Trevor Lefler
San Rafael, CA 94901
Lefler Engineering is a mechanical engineering consulting firm that specializes in the design and forensic investigation of HVAC, plumbing, and fire sprinklers systems.
Trevor Lefler is a licensed professional engineer and has mechanical engineering experience dating back to 2010. He is involved in about 30 forensic cases yearly, involving the installation and design of HVAC and plumbing systems and is the principal design engineer in charge of the HVAC and plumbing design for about 60 new projects yearly.
Bruce Allen is a licensed professional engineer and has mechanical engineering experience dating back to 1998. He is involved in about 35 cases involving the installation and design of HVAC and plumbing systems.
- Building Codes
- Construction
- Fire & Life Safety
- Fire Sprinkler Systems
- Forensic Engineering
- Mechanical Engineering
- Plumbing & HVAC
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: M-37725 (Trevor Lefler, California P.E.)
M-33876 (Bruce Allen, California P.E.)
M-26330 (Trevor Lefler, Nevada P.E.)
M-154041 (Trevor Lefler, Texas P.E.) - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)
American Society of Plumbing Engineers (ASPE)
National Fire Protection Association (NFPA) - Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: About 50 (Trevor Lefler)
Over 200 (Bruce Allen) - Q: For what area(s) of expertise have you been retained as an expert?
- A: HVAC and plumbing systems, fire sprinkler systems, building control systems, contract administration and closeout disputes
- Q: In what percentage of your cases were you retained by the plaintiff?
- A: About 50%
- Q: In what percentage of your cases were you retained by the defendant?
- A: About 50%
- Q: On how many occasions have you had your deposition taken?
- A: Over 20 (Bruce Allen)
Over 10 (Trevor Lefler)
- Q: When was the last time you had your deposition taken?
- A: June 2024
- Q: For how many years have you worked with the legal industry as an expert?
- A: Since 2015 (Trevor Lefler)
Since 1992 (Bruce Allen) - Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Forensic investigation and engineering, site inspections, reports, new construction design, reconstruction design
- Q: What is your hourly rate to consult with an attorney?
- A: Available upon request
- Q: What is your hourly rate to review documents?
- A: Available upon request
- Q: What is your hourly rate to provide deposition testimony?
- A: Available upon request
- Q: What is your hourly rate to provide testimony at trial?
- A: Available upon request
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Hughes, Gill, Cochrane, Tinetti, P.C.
1350 Treat Blvd., Suite 550
Walnut Creek, CA 94597
(925) 926-1200
Mr. Scott Mackey
Berding & Weil
2175 N California Blvd., Suite 500
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(925) 838-2090
Wakako Uritani
Lorber, Greenfield & Olsen, LLP
142 Sansome Street, Suite 610
San Francisco, CA 94104
(415) 986-0688
Jordan M. O’Brien
Angius & Terry LLP
1990 N. California Blvd., Suite 950
Walnut Creek, CA 94596
(925) 939-9933