M J Daly LLC

Air conditioning contractor
4.3(11 reviews)
110 Mattatuck Heights Rd, Waterbury, CT 06705
M J Daly LLC

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About M J Daly LLC

M J Daly LLC operates as a mechanical contracting firm headquartered in Waterbury, Connecticut, delivering comprehensive building systems services across the state and into Western Massachusetts. With a 4.3-star rating derived from 11 client reviews, the company maintains a presence in the Naugatuck Valley region and serves commercial and residential clients requiring integrated HVAC, fire protection, and building automation solutions. Their operational footprint encompasses new system installations as well as upgrades to existing infrastructure for clients needing total system responsibility.

What distinguishes M J Daly from regional competitors is their in-house fabrication shop and virtual design capabilities. The company employs BIM (Building Information Modeling) workflows with Autodesk Revit and Navisworks software, enabling clash-free detection during project planning phases. Their service menu includes 24-hour emergency response for both mechanical and fire protection systems, a critical differentiator for property managers managing round-the-clock facilities. The firm also maintains capabilities in building automation integration, allowing clients to centralize temperature and lighting control through single-interface systems.

Client narratives from verified reviews highlight technician Jose as a responsive point of contact for ongoing HVAC maintenance in apartment settings, with clients noting his ability to navigate complex situations over extended service relationships. One reviewer specifically references Jose's consistent problem-solving across multiple service calls, describing the back office as fair and communicative. Positive feedback for the fabrication shop emphasizes staff professionalism, while additional reviews celebrate the company's collaborative working environment.

What Customers Say

6 of 11 reviews award 5 stars, with satisfied customers praising the fabrication shop quality, technician responsiveness, and professional staff. Both 1-star reviews cite driver behavior incidents involving company vehicles on public roads rather than service quality, suggesting these complaints relate to conduct outside actual HVAC work.

Working Hours

SundayClosed
Monday8 AM–5 PM
Tuesday8 AM–5 PM
Wednesday8 AM–5 PM
ThursdayToday8 AM–5 PM
Friday8 AM–5 PM
SaturdayClosed

Services

HVAC Installation & Maintenance

New system installation, upgrades, retrofits, and ongoing preventive maintenance for heating and cooling equipment.

24-Hour Emergency Service

Round-the-clock emergency response for both HVAC and fire protection system failures.

Fire Protection Systems

Installation, upgrades, code-compliant inspections, fire pump testing, and emergency repairs.

Building Automation

Temperature control, lighting control, system integration, and centralized building management setup.

Virtual Design & Construction

BIM-based project planning with 3D clash detection using Autodesk Revit and Navisworks workflows.

Pipe Fabrication

In-house sheet metal and pipe fabrication supporting custom installation requirements.

Frequently Asked Questions