Major Mechanical Systems Upgrade at 790 East New York Avenue, Brooklyn
790 EAST NEW YORK AVENUE, BROOKLYN, 11203 · Prospect Lefferts Gardens-Wingate
What was permitted
For homeowners in Prospect Lefferts Gardens-Wingate, this permit offers insight into large-scale mechanical system replacements. The project involves replacing existing chillers and condensing units with new heat pump systems and split AC units, along with updated piping.
Issued on April 22, 2026, this extensive mechanical upgrade has an estimated cost of $3,999,900. ACS SYSTEM ASSOCIATES INC. is listed as the general contractor for this significant project.
A substantial mechanical systems overhaul in Prospect Lefferts Gardens-Wingate cost nearly $4 million, replacing chillers and adding heat pumps.
What it cost
Issued
April 22, 2026
Expires
April 22, 2027
License
General Contractor
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Filed by ACS SYSTEM ASSOCIATES INC · 126 permits across 56 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 704275109 |
| Work Permit # | B00967664-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Replace existing (1) chiller and (1) condensing unit and associated equipment with (1) new Heat Pump Chiller/Heater and associated new equipment. Replace associated chilled water piping with new dual water piping. Provide new Split AC and condensing unit. |
| Floor / Unit | Cellar, Floor Number(s) 1 through 2, Roof |
| Estimated Cost | $3,999,900 |
| Approved | April 19, 2024 |
| Issued | April 22, 2026 |
| Expires | April 22, 2027 |
| BBL | — |
| BIN | — |
Property Owner
NYC SCHOOL CONSTRUCTION AUTHORITY
CHARLESTON ALBERT