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Our mission...

The Pro-Sag group, founded in 1983, has established itself as a true pillar in the field of building mechanics in Quebec.

With well-established experience, we are determined to offer innovative and sustainable solutions to meet the complex challenges of the industry. Our commitment to quality, reliability and customer satisfaction guides each of our achievements, making us the trusted choice for all your projects in building mechanics. With an eye toward the future, we will continue to shape the construction landscape with expertise and determination.

Our expertise

Ventilation, air conditioning, refrigeration and heating

Ventilation, air conditioning, refrigeration and heating

We are professionals specialized in ventilation, air conditioning, refrigeration and heating, whether it be for design, supply of equipment, manufacturing or installation.

Industrial piping, natural gas, medical gas and plumbing

Industrial piping, natural gas, medical gas and plumbing

Versatile and experienced in the design, estimation, fabrication and installation of major plumbing and industrial piping projects, we are also able to handle medical gas and natural gas projects as well as efficient heating and energy recovery systems, all in compliance with the various standards in effect. In addition, we have qualified welders as well as experienced plumbers and pipe fitters who can perform all types of plumbing and piping work.

Energy efficiency

Energy efficiency

We have a role to play with our customers who are committed to the path of efficiency and energy performance. We are here to take part in the realization of your project in order to exceed your expectations and push the limits of ingenuity.

Preventative maintenance and technical support

Preventative maintenance and technical support

This division includes several qualified and experienced technicians and refrigeration specialists who can easily design, manufacture and install various types of refrigeration systems, all in compliance with environmental standards.

Instrumentation/control

Instrumentation/control

Our certified automatic control designers and technicians are able to design, install, program and test automatic control systems for all types of HVAC systems, piping, etc

Manufacture of ventilation ducts

Manufacture of ventilation ducts

State-of-the-art manufacturing workshop with an area of ​​20,000 square feet, designs and manufactures the most complex parts in the field.

Ventilation duct cleaning

Ventilation duct cleaning

This growing division performs ventilation system cleaning work in the commercial, institutional and industrial sectors. Our trained teams work according to health and safety procedures established by the group.

Design/drawing room

Design/drawing room

Our team of qualified designers and draftsmen, equipped with state-of-the-art 3D software, develop HVAC systems, various piping projects, organize fabrication, space planning and eventual coordination with other trades on the job site. All of this helps manage conflicts which greatly facilitates installation at the job site while avoiding unwanted delays and costs.

They trust us