WELCOME - dL  Flow Tech is an independent NEBB and TABB certified Heating and Air Conditioning firm specializing in Air and Hydronic testing and balancing (TAB), duct leakage testing, and HVAC system surveys. 

Strategically located  in the New York Hudson Valley, we service the Tr-State and beyond, completing project from Up-State NY all the way to the island of St Thomas. Our 36 years of buisness has proven our commitment to customer service and the highest quality of work. We appreciate you visiting and look forward to serving you in your TAB needs . 

New Construction

Certified in Air and Hydronic Testing and Balancing



Existing Buildings

Retro Commissioning | System Survey | Ultra Sonic Flow Testing | Fire Damper Testing | Fume Hood Testing


Blower Door Testing | Duct Leakage Testing

The New Vassar Medical Center - Poughkeepsie NY

dL Flow Tech is proud to be part of the Walsh/Consigli Construction team for the New Vassar Hospital. This massive healthcare project will include the construction of a new 696,000 SF patient pavilion. The seven-level patient pavilion will include 264 private patient rooms, 30 critical care rooms, a 66-room emergency department, 12 surgical suites, and a 300-seat conference center. The half-billion dollar pavilion is considered to be the largest construction project in the history of the City of Poughkeepsie.

The Hackley School - Health and Wellness Center 

Featured Project

The New 100,000 square foot state of the art wellness center construction is in progress at the Hackley School. dL Flow Tech's services include duct leakage testing and air and hydronic testing and balancing. Completed 2017

55 Bank St - White Plains NY

Featured Project

A New16-story, 288-unit luxury rental apartment building and retail space are under construction as phase one. Another tower, with 273 units, will eventually be built during phase 2. Completed in 2017. 

For 36 years dL Flow Tech has assisted contractors, engineers, building owners, and home owners in every stage of construction. From preconstruction to completion we offer an array of services to comply with industry standards and help make your project go smoothly. Check our website to learn more about the services we provide. We're proud of our achievements. Visit us to explore our portfolio and see a sampling of our completed work. Our friendly and professional team will help you get the proper answers that you seek.

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