In 1982 dL Flow Tech Inc. began with one person; Dennis LaVopa founder. As time passed, dL Flow Tech grew not only in size but in experience, credibility, and honesty in a competitive HVAC industry. Dennis expanded the business through maintaining good honest relationships with quality contractors and engineers. He also increased the services offered from air and hydronic TAB to sound measurement, retro commissioning, fire damper testing, duct leakage testing, pipe thickness testing and blower door testing. It has always been the focus of Dennis to not only maintain technical certifications but always maintain relationships with clients who appreciate honest work. Always stressing the importance of quality to his employees, Dennis has earned a reputation for trustworthy service for over 30 years. Dennis is also active in professional organizations such as ASHRAE Bi-state Chapter SMACNA Southeastern New York, and NEBB Northeast chapter.


While celebrating the past 37 years of service we look forward to the changes ahead. As the industry changes and a second generation begins to move forward we have not forgotten our basic business principles that brought us to where we are today. Credibility, honesty, and attentiveness to our customers needs will always be our driving force. dL Flow Tech Co. continues to strive for excellence by maintaining reputation for hard work and dependability.

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