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From old systems to state-of-the-art heating systems, we've seen it all. A family business in business since 1947, R&G Legault specializes in heating systems, air conditioning and ventilation systems, as well as systems connected to natural gas.


Our company is qualified in sales, installation and repair in the following areas:

  • Electric or gas heating systems

  • Air treatment systems with filtration

  • Ventilation and air treatment

  • Air conditioning systems

  • Hydronic systems

  • Heat pumps

  • Forced air systems


Reliable and certified technicians

We have the most qualified personnel who have worked for the company for several years. In addition, each employee holds a competency card in their field of expertise.  Based in Dorval, we operate in Montreal West and surrounding areas


Request a quote to be guided by one of our experts

Comfort, quality and expertise

R&G Legault has over 75 years of experience in air conditioning, ventilation and heating. 

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