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Business Details
50+ Years
experience
Premier Mechanical Engineering Services in Fresno
Founded in 1972, Lawrence Engineering Group has established itself as the premier full-service mechanical engineering firm in California's Central Valley. With over four decades of experience, we specialize in delivering innovative mechanical engineering solutions for plumbing, fire protection, HVAC systems, commissioning, and building information modeling. Our team of licensed engineers and technical experts utilizes cutting-edge technology to create practical, energy-efficient designs that meet the evolving needs of our clients. Backed by long-standing relationships with public organizations, architectural firms, and construction professionals, we have successfully completed projects ranging from small rehabilitations to multi-million dollar developments. Our commitment to excellence is reflected in our track record of serving over fifty school districts, twenty-seven state facilities, and forty-one hospitals across the San Joaquin Valley.

Guided by a relationship-based business philosophy, we prioritize understanding client needs to deliver tailored solutions that balance functionality with cost-effectiveness. Our staff's extensive experience, with nearly a quarter of team members having served more than 20 years, ensures continuity of expertise and institutional knowledge. We maintain rigorous quality assurance through comprehensive commissioning processes and construction administration services that document project intent from concept to completion. Our engineering approach integrates value engineering principles with energy conservation strategies to optimize system performance. As a trusted partner in mechanical engineering, we continue expanding our capabilities to meet the growing demands of our community while upholding the highest professional standards.
Services
HVAC Design Plumbing Engineering Fire Protection Systems Building Commissioning BIM Modeling
Details
  • Year established: 1972
Highlights and features
  • We have over 40 years of mechanical engineering experience in the Central Valley
  • We are the largest mechanical consulting office in the region
  • Our staff includes licensed engineers with decades of collective experience
  • We utilize the latest technology for system analysis and design
  • We maintain direct relationships with major local authorities and institutions
Services
HVAC Design
We design complex HVAC systems optimized for energy efficiency and code compliance. Our engineers utilize sustainable design principles and advanced modeling software to create tailored heating, ventilation, and air conditioning solutions for commercial and institutional buildings. Our team maintains extensive experience with DSA and OSHPD requirements for educational and healthcare facilities.
Plumbing Engineering
Our plumbing design services incorporate LEED-certified practices and sustainable water management systems. We specialize in domestic, medical gas, and industrial plumbing systems while ensuring compliance with local building codes. Our engineers provide comprehensive solutions including rainwater harvesting and wastewater reclamation systems for modern facilities.
Fire Protection Systems
We deliver comprehensive fire protection design services meeting California DSA policy and IR A-25 requirements. Our team coordinates with authorities having jurisdiction to ensure code-compliant fire sprinkler systems, including AHJ-approved water-flow testing and BIM coordination with other building systems for complete fire safety solutions.
Building Commissioning
Our commissioning services verify building systems meet owner requirements through all project phases. We develop commissioning plans aligned with CalGreen, LEED, and CHPS standards, conduct functional testing, and provide detailed documentation to ensure optimal system performance and energy efficiency.
BIM Modeling
We create detailed 3D building information models using Autodesk Revit MEP and MEPCAD VR10 software. Our BIM services coordinate HVAC, plumbing, and fire protection systems within architectural and structural elements to prevent conflicts, improve construction accuracy, and enhance facility management through digital modeling.
People
Ryan W. Carlson
Principal
BSME graduate from CSU Fresno with energy emphasis. Joined firm in 2011. Holds mechanical engineering licenses in multiple states including California, North Dakota, and Texas. Specializes in sustainable mechanical systems design.
Michael D. Cantelmi
Principal
BSME graduate from Cal Poly San Luis Obispo. Has served as principal since joining the firm in 1984. Maintains California mechanical engineering license #M23588. Focuses on complex mechanical system integration.
Muey Tarvin
Principal
BSIT graduate from CSU Fresno. Joined firm in 2016. Certified ASHRAE Building Commissioning Professional. Specializes in commissioning processes and energy efficiency optimization for institutional facilities.
Anthony Bischel
Partner
BSME graduate from CSU Fresno. Joined firm in 2013. Holds California mechanical engineering license #M38162. Focuses on mechanical system design for healthcare and educational facilities.
Gary S. Hughes
Senior Mechanical Engineer
MSIT and BSME graduate from CSU Fresno. Joined firm in 2000. Licensed in California (#M18685) and Nevada. Specializes in HVAC system analysis and sustainable design solutions for large-scale projects.
Questions
What mechanical engineering services do you offer?
We provide HVAC system design, plumbing engineering, fire protection systems, building commissioning, and BIM modeling services for commercial and institutional projects.
How long have you served the Central Valley?
We have been providing mechanical engineering services in the Central Valley since our founding in 1972.
What types of projects do you handle?
We work on projects ranging from small rehabilitations to $120 million developments including schools, hospitals, office buildings, and shopping centers.
Do you work with local authorities and institutions?
Yes, we collaborate with the City and County of Fresno, PG&E, California State University Fresno, and over fifty school districts across the region.
What makes your engineering approach unique?
Our relationship-based philosophy combines technical expertise with practical implementation to deliver energy-efficient, code-compliant mechanical systems tailored to client needs.