What was permitted
Homeowners on the Upper East Side considering apartment renovations can find valuable cost insights from this permit. The project involves modifying the mechanical system to accommodate new AC units, PTAC units, and ductwork for apartment 6D.
This permit for mechanical system upgrades was issued on April 23, 2026, with an estimated cost of $145,000. The work was performed by ROYAL HVAC SYSTEMS INC.
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