HVAC company Hamilton ON

[EvilMonkey]

I'm looking for info about HVAC companies in Hamilton, ON region.
Preferably 20-50 employees, installing brands with good manufacturer support (Extranet, courses, 24/7 hotline etc).
Thanks for info. 

[Admin]

Brenmar Heating & AC - http://www.brenmar.ca/

They're a Carrier dealer who service and install mostly residential.