Quality and Certifications

In the HVAC industry, there are always new advances and technology that we deal with every day in the field. We believe that it is imperative to remain a certified company with certified technicians and supervisors. Continued learning and training is something that dL Flow Tech strives for as a company and as individuals. We associate ourselves with professional organizations to give our customers the exceptional service that they expect and deserve.

In the HVAC industry “certifications” are earned through independent study, on-the-job experience, formal class-room education, and proctored exams. Because technology, instrumentation, codes, and regulations are continuously changing, certifications are time-limited. Maintaining certification requires dL Flow Tech staff to earn continuing education credits annually. This is a major commitment to our firm’s ability to deliver the best possible service to our clients. It is every bit worth it!

HVAC Industry Certifications

HVAC Testing and Balancing
Fire Damper Testing

HVAC Commissioning


Sound Measurement

Indoor Air Quality Testing

Residential Duct Leakage Testing

We Are Proud Members of

SMACNA (Sheet Metal and Air Conditioning Contractors National Association)

ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers)

NESCA (Northeastern Subcontractors Association, Inc.)


NEBB (National Environmental Balancing Bureau)

TABB (Testing Adjusting and Balancing Bureau)

ACAC (American Council for Accredited Certification)

Retrotec – Residential Duct Leakage Testing

BPI (Building Performance Institute)