Mechanical Systems Upgrade at 1107 Fifth Avenue, Manhattan
1107 FIFTH AVENUE, Manhattan, 10128 · Upper East Side-Carnegie Hill
What was permitted
Homeowners on the Upper East Side might be interested in the significant mechanical system upgrade at 1107 Fifth Avenue. This project involves the installation of a Mitsubishi VRF heat pump system with heat recovery, including multiple air handling units and a condensing unit for a 4100 sqft space.
This permit was issued on July 9, 2026, with an estimated project cost of $352,000. The work was performed by LTB MECHANICAL CORP (GC).
A substantial $352,000 mechanical system renovation on the Upper East Side indicates a significant investment in HVAC technology for a large space.
What it cost
Issued
July 9, 2026
Expires
February 1, 2027
License
General Contractor
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Filed by LTB MECHANICAL CORP · 13 permits across 8 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 | 518258032 |
| Work Permit # | M01147125-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | RENOVATION.INSTALLATION OF MITSUBISHI VRF HEAT PUMP SYSTEM WITH HEAT RECOVERY. THIS INCLUDES 7 AIR HANDLING UNITS, 1 BRANCH BOX CONTROLLER, AND 1CONDENSING UNIT ON THE 12TH FLOOR, 4100 SQFT.INSTALLATION OF NEW TOILET, KITCHEN, AND LAUNDRY EXHAUST SYSTEMS. |
| Floor / Unit | Floor Number(s) 12 through 12 |
| Estimated Cost | $352,000 |
| Approved | April 30, 2026 |
| Issued | July 9, 2026 |
| Expires | February 1, 2027 |
| BBL | — |
| BIN | — |
Property Owner
Walker Burttschell