Commercial Plumbing, Heating, HVAC Installation & Service

Mechanical Contractor in Toronto (GTA)

MSB Mechanical Ltd, established in 2010, offers extensive institutional and industrial contracting experience in Commercial Plumbing, Heating and HVAC Installation,  Service and Repair in Toronto.  Commercial Boiler Service, Repair, Maintenance, Hydronic Heating and Cooling, and related equipment and services in Toronto, Markham, Richmond Hill, Aurora, Newmarket, Scarborough, Vaughan, York, North York, Etobicoke, Mississauga, Brampton, Oakville, Durham, Peel, and surrounding GTA.

Completed  projects and services include new builds, renovations, plumbing,  combustion  heating and boiler installation and servicing, rooftop and  air handling units, emergency on-call services and preventative  maintenance plans.

MSB Mechanical is well respected in the industry for consistently achieving  high customer satisfaction ratings with certified tradesmen  including plumbers, gas technicians, oil technicians, steam fitters,  refrigeration mechanics, controls technicians, electricians and welders.  

MSB Mechanical is dedicated to consistently providing outstanding  installation, maintenance and service of Commercial HVAC systems, and  Boiler systems throughout the greater Toronto area (GTA).


1160 Kerrisdale Blvd, Unit 7

Newmarket, ON, L3Y 8Z9

Complete Mechanical Installations



Our clients satisfaction is number one.
We are  pre-qualified contractors with the TDSB, TCDSB, YRSDB, YCDSB, DDSB, Town  of York Region, City of Vaughan, Toronto Community Housing  and several others.
Proud Members of Union  Local's 46 

and 787 


 MSB is diverse and able to tackle your needs whether large or small.
From  new construction, additions, renovations and maintenance projects we  treat every job with the same level of importance and care. 


Our portfolio includes the successful construction of schools,  commercial buildings, municipal offices, shelters, libraries, university's, and more. 

MSB has Service contracts with  the YRDSB, YCDSB, DDSB, City of Vaughan, Town or Georgina, and Municipality of York.



What's more important than a deadline? Nothing.

We love nothing more than to help our clients deliver the job they  expect by working hand in hand with all parties. We have a proven track  record of making that happen, even under the most intense deadline  pressure's. Let us manage the details that trip up most big construction  projects so that your fate isn't with those who didn't plan for  success. 



  • Complete building plumbing & HVAC systems installation
  • Sheet Metal Fabrication Shop
  • Design/build mechanical systems
  • Riello, EnerPro and Fuel Master Certified Boiler Technicians
  • Oil Burner Technicians
  • Natural Gas line Installations



  • 24/7 HVAC maintenance and repair
  • Mobile Welding Services and Hot Taps
  • Preventative maintenance plans
  • Combustion Analysis
  • Liquid Propane
  • Building Automation, Pneumatics and Commissioning