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Business Details
36 Years
experience
Expert HVAC Testing & Balancing Services in Beaverton, OR
Founded in 1990, Accurate Balancing Agency has established itself as a trusted leader in HVAC testing, adjusting, and balancing (TAB) services for commercial and industrial buildings. Our team of technicians brings over 80 years of combined experience, adhering to rigorous industry standards such as NEBB procedural guidelines, AABC manuals, and SMACNA best practices. We specialize in optimizing building systems for efficiency, comfort, and compliance, serving clients from small tenant improvements to large-scale industrial projects. Our NEBB certifications in air/water balancing and sound/vibration measurement underscore our technical expertise.

We prioritize safety through ABC Safety Training and OSHA certifications while fostering long-term partnerships through transparency and technical excellence. Our commitment to sustainability is reflected in energy-efficient practices, waste reduction, and community engagement. With offices in Beaverton, Oregon, we serve the Pacific Northwest, delivering precision-driven solutions tailored to each project's unique requirements.
Services
HVAC Testing & Balancing Duct Leakage Testing Sound & Vibration Measurement Fume Hood Certification Building Pressurization Analysis Mechanical Water Systems Balancing System Rebalancing Consultation Services Smoke Control Balancing Clean Room Balancing
Details
  • Year established: 1990
Highlights and features
  • We offer 30+ years of NEBB-certified HVAC balancing expertise
  • Our technicians hold OSHA 10/30 and Lift Certifications
  • We follow NEBB, AABC, and SMACNA industry standards
  • We provide 100% company-paid family health insurance to employees
  • We optimize building efficiency through certified duct leakage testing
Associations and certifications
  • NEBB Certified
Services
HVAC Testing & Balancing
We perform comprehensive air and water system balancing for commercial buildings, ensuring optimal HVAC performance. Our NEBB-certified technicians use precision instruments to measure airflow, water flow, and pressure relationships. This service improves energy efficiency, occupant comfort, and system longevity while meeting project specifications and industry standards.
Duct Leakage Testing
Our certified duct leakage testing identifies air loss in HVAC systems using calibrated blower door equipment. This service verifies compliance with SMACNA standards and building codes while improving system efficiency. We provide detailed reports documenting leakage rates and remediation recommendations for commercial and industrial applications.
Sound & Vibration Measurement
We measure and analyze HVAC system noise and vibration levels using specialized instrumentation. This service identifies sources of mechanical disturbances and ensures compliance with NEBB procedural standards. Our assessments help maintain comfortable indoor environments while preventing equipment wear from excessive vibration.
Fume Hood Certification
We test and certify fume hoods in laboratory environments to ensure proper airflow containment. This service verifies compliance with safety standards and protects personnel from hazardous exposure. Our technicians perform face velocity testing, smoke visualization, and pressure relationship analysis for new and existing installations.
Building Pressurization Analysis
We assess and optimize building pressure relationships to maintain proper airflow patterns. This service ensures compliance with fire safety codes and prevents contamination between spaces. Our technicians use precision manometers to measure differential pressures and adjust systems for optimal performance in cleanrooms and critical environments.
People
E. Michael May, Jr.
President / NEBB Certified Professional
With over 30 years of TAB experience, Michael leads Accurate Balancing Agency as its NEBB-certified professional. He specializes in HVAC system optimization and field troubleshooting while maintaining active involvement in project execution.
Tommy Takemoto
NEBB Certified TAB Technician
A 20-year veteran technician, Tommy specializes in air/water balancing and commercial kitchen systems. He mentors junior staff and consistently receives client commendations for meticulous workmanship and attention to detail.
Chris Cawthern
TAB Technician
With 25 years of TAB experience, Chris focuses on complex commissioning projects. His technical expertise in HVAC efficiency optimization and modern control systems makes him a key asset for challenging assignments.
Callahan Maxwell
NEBB Certified TAB Technician
A 10-year team member, Callahan specializes in air/water balancing and duct leakage testing. He excels at visualizing system relationships and implementing efficient TAB solutions for diverse project types.
Stuart Smith
TAB Technician
With 30 years of field experience, Stuart provides expert troubleshooting for complex HVAC systems. His deep understanding of evolving HVAC technologies enables effective problem-solving for both legacy and modern installations.
Questions
What HVAC services does Accurate Balancing Agency offer?
We provide NEBB-certified testing, adjusting, and balancing for air and water systems, duct leakage testing, sound/vibration measurement, fume hood certification, and building pressurization analysis.
Are your technicians certified for HVAC balancing work?
All technicians hold NEBB certifications with additional credentials in OSHA safety standards and lift operations. Our team maintains 80+ combined years of TAB experience.
What types of projects do you handle?
We work on commercial, industrial, and institutional buildings ranging from small tenant improvements to large-scale projects like university facilities and manufacturing plants.
How do you ensure quality in your services?
We follow NEBB procedural standards, AABC manuals, and SMACNA guidelines while maintaining calibrated instrumentation. Our team undergoes continuous training to stay current with industry advancements.
Do you offer sustainability-focused services?
Yes, our TAB services optimize building energy efficiency. We also implement paperless workflows, use eco-friendly office supplies, and participate in local environmental restoration projects.