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.
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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
5.021 reviewsGreg M.
9/10/2025
My wall through AC units were very dirty and had mold growing. They did an extremely thorough clean, getting rid of all visible dirt and mold with a power washer and antimold solution. The air in...
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...
John M.
8/18/2025
I needed to have my central air system checked. I selected MainDuct because they provided complete details of what is included in the service call. Alex and his crew arrived on time. He explained...
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...
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