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.
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
Four ways to reach us
Pick the option that matches your need
For projects
Request a quote
For design-build, retrofit, and decarbonization projects across Canada, and planned preventive maintenance in Quebec and Ontario — commercial, industrial, and rental multi-residential.
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 at our five offices — Laval, Montréal, Toronto, Newmarket, and Calgary.
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
Five offices. One complete team for your projects
Laval (head office), Montréal (Energy Department), Toronto and Newmarket (ON), and Calgary (AB). One organization, five offices, projects across Canada.
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
- 905-898-7979
- [email protected]
Alberta
Calgary, Alberta
Calgary Office
- Address
- 6815 8th Street NE, Suite 290
Calgary, AB T2E 7H7 - Hours
- Mon–Fri 8:00–17:00
- Phone
- 514-333-7333
- [email protected]
Projects across Canada. Maintenance, repair and 24/7 service in Quebec and Ontario, from our Laval, Montréal, Toronto and Newmarket offices.
Need urgent maintenance?
24/7 dispatch — one number
For active outages or emergency service in Quebec and Ontario. Option 1 routes you straight to dispatch.