FAQ Category: Understanding Test & Balance

Our national TAB service is not the same as a local or regional firm. We have earned a reputation for professionalism, integrity, thoroughness and service excellence. We take a holistic approach toward HVAC problem solving and do not limit our scope of work to simply measuring and adjusting airflows. We complete a comprehensive inspection of […]

An air balance ensures that airflow is properly distributed throughout the building as designed by the mechanical engineer, which in turns helps achieve the intended temperatures and comfort level of the various spaces. In an unbalanced building, airflows may be too high or too low, making it difficult or even impossible to maintain proper space […]

NEBB stands for National Environmental Balancing Bureau, a non-profit organization that maintains uniform standards for the testing, adjusting and balancing of environmental systems. NEBB certifies the firms and personnel who perform such work.

Melink not only air balances your HVAC system, but we also commission it. We review the design, test the equipment, inspect the installation and check the sequence of operation. Basically, we are there to make sure the owner gets the HVAC system specified for the project. Think of us as a direct extension of your […]

HVAC equipment that has not been properly balanced may be working harder or less efficiently than it was intended, which can lead to early failure. ATAB ensures that the equipment is adjusted and operating as intended by the manufacturer and design engineer, helping to achieve or even exceed the expected life.

– International Mechanical Code – ASHRAE 62 – California Title 24 – WELL Building – Many local jurisdictions throughout the U.S.

If you have a new construction site that we balanced, then a year later you have comfort problems, we can look at that report as a baseline and re-measure the airflows to solve the problems. During the TAB work, we can inspect and report the condition and maintenance of your HVAC equipment, which the facility […]

A proper air balance will prevent many common issues and complaints that a facility manager faces, such as: – high humidity – sweating diffusers – exterior doors that are hard to open – uncomfortable temperatures – drafts – smoke-capture problems

Existing buildings should be rebalanced every three to five years. However, your facility might need to be rebalanced more frequently if employee and customer complaints arise or if any of the problems listed above occur. Show infographic If you’re doing any remodels or replacing HVAC equipment. Relevant codes: ASHRAE 62.1 recommendation is every three to […]