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John Flaherty

John Flaherty is the Senior Director of Business Development at Harold Brothers Mechanical, where he plays a key role in fostering client relationships and driving strategic growth. With nearly two decades of experience holding a real estate license, John brings a deep understanding of business development and market dynamics to his role. Before joining Harold Brothers, John dedicated 15 years to education administration at Boston College High School, where he helped shape institutional advancement efforts. A proud alumnus of BC High, he continues to serve on the school's Alumni Advisory Council, strengthening connections within the community. As a contributing author for Harold Brothers Mechanical, John leverages his diverse professional background to provide insightful articles on industry trends, business strategies, and company developments.

Plumbing

The Top 5 Commercial Plumbing Contractors in Massachusetts

March 19th, 2025|4 min read

Preventive Maintenance | HVAC | Plumbing | VRF

Top 5 Commercial Mechanical Contractors in Massachusetts

March 12th, 2025|4 min read

HVAC

Best HVAC Practices for Preparing a Commercial Building for Spring

February 21st, 2025|4 min read

Preventive Maintenance | HVAC | Plumbing | VRF

Commercial HVAC and Plumbing Terms

February 18th, 2025|4 min read

HVAC | VRF

Gas Heat vs. Electric Heat: Which Is Best for Your Business?

February 13th, 2025|5 min read

Preventive Maintenance | HVAC | Plumbing

Top 10 Winter Maintenance Problems for Your Commercial Buildings

January 13th, 2025|4 min read