Welcome to M.J. Daly LLC.
For over a hundred years, we’ve been here to insure your HVAC,  fire protection and plumbing systems are designed, installed and serviced to meet your needs and save you operating costs for the life of your building. 

M.J. Daly was acquired in the summer of 2006 by Arden Building Companies, LLC of Pawtucket, R.I., the parent company of Rhode Island's largest mechanical contractor, Arden Engineering Constructors, LLC.( www.Ardeneng.com ) Since then, we have re-committed ourselves to our customers and their building’s mechanical system’s needs.

We deliver quality solutions in sprinkler design, construction and service, HVAC design, installation and service and specialized systems made by our large pipe fabrication and warehouse facility.

We are trained, certified, experienced and ready to meet the goals and needs of your building. We can design and install new systems, retrofit or repair your exiting systems, and provide comprehensive preventative maintenance programs to preserve and maximize the life expectancy ( and cost ) of your equipment, your building; your investment.

Find out how M.J. Daly can help you. Our services include:

• Sprinkler design, installation and service
• Mechanical design, installation and service
• Plumbing
• Heating
• Air Conditioning
• Design, fabrication and installation of piping system

For Emergency After Hours Service, Please call toll-free:

1-866-851-0137

AFFILIATIONS

Employees: check out the new employee safety website !