About the company
LS is a Québec-based company with over 45 years of experience in the building mechanical systems industry.
We specialize in ventilation, refrigeration, air conditioning, and heating services for institutional, commercial, and industrial sectors, both public and private.
About
Our projects
The successes and landmark projects that make us proud
Refrigeration services
Innovation in refrigeration for optimal performance and efficiency
Learn more
Join the team and build your future with us!
Since 1977, LS has built its success on the expertise, stability, and dedication of its employees
Welcome to LS, a company where respect, teamwork, pride, and everyone’s drive make all the difference.
From the start, we’ve focused on delivering ventilation and refrigeration solutions that are reliable, built to last, and grounded in our clients’ real needs. But technology and knowledge are only part of the story. Our people are what power our success.
Our greatest strength is our team.
Every day, on job sites and in the office, passionate individuals pull in the same direction to deliver top-quality work, staying true to our values and our commitments. Together, we move forward, we innovate, and we foster a company that’s strong, human, and worth being proud of.
Thank you to everyone who helps make LS such a stimulating, respected workplace.
Because of you, we keep going further. Together.
