Air systems
Testing and balancing supply, return, exhaust, and outside-air systems against mechanical design requirements.
HVAC testing, adjusting and balancing
Measuredperformance.
Independent air and water balancing that turns mechanical design intent into verified system operation.
Established technical practice
Since 1985
Incorporated in MassachusettsFrom its Quincy office, E. L. Barrett Company provides independent HVAC testing, adjusting, and balancing across New England.
The third-generation family company has earned lasting working relationships through consistent field performance, practical judgment, and direct communication.
- 1985
- Incorporated
- Third generation
- Family owned
- Quincy, MA
- Headquarters
- New England
- Service region
Air. Water.
Existing systems.
Specialized TAB work for the mechanical systems that determine how a building actually performs.
Water systems
Measuring and adjusting hydronic distribution so flow is apportioned through the system as intended.
Surveys and evaluations
Documenting existing HVAC performance so project teams can understand operating conditions and system issues.
Design intent becomes measured performance.
TAB replaces assumption with field data, deliberate adjustment, and a clear record of final operating conditions.
- 01
Read the design
Establish required system flows and operating conditions.
- 02
Measure actual conditions
Collect repeatable air and water readings across the installed system.
- 03
Adjust distribution
Set system components methodically to bring flow into balance.
- 04
Verify and report
Confirm final conditions and organize the results for the project team.
Built for professional project environments.
Work aligned with design requirements, construction coordination, and ongoing building operation.
Commercial
New construction, renovation, and evaluation work where coordinated HVAC performance matters.
Institutional
Facilities with complex mechanical systems and long-term operational responsibilities.
Dependable work is the standard.
Four disciplines shape every assignment, from the first system review through final reporting.
Accuracy
Measurements and adjustments grounded in actual field conditions.
Field experience
Practical judgment developed through decades of specialized TAB work.
Documentation
Clear records that support coordination, review, and project closeout.
Professional coordination
Direct communication with contractors, engineers, owners, and facility teams.
Credentials and associations
Technical qualifications and local business relationships support the company's regional work.
Project inquiries