Call Now
Website
Call
Business Details
Expert HVAC Testing & Balancing Services in Fremont, CA
National Air Balance has been a trusted leader in the Test and Balance (TAB) industry for over 50 years, delivering precision and reliability in HVAC system optimization. Our team of certified professionals leverages decades of collective experience to provide Total System Balancing (TSB) services across California and Nevada, ensuring energy efficiency, code compliance, and occupant comfort. As a member of the Associated Air Balance Council (AABC), we uphold the highest industry standards through rigorous technician training and adherence to ANSI-approved national standards. Our corporate culture emphasizes accountability, empowerment, and collaboration, enabling organic growth and long-term client partnerships. With over 55 employees, we combine technical expertise with a commitment to sustainability, serving diverse sectors including healthcare, education, and commercial real estate.

Our certifications from AABC, TABB, and ACG position us as a full-service provider for TAB and commissioning services. Decades of projectsfrom iconic tech campuses to critical healthcare facilitiesdemonstrate our ability to meet complex challenges with tailored solutions. We maintain transparency through detailed TAB reports and prioritize client satisfaction through methodical testing and unbiased service delivery. Our executive leadership team, including CEO Duane Davies and President Greg Rothe, drives innovation while preserving the core values of integrity and excellence established at our founding. This enduring focus on quality has earned us recognition as the largest and most experienced TAB firm in the region.
Services
Test and Balance (TAB) Air Balance Hydronic Balance Smoke Management Testing Fume Hood Certification Control System Verification Duct Leakage Testing Sound and Vibration Testing Title 24 Testing Commissioning Services
Highlights and features
  • We have over 50 years of experience in HVAC Test and Balance services.
  • Our team includes AABC-certified professionals with rigorous 5-year training programs.
  • We maintain ANSI-accredited quality assurance standards for system performance.
  • Our corporate structure fosters organic leadership growth and technical expertise.
  • We serve major sectors including healthcare, education, and commercial real estate.
Associations and certifications
  • Associated Air Balance Council (AABC)
  • American National Standards Institute (ANSI)
Services
Test and Balance (TAB)
Our Test and Balance (TAB) services ensure HVAC systems operate at peak efficiency through precise airflow and hydronic system measurements. Certified technicians use calibrated instruments to verify design specifications, achieving code compliance and energy savings. Clients receive detailed reports documenting performance metrics for LEED certification and maintenance planning.
Smoke Management Testing
Smoke Management Testing validates life-safety systems in high-rise buildings and public venues. We measure stairwell pressurization and exhaust performance to meet NFPA 92 standards. Our AABC-certified team provides recertification services for existing systems and commissioning for new constructions.
Fume Hood Certification
Fume Hood Certification ensures laboratory environments meet OSHA safety requirements. Our technicians test containment efficiency, face velocity, and system reliability using ASHRAE 110 protocols. This service protects researchers and maintains compliance in healthcare and biotech facilities.
Control System Verification
Control System Verification optimizes building automation performance through sequence-of-operation testing. We integrate TAB data with BAS programming to improve system responsiveness and reduce energy consumption. This service enhances comfort control in commercial and institutional buildings.
Commissioning Services
Commissioning Services verify building systems meet design intent from construction through occupancy. Our ACG-certified professionals conduct functional testing, document deficiencies, and ensure owner training. This process improves operational readiness for new and renovated facilities.
People
Duane Davies
CEO, Chairman
With decades of industry leadership, Duane Davies guides strategic growth while maintaining technical excellence standards across all projects.
Greg Rothe
President
President Greg Rothe oversees daily operations, leveraging 25+ years of TAB experience to ensure client satisfaction and service delivery excellence.
Roberto Carrion
Executive Vice President Field Operations
Roberto Carrion manages field operations with a focus on technical precision, ensuring all projects meet AABC certification requirements.
Drew Fisher
Operations Manager
Drew Fisher coordinates project execution, applying extensive HVAC systems knowledge to maintain schedule and budget commitments.
Trevor Davies
Sales Representative
Trevor Davies connects clients with tailored TAB solutions, drawing on technical expertise to address complex system challenges.
Questions
What HVAC systems do you test and balance?
We service commercial, healthcare, educational, and industrial HVAC systems including VAV, constant volume, and hydronic systems.
Are your technicians certified?
All technicians hold AABC, TABB, or ACG certifications after completing our 5-year training program with ongoing professional development.
Do you provide TAB reports?
Yes, we deliver comprehensive reports documenting test results, system performance metrics, and compliance verification for regulatory requirements.
What areas do you serve?
We operate throughout California and Nevada, with project experience from San Francisco to Las Vegas and Sacramento to Bakersfield.
Can you test existing systems?
Yes, we perform existing system surveys, recommissioning, and retro-commissioning to optimize performance of aging HVAC infrastructure.
How do you ensure quality assurance?
Our ANSI-accredited quality program includes peer reviews, field audits, and adherence to AABC National Standards for Total System Balance.