Mechanical Systems

For over 20 years DBM has designed, built, installed and maintained mechanical systems for diverse industrial, commercial, and institutional projects; new facilities or retrofits.  Our unique multidisciplinary approach to complex engineered projects ensures that owners’ expectations are surpassed in a safe, environmentally sound manner. Our services include plumbing/pipefitting and welding, heating, ventilation, air conditioning, ductwork, gas, boiler systems and much more.

Computer aided design / Building information modeling (CAD/BIM)

Over 100 skilled trade professionals including plumbing, steam/pipefitting, electrical, air conditioning, sheet metal, carpentry and welding disciplines.

60,000 square foot facility with sheet metal fabrication and piping fabrication to maximize prefabrication and minimize the need for field welds.

Service fleet of over 50 vans and trucks

Estimating department providing  fast and accurate quotes
Dedicated project management staff throughout the project life

In-house health and safety personnel to maintain the highest health and safety standards throughout  all  project  work.

Experienced in handling specialty systems in sensitive environments

Modular construction


Building start-up and commissioning
Energy retrofits and upgrades

Boiler reconstruction

Custom prefabrication, modular fabrication, skids

LEED practices

Design/build turnkey installations

Pre-construction planning
We incorporate electrical contracting, mechanical construction, building automation, service and project management expertise into a full-service offering for our clients enabling greater project efficiencies and cost reduction.

Plumbing/Pipefitting and Welding

Our team of professionals offers a wide variety of plumbing and welding services. Whether for new installations or repairs, we offer you high quality work in a timely manner while respecting the budget in the following areas: installation of compressed air pipes, installation of hot water systems, installation of boilers and piping, piping in industrial process, and prefabricated piping assemblies (coils, platforms for pump).
We are CWB certified in W47.1 and W47.2 standards.

Heating, Ventilation and Air Conditioning (HVAC)

We offer commercial and industrial HVAC services in the fields of manufacturing, installation of sheets, piping, refrigeration, ventilation, industrial ventilation ducts, flue gas pipes and more.  Our highly skilled technicians can help you with:
  • Planning and design of HVAC systems
  • Fabrication and installation of HVAC systems
  • Sheet metal fabrication and installation
  • HVAC maintenance
  • HVAC repair and/or reconstruction
  • Gas boiler maintenance
  • Integrated facility management
  • HVAC control system
To ensure the highest quality of our work, we fabricate most HVAC systems and ductwork in our production plant using state-of-the-art machinery and the highest quality sheet metal materials.  We produce over x lbs of duct work annually in our sheet metal plant using different types of material including steel (galvanized, stainless), aluminium, titanium, plastic, copper and other materials.


From new construction to retrofits and more, we offer electrical contracting services including:
  • estimating
  • analysis and engineering reviews
  • pre-construction analysis and constructability reviews
  • installation
  • commissioning
  • ongoing maintenance, service and repair
  • and more
Our capabilities include:
  • power and emergency power distribution systems
  • UPS and grounding systems
  • all infrastructure services, from low to high voltage
  • all wired systems, including building automation, lighting, fire alarm, security, and more
  • LEED-certified electrical design