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mjfahy.com

Waterbury, Connecticut, United States

Connecticut-based plumbing, heating, and air-conditioning contractor serving residential and commercial clients since 1890.

M. J. Fahy & Sons, Inc is a Connecticut-based plumbing, heating and air conditioning contractor serving residential and commercial customers for more than a century. Founded in 1890, the family-owned company provides design, installation, maintenance and repair services across plumbing, HVAC, fire protection and process piping. The organization emphasizes dependable, code-compliant work delivered by licensed, insured professionals. It serves developers, manufacturers, institutions and homeowners, offering comprehensive design and installation capabilities, on-call troubleshooting, and a broad range of system services. With a long-standing reputation for quality and customer service, the company operates across residential and commercial markets in Connecticut and surrounding areas, supporting new construction and retrofit projects alike. The mission centers on delivering reliable, high-quality mechanical services with a focus on safety, compliance and durability, backed by a team averaging many years of experience and a commitment to professional excellence.

Mission statement

To provide dependable, high-quality plumbing, HVAC and fire-protection services to residential, commercial and institutional customers, delivered by licensed professionals who prioritize safety, compliance and lasting value.

Products & Services

Plumbing Services Service

Reliable plumbing services ensuring your home's and business's plumbing systems run smoothly and efficiently.

mjfahy.com
  • Toilet, Faucet and Sink Repair and Installation — Restore Bathroom Functionality
  • Backflow Protection — Ensure Safe Water Supply
  • Drain Cleaning — Prevent Clogs
  • Water Heater Installation and Repair — Ensure Reliable Hot Water Supply
  • Comprehensive Maintenance Services — Extend System Lifespan

HVAC Services Service

Comprehensive HVAC services keep homes and businesses comfortable while ensuring energy efficiency.

mjfahy.com
  • Air Conditioning Systems — Ensure Effective Cooling
  • Furnace and Boiler Services — Maintain Heating Systems
  • Energy-Efficient Upgrades — Reduce Energy Costs
  • Indoor Air Quality Management — Enhance Healthy Environments

Fire Protection Systems Service

Comprehensive fire protection systems ensuring safety and compliance for residential and commercial properties.

mjfahy.com/commercial/fire-protection
  • Fire Sprinkler System Design and Installation — Protect Against Fires
  • System Testing and Maintenance — Ensure System Functionality
  • Backflow Protection — Safeguard Water Supplies

Hot Water Systems Service

Reliable installation and maintenance of hot water systems for consistent supply.

mjfahy.com
  • Hot Water System Installation — Ensure Reliable Hot Water Supply
  • Maintenance and Repairs — Maximize System Lifespan
  • Energy Efficiency Upgrades — Reduce Energy Bills

Process Piping Systems Service

Reliable process piping systems designed for efficiency and compliance.

mjfahy.com/commercial/process-piping
  • Piping Fabrication and Installation — Tailored Piping Solutions
  • ASME and NBIC Compliance — Ensures Safety and Compliance
  • Comprehensive Maintenance Services — Prevent Downtime

Market Segments

Commercial mechanical contracting

Design, installation and ongoing maintenance of integrated mechanical systems (plumbing, HVAC, fire protection, process piping) for developers, manufacturers and institutional commercial construction with an emphasis on code compliance and licensed execution.

Residential HVAC and plumbing

Installation, repair and maintenance of home heating, cooling, hot water and plumbing systems including emergency service, energy-efficiency retrofits and tankless water heater work for homeowners and residential builders.

Fire protection design and compliance

Design, installation, testing and maintenance of fire protection and sprinkler systems, including backflow protection and regulatory testing to meet local and national safety codes.

Process and industrial piping fabrication

Design, fabrication and installation of process piping (including compressed air systems) for industrial and manufacturing customers, with ASME and NBIC compliance and preventative maintenance.

Common Questions

What does M. J. Fahy & Sons, Inc do?
M. J. Fahy & Sons, Inc is a Connecticut-based plumbing, heating and air conditioning contractor serving residential and commercial customers for more than a century. Founded in 1890, the family-owned company provides design, installation, maintenance and repair services across plumbing, HVAC, fire protection and process piping. The organization emphasizes dependable, code-compliant work delivered by licensed, insured professionals. It serves developers, manufacturers, institutions and homeowners, offering comprehensive design and installation capabilities, on-call troubleshooting, and a broad range of system services. With a long-standing reputation for quality and customer service, the company operates across residential and commercial markets in Connecticut and surrounding areas, supporting new construction and retrofit projects alike. The mission centers on delivering reliable, high-quality mechanical services with a focus on safety, compliance and durability, backed by a team averaging many years of experience and a commitment to professional excellence.
What is M. J. Fahy & Sons, Inc's role in the Commercial mechanical contracting market?
Design, installation and ongoing maintenance of integrated mechanical systems (plumbing, HVAC, fire protection, process piping) for developers, manufacturers and institutional commercial construction with an emphasis on code compliance and licensed execution.
What is M. J. Fahy & Sons, Inc's role in the Residential HVAC and plumbing market?
Installation, repair and maintenance of home heating, cooling, hot water and plumbing systems including emergency service, energy-efficiency retrofits and tankless water heater work for homeowners and residential builders.
M. J. Fahy & Sons, Inc — company overview