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).
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