What was permitted
This permit is for significant mechanical system upgrades at 390 West End Avenue on the Upper West Side of Manhattan, involving the installation of a new Energy Recovery Ventilation (ERV) system. This work also includes modifications to the existing ductwork, aiming to improve air quality and efficiency.
The permit was issued on June 26, 2026, with a substantial estimated project cost of $106,000. HIGHLINE CONSTRUCTION GR is the General Contractor overseeing this mechanical systems project.
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