The online home of ontario's commercial plumbing and heating experts



Specializing in:

- Commercial Plumbing and Heating Service + Installations

- Hydronic Heating Systems

- Hot Water Boilers + Steam Boilers

- Pumps

- Backflow Testing


Plumbing, Steam Fitting, Gas Fitting 


Serving: Durham, The GTA, Peterborough and the Kawarthas



Services Offered

Commercial Plumbing Solutions + Service

We recognize existing high-rise plumbing projects can be intrusive and problematic. In our 20 years of commercial plumbing and heating experience, we can handle any project, or servicing you may need, including but not nearly limited to:

- Commercial Backflow Testing

- High-Rise DHW Distribution Solutions

- Building Re-Piping

- Commercial Water Main Replacement


Hydronic Heating System Install & Service

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Over the past 20 years of business, our expertise of commercial boilers, and hydronic systems has been refined to perfection. Through completion of many projects for various property management firms in Ontario, we have gained extensive knowledge to perfectly complete:

 - Re and re projects with the latest boiler technologies

- Offer solutions to existing commercial boiler systems

- Service all pumps and piping

Steam Boiler Systems

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 As a commercial plumbing and heating contractor we have been directly recommended to install boilers manufactured  by Fulton  all over the Southern Ontario. We also hold a spotless record with the TSSA as they have had to approve and record our high pressure steam boiler installations. As with all of our work, we guarantee all steam system installations and/or servicing will be done so to the highest standard; ours.

Have Mechanical Questions That Need Answers?

Have no fear! Let us share our knowledge of commercial plumbing and heating systems before you commit to taking on a new project.


We offer a paid consultation service aiming only to give honest and professional solutions to your commercial plumbing and/or heating issues. 


This includes: consultation for troubleshooting existing systems, expert second opinion for ongoing projects and consultation for design on future projects.


Contact us today for any question

Contact Us

24 Hour Emergency Service Available

We strive to be in constant communication with our customers until the job is done. For emergency service, to get a free quote, or if you have questions or special requests, just drop us a line. We look forward to serving you!

Molinnus Plumbing and Heating

Ontario, Canada

Office (905) 831-1539 Email G.Molinnus@rogers.com

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