Quality Assurance

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.

We hold certifications in: 

  • HVAC Testing and Balancing
  • Fire Damper Testing
  • HVAC Commissioning
  • Retro-Commissioning
  • Sound and Vibration Measurement
  • Indoor Air Quality Testing
  • Residential Duct Leakage Testing


We are certified by: 

  • 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) Certified Technician 


We are proud members of: 


  • SMACNA (Sheet Metal and Air Conditioning Contractors National Association)
  • ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers)


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