Guerin Mechanical Contractors
Commercial & Residential Plumbing, Heating, and Mechanical Services
Second-generation, family- and veteran-owned company proudly serving New England since 1988.
We deliver reliable plumbing and gasfitting solutions backed by decades of experience, a strong safety culture, and a commitment to precision and on-time performance.
Residential Plumbing Services
Guerin Mechanical Contractors provides full-scope residential plumbing and heating services for homeowners, builders, and property managers. From system design and planning to installation, repairs, and upgrades, our team delivers reliable, code-compliant workmanship for projects of all sizes.
Our design-build, turnkey approach streamlines residential plumbing and heating projects by integrating planning, system design, and installation under one experienced team. From concept through final inspection, we focus on clear communication, detailed coordination, and quality craftsmanship to ensure systems are built right the first time.
We work closely with homeowners, architects, and builders to develop efficient, code-compliant system layouts that optimize performance, control costs, and prevent conflicts during construction.
We design and install high-performance radiant heating systems that deliver quiet, even, and energy-efficient comfort throughout your home. Installed in floors, slabs, or select living areas, radiant heat provides consistent warmth without drafts, noise, or visible equipment.
From radiant heat layout and tubing design to manifolds and boiler integration, our team manages the complete radiant heating installation process. Each system is engineered for optimal performance, efficiency, and long-term reliability, and is customized to meet the specific needs of your home.
Our experienced residential plumbers work closely with builders and homeowners on new construction and remodeling projects. We ensure plumbing systems are installed efficiently, safely, and in full compliance with local and state codes while coordinating seamlessly with other trades.
We provide dependable residential plumbing repairs and replacements to protect your home and restore proper system function. From minor issues to major failures, our team responds promptly and delivers lasting solutions.
Services include:
Leak detection and pipe repairs
Drain and sewer repairs
Fixture replacements
Water heater repairs and replacements
We install and service standard, high-efficiency, and tankless water heaters. Our team helps homeowners select the right domestic hot water system to meet household demand while improving energy efficiency and long-term reliability.
We install high-efficiency heat pump and ductless mini-split systems that provide reliable heating and cooling year-round. These systems offer quiet operation, precise temperature control, and energy-saving performance for both new construction and retrofit applications.
Commercial Plumbing & Gasfitting Services
We provide full-scope commercial plumbing and gasfitting services for new construction, renovations, tenant improvements, and specialty systems. Working closely with general contractors, engineers, and inspectors, we deliver safe, code-compliant installations that meet project specifications, pass required inspections and testing, and perform reliably on demanding schedules.
We provide complete plumbing and gas systems for new commercial construction projects. From underground utilities and rough-in to final fixture installation and commissioning, our work is delivered on schedule and in full compliance with applicable codes and design documents.
Our team specializes in tenant upfits and interior build-outs for offices, retail spaces, and commercial facilities. We efficiently modify existing plumbing and gas systems to support new layouts, equipment, and occupancy requirements while minimizing disruption to ongoing operations.
We install and upgrade commercial plumbing systems designed for high-use environments. From domestic water and sanitary systems to fixtures and specialty piping, our work is completed in accordance with project specifications, local codes, and long-term performance requirements.
We install, modify, and service commercial gas piping systems for heating equipment, cooking appliances, and process loads. Our team handles gas piping for boilers, water heaters, rooftop units, commercial kitchens, and specialty equipment. All systems are properly sized, tested, and commissioned to ensure safe and reliable operation.
We install, modify, and service medical gas and vacuum systems for healthcare facilities, including oxygen, medical air, vacuum, and specialty gases. All medical gas work is performed by qualified personnel and installed in strict accordance with NFPA 99, NFPA 54, and applicable state regulations.
From system layout and equipment coordination to testing and certification readiness, we support medical gas projects from design through completion. Our attention to detail ensures systems are properly coordinated, compliant, and ready for inspection and commissioning.
Our design-build approach integrates planning, coordination, and installation under one experienced team. Early involvement allows us to reduce conflicts, improve scheduling, and deliver efficient, cost-effective plumbing and gas systems tailored to each project’s requirements.
Serving New England for over 30 years
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Service
Service is more than what we provide, it’s how we operate. At Guerin Mechanical Contractors, we treat every client, partner, and project with the same dedication and responsiveness, ensuring expectations are not only met but exceeded
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Craftsmanship
Craftsmanship is at the heart of every project we take on. We hold ourselves to the highest standards of precision, safety, and quality, ensuring that our work not only performs but lasts.
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Loyalty
Loyalty is the cornerstone of our relationships. We stand by our clients, partners, and team members, building trust through honesty, consistency, and long-term commitment
Proudly Veteran-Owned
Certified by the U.S. Small Business Administration as both a Veteran-Owned Small Business (VOSB) and a Service-Disabled Veteran-Owned Small Business (SDVOSB), Guerin Mechanical Contractors meets federal standards for ownership, management, and operational control. These certifications underscore our commitment to professionalism, regulatory compliance, and consistent project delivery.
