Case Study: Metro Group Upgrades Heating Systems

Clinton new boiler installed by Metro Group to replace old 1950s steam boiler

Updated October 24, 2025 Case Study: Electrical Steam Boiler Installation Delivers Clean, Cost-Effective Heating to Manhattan’s Upper East Side As energy costs continue to rise across New York City, building owners are searching for smarter, more sustainable heating solutions. One residential building on Manhattan’s Upper East Side recently faced this challenge head-on dealing with the […]

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Is Your Building’s Drinking Water Tank Inspection Up to Date?

an old drinking water tank in New York City

Updated July 11, 2025 NYC building owners are responsible for ensuring that their drinking water tanks are inspected annually to maintain both water quality and regulatory compliance. By meeting the NYC Health Department’s requirements, building owners help guarantee safe, clean drinking water for residents and avoid potential fines. When is the Submission Deadline for the […]

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Longtime Metro Group Leader John Caloritis Named President of The Association of Water Technologies

John Caloritis, President of AWT, standing at the Annual Convention speaker's podium

The Association of Water Technologies (AWT), the world’s largest and most influential organization in the water treatment industry, proudly announced that John Caloritis will serve as the Association’s President for the upcoming term. AWT is celebrating its 35th anniversary this coming year, marking over three decades of leadership and innovation as the voice and standard […]

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Understanding Legionella Risks in Municipal Source Water: A Comprehensive Study

2024 Legionella Study cover page

Legionnaires’ disease, a severe form of pneumonia, continues to be a significant public health concern. Recent research has highlighted the potential risks associated with Legionella pneumophila in municipal source water, which can pose threats to building water systems. This study, conducted by members of the Association of Water Technologies’ (AWT) Cooling Water sub-committee, including Metro […]

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Case Study: How Metro Group Replaced an Outdated Fire Alarm Control System in Manhattan’s Lincoln Square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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Q&A: Ensuring Optimal Boiler Performance Through Summer Maintenance

boiler cleaning crew from Metro Group, performing summer maintenance to ensure optimal boiler performance

Why is summer boiler maintenance important? During the summer months, boiler operators typically undertake essential maintenance and repairs to ensure their systems run efficiently for the upcoming colder seasons. This downtime is crucial for performing necessary upkeep tasks without interrupting regular operations.   What is a critical aspect of summer boiler maintenance? One of the […]

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