Fagerstrom Engineering, Inc. began in 1976 with the formation of Lars Fagerstrom Consulting Engineers in Walnut Creek, California. For over forty years the engineers of FE have served the mechanical and electrical engineering needs of California and abroad, with projects in seven of the United States, European, Middle Eastern, and South American countries. We thank you for your interest and the opportunity to present our services and experience.
Lars O. Fagerstrom, P.E.
Chief Mechanical Engineer, Principal

Lars Fagerstrom offers over forty years of professional experience in project management and design of mechanical and electrical systems, engineering investigations, technical studies, and service as an expert technical witness.
Mr. Fagerstrom received his Engineering Degree in Mechanical Engineering from the Stockholm Institute of Technology in Stockholm, Sweden, and is a registered professional engineer in Mechanical, Electrical, and Control Systems engineering.
Specialties
- Chilled Water Systems
- Air Conditioning Systems
- Boiler Plants
- Water Treatment
- Hot Water Systems
- Steam – High and Low Pressure
- Industrial Ventilation
- Energy Auditing
- Industrial Piping
- Heat Rejection
- Pumping Stations
- Waste Water Treatment
- Plumbing
- Electrical Power Systems
- Control Systems
- Energy Star Certification
Professional Registrations
- Mechanical Engineer #17103, State of California
- Electrical Engineer #9284, State of California
- Control Systems Engineer #4081, State of California
Professional Affiliations
- American Society of Heating, Regrigeration, and Air Conditioning Engineers (ASHRAE)
Sven E. Fagerstrom, MSE, PE
President & CEO, Principal Engineer

Sven Fagerstrom offers over twenty-five years’ experience in engineering and design of electrical and mechanical systems for building and industrial systems, and utility power generation and distribution.
Mr. Fagerstrom continues involvement in research efforts focused on practical application of engineering principles for the development and improvement of physical systems and remains actively involved with the Lyles College of Engineering at California State University at Fresno.
Noted appointments include service as an Industry Advisory Board member to the Electrical and Computer Engineering Department at CSU Fresno (2012-present), technical expert for crime scene reconstruction in support of criminal litigation (2016), smart grid technologies panel expert as appointed by Pacific Gas & Electric Co Senior Vice President (2015), Overall Project Manager for CSU Fresno’s Unmanned Aerial Systems joint venture with Edwards Air Force Base (2008-2011), and as utility distribution Smart Grid Advanced Fault Location Systems testing Project Lead at PG&E’s Technology Center in San Ramon, CA (2014-2015).
Sven Fagerstrom received his Master of Science degree in Engineering Magna Cum Laude at California State University at Fresno and was awarded the Graduate Dean’s Medal. He holds a BSEE from the same institution.
Specialties
- Power Systems
- Hydro Power Generation / Generators
- Substation Ground Grid Hazards Analysis
- Arc flash Hazards Analysis
- Fire Alarm / Life Safety Systems
- Control Systems
- Lighting Systems
- Systems Analytics / Modeling / Simulation
- Power Electronics
- Photo-Voltaic (solar) Systems
- Utility Operations
- Hydro Generator Construction / Alignment / Balancing
- Hydro Generator Startup / Test
- Systems Optimization
- Systems Forensics / Failure Analysis
- Smart Grid Fault Location / Volt-Var Optimization / Line Sensors
Professional Affiliations
- Institute of Electrical and Electronics Engineers (IEEE)
- American Society of Heating, Regrigeration, and Air Conditioning Engineers (ASHRAE)
Professional Registrations
- Electrical Engineer #20630, State of California
Publications
- “Modelling and Characterization of Power Electronics Converters Using Matlab Tools” in the book “MATLAB – A Fundamental Tool for Scientific Computing and Engineering Applications – Volume 1“, Intech, 2011, ISBN 979-953-307-774-0.
- “Buck/Boost Converter Modeling and Simulation for Performance Optimization”, IASTED 22nd International Symposia on Modeling and Simulation, Calgary, AB, Canada, 2011.
Lars M. Fagerstrom, MSW
Director of Human Resources, Project Engineer

Lars M. Fagerstrom offers over fifteen years of experience in design of electrical and mechanical systems related to heating, ventilation, and air conditioning systems, plumbing and piping, industrial control systems, PLC logic schemes and programming, and fire/life safety systems for a wide variety of building occupancies and AHJ jurisdictions, with particular expertise in hospital systems in California (OSHPD).
Specialties
- HMI Systems Design
- Electrical Control Panel Design
- C Programming
- Programmable Logic Control (PLC)
- HVAC Systems Design
- Ladder Logic
- Fire Alarm/Life Safety Systems
- Building Energy Calculations
- AutoCAD Expert
- VFD Systems Programming
- Logic algorithms and programming
- Industrial Process Control