air Quality Analysis

Electrical Engineering

Service website

Delivers robust power distribution, emergency generation, and lighting systems optimized for energy efficiency.

  • High/Medium/Low Voltage Electrical Systems
  • Power Distribution Systems
  • Emergency and Uninterruptible Power Systems
  • Lighting Systems
  • Energy Analysis
  • Lightning Protection

Life Safety Engineering

Service website

Implements integrated fire detection, alarm systems, and smoke evacuation paths to protect facility occupants.

  • Fire Alarm Systems
  • Smoke Evacuation Systems

Telecommunications Engineering

Service website

Designs structural pathways, cabling infrastructure, and equipment rooms to support modern data and voice networks.

  • Horizontal and Vertical Raceway Systems
  • Horizontal and Vertical Cabling Systems
  • Patch Panel, Splicing and Termination Design
  • Copper and Fiber Cabling Design
  • Equipment Selection

Electronic Security Systems Engineering

Service website

Develops commercial monitoring, access control, and intrusion prevention systems to protect critical physical assets.

  • CCTV Camera Systems
  • Card Access Systems
  • Intrusion Systems

Renewable Energy Design-Build

Service website

Packages complete engineering, procurement, and construction for wind turbine and photovoltaic power installations.

  • Photovoltaic Solar Power Design-Build
  • Wind Turbine Installation Design-Build

Building Assessment and Advisory

Service website

Evaluates existing facility systems through computerized modeling, value analysis, and thorough field surveys.

  • Building Surveys
  • Computerized Building Energy Analysis
  • Value Engineering
  • Feasibility Studies
  • Restoration Projects

Construction Services

Service website

Provides quality assurance, collaborative delivery, and system commissioning from project inception to completion.

  • Design/Build Contracting
  • Design/Assist Contracting
  • Commissioning

Industries

Education · Healthcare · Government · Commercial · Residential · Multifamily Residential · Data Centers · Hospitality · Renewable Energy · Laboratories · Airports · Arts & Culture · Defense · Public Safety · Justice & Corrections · Historic Preservation · Food & Beverage

Projects

UC Berkeley Hearst Gym

Berkeley, CA · Education · Client: UC Berkeley

Project details

Mechanical and electrical engineering services for the historic university gymnasium building.

UCSF Mission Bay QB3 Laboratory

San Francisco, CA · Laboratories · Client: UCSF

Project details

Engineering design services for the laboratory facility, including specialized server room infrastructure.