What was permitted
This permit details significant modifications to the existing HVAC system at 5 Penn Plaza in Manhattan's Chelsea-Hudson Yards neighborhood. Homeowners can use this as a reference point for the potential costs associated with large-scale commercial or multi-unit residential climate control upgrades.
The project, with an estimated cost of $375,000, was issued a permit on September 2, 2026, by contractor 5 PENN PLAZA LLC. This indicates a substantial investment in the building's mechanical infrastructure.
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