Breen & Sullivan Mechanical Services - A Leader in HVAC, Electrical, and Plumbing Systems and Solutions for New England

We are a privately held commercial HVAC services company located in Danvers, MA serving building owners and operators across the greater Boston metro area and surrounding counties in Massachusetts since 1992.

Our company specializes in designing, engineering, and installing complete comfort systems for owners of existing homes and buildings just like yours. We take special pride in the craftsmen we train and employ--a fact you'll notice immediately in the attitude and integrity they bring to your job site. Our entire company works hard to make your experience with us hassle-free and enjoyable. Should we make a mistake, we will do everything in our power to correct it to your satisfaction.

From the professionalism of our sales engineers, to the dedication of our field personnel, we are dedicated to delivering you the best. We take our responsibility very seriously when you place your trust in us. We pledge to always tell you up front what your cost will be to complete your job correctly. We make it a point to go over any details or limitations of the proposed system that will affect your enjoyment of the end result. You are told exactly what to expect up front.

As a member of the Service Logic family of companies, we have a deep support system and breadth of experience to draw on as we continue to expand services for new and existing clients alike.

Client Support

Every Breen & Sullivan Mechanical Services client, regardless of size, receives the same high level of professionalism for the HVAC systems and solutions we provide. While we’ve certainly expanded through the years and plan to continue strategic growth through our affiliation with Service Logic, we realize our success is based on a commitment to long-term, mutually beneficial relationships with our clients.

Our portfolio includes healthcare, financial, religious, airports, labs, and mission critical data centersthroughout New England. Clients depend on our HVAC services for both full service and preventive, maintenance-only HVAC contracts to owner-occupied and managed buildings.

Team Driven

Our team of engineers, technicians and sales professionals are among the most talented and customer-focused in the industry. In fact, our HVAC technicians are so trusted that 90% of our business comes from long-term service customers who depend on Breen & Sullivan to:

  • reduce energy costs

  • extend equipment life

  • reduce the risk of equipment downtime

  • prevent expensive repairs

The entire team is continually trained on the latest developments in brand-specific equipment, technical advancements, and energy-efficient best practices, through our industry-leading education program. While many of our employees have been with the organization for years, we are constantly sourcing the best and brightest talent available.

Technologically Advanced

Providing our clients with best-in-class services requires a commitment to best-in-class business systems. Breen & Sullivan Mechanical Services’ enterprise platform includes a state-of-the-art service center providing customized tracking and tasking, VoIP Data, Accounting and CRM tools. We also have the latest in engineering, estimating, energy modeling and project management tools. These resources, coupled with our quality team of experts with domain knowledge and experience, ensure consistent results.