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.