What was permitted
For those in the Chelsea-Hudson Yards area, a recent permit details the upgrade of a building's mechanical systems. This project at 400 West 37 Street involves replacing the existing lobby HVAC with new air source VRF heat pump systems, including ductwork, piping, and controls.
The permit was issued on September 3, 2026, with an estimated project cost of $275,000. LTB MECHANICAL CORP is listed as the general contractor for this significant HVAC modernization.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 805580134 |
|---|---|
| Work permit # | M01354214-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | Filing herewith to replace and alter existing lobby HVAC system with new air source VRF Heat pump systems including ductwork, piping, and control. |
| Floor / unit | Lobby |
| Estimated cost | $275,000 |
| Approved | March 12, 2026 |
| Issued | September 3, 2026 |
| Expires | February 1, 2027 |
| BBL | — |
| BIN | — |
Property owner
Equity Residential
Christopher Plati
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