Laval, Quebec
Head Office
- Address
- 2005, rue Le Chatelier
Laval, QC H7L 5B3 - Hours
- Mon–Fri 8:00–17:00
- Phone
- 514-333-7333
- [email protected]
CONTACT
Reach the right team, fast
A quote, an urgent request, a careers question, or general information — go straight to the right resource. A member of our team follows up within one business day.
Four ways to reach us
Pick the option that matches your need
For projects
Request a quote
For design-build, retrofit, decarbonization, and planned preventive-maintenance projects in the commercial, industrial, and rental multi-residential sectors.
Open the quote form24/7 dispatch
Emergency repair
One number, one fleet, around the clock. Press option 1 for immediate dispatch.
Call 514-333-7333, option 1Join the team
Careers at Kolostat
Engineering, site-management, controls, and maintenance roles across four offices in Quebec and Ontario.
See open rolesGeneral inquiries
Send us a message
Partnership proposals, press inquiries, grant questions — an expert on our team follows up within one business day.
Send a message
Our offices
Four offices. One complete team for your projects
Laval (head office), Montréal (Energy Department), Toronto, and Newmarket (ON). Same organization, four addresses on the ground.
Quebec
Montréal, Quebec
Energy Department
- Address
- 276, rue Saint-Jacques, Suite 805
Montréal, QC H2Y 1N3 - Hours
- Mon–Fri 8:00–17:00
- Phone
- 514-333-7333
- [email protected]
Ontario
Toronto, Ontario
Toronto Office
- Address
- 151 Bloor Street W, 5th Floor
Toronto, ON M5S 1S4 - Hours
- Mon–Fri 8:00–17:00
- Phone
- 514-333-7333
- [email protected]
Newmarket, Ontario
Newmarket Office
- Address
- 1200 Stellar Drive
Newmarket, ON L3Y 7B9 - Hours
- Mon–Fri 8:00–17:00
- Phone
- 514-333-7333
- [email protected]
Need urgent maintenance?
24/7 dispatch — one number
For active outages or emergency service across Quebec and the GTA. Option 1 routes you straight to dispatch.
General inquiries
Send a message
For sales, press, partnerships, or general questions. A senior engineer follows up within one business day.
- [email protected]
- Phone
- 514-333-7333