Our mission
Founded in 1983, Groupe Pro-Sag draws on recognized expertise and a multidisciplinary approach to carry out projects tailored to each client's requirements.
With proven expertise in the field, we are committed to continuing to deliver innovative and sustainable approaches to meet the industry’s complex challenges. Our dedication to quality, reliability, and client satisfaction drives every one of our projects, making us a trusted partner for all your building systems needs. Looking to the future, we will continue shaping Quebec’s construction landscape with ingenuity and professionalism, integrating the latest technologies in energy efficiency to create sustainable buildings.
Our expertise
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
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
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
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
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
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
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
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

























