We are active members of Sheet Metal & Air Conditioning Contractors National Association (SMACNA).  An international association of Union Contractors dedicated in developing technical standards and manuals currently accepted by the construction community.   These standards, along with the AABC and ATI's work ethic comprise a quality of work you will come to depend on.  


We pride ourselves on quality of work, with a team of highly skilled Technicians.  We are completely electronic in instrumentation and reporting.   We are up to date on current technology in the field and in our office.   Our Tech's send reports via email for review and processing each day.


AMERICAN TESTING, INC. has been a certified member of the Associated Air Balance Council (AABC) since 1984, providing HVAC Testing and Balancing services.    We are also an AABC Certified Commissioning Authority (CxA) and a member of the AABC Commissioning Group (ACG).



Our Credentials

We offer total system balancing, skillful evaluation of readings, and the ability to adjust the system to design conditions.  We believe that with the proper combination of knowledge, instrumentation, and experience we can provide optimum system performance for the following building services:

 •  Air Distribution & Hydronic Balancing

 •  Sound and Vibration Testing

 •  Indoor Air Quality Testing

 •  Cooling Tower Performance Testing

 •  Fume Hood Testing

 •  Verification of Control Systems

 •  Duct Leakage Testing

 •  Pre-Construction Plan Check /

      and Construction Review

 •  Commissioning related initiatives  

Our Promise

Our work is good. We promise. And behind that promise, we want you to know that we back our work with a satisfaction guarantee. We won't stop working until you like what we've done.


All work performed by this agency is covered by the AABC National Project Performance Guaranty and are performed in strict accordance with the AABC National Standards.  We have three [3] AABC Certified Test and Balance Engineers (TBE) on staff providing competent and quality workmanship to the industry. 


All of our highly trained Technicians are AABC Certified and are SMWIA Journeyman Sheet Metal Workers.  They are constantly learning the latest technology and trouble-shooting techniques through training sessions and their work is continuously monitored by one of our professional TBE's.


OUR services


Our Services

sheet metal workers union

                       Local 100  ~ Baltimore & Washington, DC