Business Details
Emergency
services
Your Trusted Partner for HVAC and Building Systems Solutions
Founded in 1882 by Michael Joseph Daly, our company began as a small mechanical contracting firm delivering pipe and equipment via horse-drawn trailers. Today, we leverage decades of experience and advanced technologies like building information modeling (BIM) and modular fabrication to construct and service buildings across Connecticut and Western Massachusetts. Our expertise spans mechanical/HVAC systems, fire protection, building automation, and service & maintenance, supported by a commitment to safety, collaboration, and customer satisfaction.As part of Arden Building Companies, one of New Englands largest mechanical/HVAC groups, we combine regional knowledge with nationwide resources to deliver total system responsibility. Our team prioritizes innovative solutions for commercial, educational, healthcare, and industrial projects, ensuring minimal disruption and maximum efficiency while maintaining 24-hour emergency service availability.
Services
HVAC Installation
Fire Protection
Building Automation
Service & Maintenance
Virtual Design
Highlights and features
- We offer over 140 years of combined experience in mechanical contracting.
- Our team utilizes advanced BIM and modular fabrication methodologies.
- We provide 24-hour emergency service for critical system needs.
- We are part of Arden Building Companies, a leading New England HVAC group.
- Our safety-focused approach minimizes disruptions during installations.
Services
HVAC Installation
We design and install commercial HVAC systems using advanced BIM technology and modular fabrication. Our solutions optimize energy efficiency while minimizing operational disruptions during installation. With expertise in both new construction and retrofits, we ensure climate control systems meet building-specific requirements for comfort, compliance, and cost-effectiveness.
Fire Protection
Our fire protection services include system design, installation, and maintenance for commercial and industrial facilities. We perform code-compliant inspections, fire pump testing, and emergency repairs to ensure life safety systems remain fully operational. Our technicians specialize in both modern and legacy fire protection infrastructure upgrades.
Building Automation
We implement integrated building automation systems for temperature regulation, lighting control, and system monitoring. Our solutions enable centralized management of mechanical systems through customizable dashboards. Training and 24/7 support ensure clients maximize energy savings and operational efficiency.
Service & Maintenance
We offer comprehensive maintenance plans and emergency repair services for HVAC, fire protection, and plumbing systems. Our 24-hour response team addresses critical failures while scheduled maintenance prevents downtime. Custom service agreements include preventive care tailored to each facility's operational demands.
Virtual Design
Our virtual design services utilize BIM technology for 3D clash detection and construction planning. This approach identifies potential conflicts before installation, reducing rework and project delays. We provide Trimble layout capabilities and Autodesk Revit modeling to enhance project accuracy and coordination.
People
Edward Carvalho
President
Edward leads Daly M J with strategic vision, overseeing operations and business development. His leadership emphasizes innovation, safety, and client relationships while maintaining the company's legacy of excellence in mechanical contracting.
Dan Nelson
Vice President Mechanical
Dan manages mechanical construction projects, bringing technical expertise and operational oversight. He ensures project execution aligns with client expectations while maintaining quality standards and safety protocols across all installations.
Paul Evon
Vice President Fire Protection
Paul oversees fire protection services, combining technical knowledge with code compliance expertise. He directs system design, installation, and maintenance programs to ensure client facilities meet safety regulations and operational requirements.
Questions
What services does MJ Daly offer?
We provide HVAC systems, fire protection, building automation, virtual design, and 24/7 maintenance services for commercial, industrial, and institutional buildings.
Which areas do you serve?
We operate throughout Connecticut and Western Massachusetts, supporting projects from initial design through ongoing maintenance.
Do you offer emergency services?
Yes, our 24-hour emergency service responds to critical HVAC, fire protection, and plumbing system failures.
Are you part of a larger organization?
We are part of Arden Building Companies, one of New England's largest mechanical/HVAC construction groups.
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