Limcan Walker/Certified Service Experts Heating & Air Conditioning in Whitby Introducing Limcan Walker/Certified Service Experts Heating & Air Conditioning in Whitby. We’ve been servicing you and our Whitby community since 1985, and we’ve developed an entire roster of NATE-certified service technicians who know how to service, repair and install nearly every brand of furnaces, air conditioners, air handlers, inside air quality and related equipment. In fact, we have 19 technicians and 25 service trucks in the Whitby area alone. You know what that means? It means that you have our experts just minutes away, whether you’re in need of a furnace repair in the middle of a blizzard or an AC repair on a sweltering summer day. Just think of Limcan Walker/Certified Service Experts Heating & Air Conditioning as your all-around HVAC company. We service all makes and models of furnace and AC systems, and we sell them, too. Really, we do it all – residential service and maintenance, commercial HVAC services, indoor air quality. We even offer many home energy solutions so you can start lowering your heating and cooling expenses. In addition, all of our work is backed by our 100% Service Guarantee for a full year. That’s what we like to call “Expert Service, Guaranteed.” Call Limcan Walker/Certified Service Experts Heating & Air Conditioning in Whitby at (289) 274-4367 now to schedule an HVAC repair service, routine maintenance or to set up an appointment for a free new system estimate.