What was permitted
A mechanical systems permit has been issued for the installation of two new 5-ton heat pumps on the 2nd floor of the building located at 345 East 37 Street, Manhattan. The project also includes related piping and duct work.
The permit was issued on March 19, 2026, with a reported cost of $50,000. T SQUARE CONTRACTING, LTD is the contractor responsible for the installation.
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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 | 780763519 |
|---|---|
| Work permit # | M01284844-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | INSTALLATION OF (2) NEW 5 TON HEAT PUMPS ON 2ND FLOOR WITH RELATED PIPING AND DUCT WORK |
| Floor / unit | Floor Number(s) 2 through 2 |
| Estimated cost | $50,000 |
| Approved | January 16, 2026 |
| Issued | March 19, 2026 |
| Expires | July 15, 2026 |
| BBL | — |
| BIN | — |
Property owner
20 W 33rd St. Property Owner, LLC
Kevin Chisholm
Related searches
heat pumpHVACMurray HillManhattanbuilding permitmechanical systemsT SQUARE CONTRACTING, LTD