Jack C.
9/29/2025
I recently completed an initial job with MainDuct. I requested that a couple of firms inspect my HVAC systems, assess them, and repair them as necessary. I had MainDuct do the work. When Alex...
MainDuct Inc.
Closed
(23)
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460 Decatur St
Brooklyn, NY 11233
About MainDuct Inc. MainDuct Inc. is a licensed, insured, and locally trusted HVAC company proudly serving Brooklyn, Queens, and the greater NYC area. We specialize in dryer vent cleaning, air duct services, mini-split systems, and full-system inspections — with deep expertise in complex layouts like Brooklyn brownstones and older residential buildings. Our team of true engineers combines hands-on technical skill with real understanding of New York City building codes, insurance requirements, and airflow dynamics. Whether we’re cleaning a PTAC unit in a pre-war co-op or replacing a clogged dryer vent in a modern apartment, we aim to make your system safer, stronger, and more efficient. With over 1,000 jobs completed across the boroughs, we’re known for being direct, reliable, and results-driven. No fluff — just clean air, code compliance, and systems that work. Based in Bed-Stuy, Brooklyn Call us today at (516) 788-8558 to book s service and claim 10% discount.
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Reviews
5.0(23)
Evgeniya T.
12/4/2025
Easy to schedule an appointment. They were on time and did a good job . My tenant was satisfied with the quality
Anna ..
5/27/2025
The business conveniently leaves a few facts out of its comment. 1. I needed the ACs serviced because I was moving (so no I wasn't going to leave moldy units behind). 2. The report has been sent...
Wolf T.
6/20/2025
True pros, exactly what I wanted. They gave our window AC units a deep clean without having to remove them. They worked quickly and cleanly, and the results were very evident in what I could see...
Jake O.
11/26/2025
These guys were extremely efficient, communicated clearly, and did fantastic work!! They fixed my dryer, cleaned by ducts, and cleaned up an extremely messy area behind the dryer. Highly recommended!
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