Case Study: How Metro Group Resolved a Legionella Crisis and Restored Water Quality

contaminated water warning stickers in building elevator

When two residents of a Midtown Manhattan building contracted Legionnaires’ disease within six months, hospitals were required to notify the NYC Department of Health (DOH), triggering an urgent investigation. Testing revealed widespread Legionella bacteria contamination in the building’s hot water system, posing a serious health risk to 400 residential units, four commercial spaces, and a […]

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Case Study: How Metro Group Replaced an Outdated Fire Alarm Control System in Manhattan’s Lincoln Square

new fire alarm control system installed by Metro Group

  Upgrading a fire alarm control system is a critical task that requires expertise, precision, and a deep understanding of fire safety regulations. When a residential customer in the Lincoln Square area of Manhattan reached out to Metro Group to replace their aging fire alarm control system, our team of Licensed Electrical Technicians took on […]

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Case Study: Powering a Multimedia Event in Williamsburg

Last year, Metro Group undertook an exciting project to convert a vacant lot in Williamsburg, Brooklyn into a secure, multifunctional space. This space was designed to accommodate events, parking, and entertainment, setting the stage for rental revenue generation. Recently, we took our customer’s vision even further by providing additional power to support a multimedia event […]

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Case Studies – Electrical Upgrades

Updated October 27, 2025 Case Study: Electrical Infrastructure Upgrade for Residential Building in Brooklyn Heights   Preparing for the Future of Building Electrification Metro Group recently completed a comprehensive electrical service upgrade for a residential building in Brooklyn Heights, addressing outdated systems and preparing the property for future electrification. Aging Electrical Systems in NYC Residential […]

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Case Study – Enhancing Animal Enrichment: A Partnership with Roger Williams Park Zoo

At Metro Group, we’re dedicated to delivering reliable building solutions, including safe and clean water treatment services. Our partnership with Roger Williams Park Zoo in Rhode Island is an example of our commitment, as we go beyond standard services to benefit both their animals and the broader community. A Unique Collaboration For several years, Metro […]

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