37 Avenue Stirling



438-796-3978 / RBQ : 2530-1839


Have your heating system serviced by a reliable company like GAZ NAT-MAR in Lasalle. Whether you are an enterprise, a private customer or a public institution, we are at your service.

The importance of having your heating system serviced

The annual servicing of your heating system by a professional is an obligation.

Irrespective of the type of system you have (gas condensation boiler, underfloor heating, aerothermal heaters, heat-pump, etc.), GAS NAT-MAR can provide the maintenance service you require.

We check both the condition of your installation and its smoke extraction system. This allows us to locate any build-up of scale, which may have a negative effect on the functioning of your heating system, and help you improve your energy efficiency.

Our services

  • Natural Gas Installation
  • Plumbing
  • Emergency plumbing
  • Heating system installation
  • Heating system repairs
  • Heating system maintenance

We guarantee

  • Meticulous work
  • Safe, fast and reliable services
  • Excellent value for money

We offer our services on the North and South Shores of Montreal.

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Ensuring the long-life of your heating system!


Qualified heating engineers at your service

GAZ NAT-MAR is at your service throughout the year. We operate all over Montreal, the North and South Shore areas. Our plumbers/heating engineers are experts who work in a professional and meticulous way.

We ensure efficient maintenance and can also diagnose your heating system, regardless of its type (gas, fuel or other). You can rely on our expertise for the heating of your home interior of workplace.

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We operate in industrial, commercial and residential situations.


Fill out our contact form to learn more about our rates.

Qualified manpower, high-performance equipment, experience... All the prerequisites for the successful completion of your project!

Request a quote. We will respond quickly.438-796-3978

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