Leading Quality Projects
The John F. Gallagher Co. has become an industry leader by employing an exceptional management team, the latest technology and cutting edge processes to provide value added Plumbing and HVAC Solutions, Design Build Services, as well as cost effective Service and Preventative Maintenance. We are focused on identifying and building long‐term relationships with clients who understand that we will always deliver projects on ‐time, without problems for a fair price.
Renovation/Remodel/
Retrofit
Modernizing facilities with upgraded systems, efficient designs, and tailored solutions to extend the life and performance of your building.
New/Ground-Up Construction
Delivering complete mechanical and facility solutions from the ground up—built with precision, efficiency, and lasting quality to meet your project’s unique needs.
Fit-Out of Shelled Spaces
Transforming unfinished spaces into fully operational, customized environments with complete mechanical, plumbing, and HVAC solutions tailored to your facility’s needs.
Turnarounds/
Shutdowns/Outages
Providing rapid-response expertise to minimize downtime and keep your facility running. Our team delivers safe, efficient solutions during planned or emergency interruptions.
Construction
Innovative Solutions, Smarter Processes, Superior Results
Mechanical Construction
Delivering innovative solutions tailored to each client’s needs. With a focus on safety, quality, and efficiency, our team ensures every project is completed on time, within budget, and to the highest standards of craftsmanship.
Virtual Construction
From planning to delivery, we leverage advanced CAD/CAM technology and in-house prefabrication to streamline projects, reduce costs, and accelerate timelines. Our commitment to innovation ensures superior quality and lasting value for every client.
LEAN Construction
We integrate proven LEAN principles into every stage of design and construction—streamlining workflows, reducing waste, and driving efficiency. Our collaborative approach ensures reliable schedules, cost savings, and high-quality results delivered on time and within budget.
Services
Comprehensive Facility Services for Comfort, Safety & Efficiency
Commercial HVAC Services
From installation and retrofits to maintenance and repairs, we deliver comprehensive HVAC solutions for every system type. Our licensed specialists keep your business comfortable and efficient with expertise in cooling, heating, air quality, and energy management.
Commercial Plumbing
We provide reliable plumbing solutions to keep your operations safe and efficient. From emergency service and certified installations to drain cleaning, re-piping, and backflow prevention, our licensed team delivers expert service for projects of any size.
Preventative Maintenance
Protect your facility investment with customized maintenance solutions designed to maximize efficiency, extend equipment life, and minimize costly repairs. From boilers and chillers to HVAC, cooling towers, and plumbing systems, our expert team keeps your operations running reliably year after year.