Mitsubishi VRF Heat Pump System Installation at 1107 Fifth Avenue, Manhattan
1107 FIFTH AVENUE, MANHATTAN, 10128 · Upper East Side-Carnegie Hill
What was permitted
Homeowners on the Upper East Side can see the significant investment involved in upgrading a large residential property's climate control. This permit details the installation of a high-efficiency Mitsubishi VRF heat pump system, designed to provide heating and cooling across 4100 square feet.
This extensive mechanical renovation, including the installation of 7 air handling units and new kitchen and laundry exhaust, was issued a permit on May 13, 2026. The estimated project cost for this work by LTB MECHANICAL CORP is $352,000.
A major mechanical system upgrade on the Upper East Side, costing $352,000, could indicate a significant renovation or efficiency improvement for a large residential unit.
What it cost
Issued
May 13, 2026
Expires
July 1, 2026
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 | 212371216 |
| 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 | May 13, 2026 |
| Expires | July 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
Walker Burttschell