HVAC System Replacement at 9115 5 Avenue, Brooklyn
9115 5 AVENUE, BROOKLYN, 11209 · Bay Ridge
Estimated Project Cost
$0
Structural
Issued
March 31, 2026
Expires
November 11, 2026
License
General Contractor
About This Project
This permit involves significant structural work related to HVAC systems at 9115 5 Avenue in Brooklyn's Bay Ridge neighborhood. The project entails removing and replacing unit ventilators, exhaust fans, and supply air ductwork, as well as installing new heating and ventilating units and outdoor intake openings.
The permit was issued on March 31, 2026, with an estimated cost of $1,527,422. INFINITY CONTRACTING SERV is the general contractor overseeing this comprehensive HVAC system upgrade.
What This Means For You
Neighbors in Bay Ridge can observe the substantial investment in building systems, with this $1.5 million permit for structural HVAC replacements indicating major upgrades.
The Business That Did This Work
INFINITY CONTRACTING SERV
General Contractor · License #037997
112-20 14TH AVE
26 permits filed · 10 neighborhoods
Permit Details
| Tracking Number | 708169618 |
| Work Permit # | B00674023-I1-MS |
| Job Filing Number | — |
| Work Type | Structural |
| Status | Permit Issued |
| Job Description | K104_Remove and replace existing unit ventilators, exhaust fans, and supply air ductwork. Provide new unit ventilators, heating and ventilating unit, exhaust fans, supply fans, and electric duct heater. Provide new outdoor intake openings and ductwork. |
| Floor / Unit | Cellar, Floor Number(s) 1 through 3, Roof |
| Estimated Cost | $1,527,422 |
| Approved | March 11, 2022 |
| Issued | March 31, 2026 |
| Expires | November 11, 2026 |
| BBL | — |
| BIN | — |
Property Owner
NYC SCHOOL CONSTRUCTION AUTHORITY
CHARLESTON ALBERT
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