The Qualifications to Give You Peace of Mind At Service Experts Heating & Air Conditioning in Toronto, we’ve been serving the community since 1981 and all of our technicians and equipment installers are licensed, highly qualified and NATE-certified. We encourage you to read about NATE certification and all it requires. It’s a distinguished credential that our service folks have earned through study, experience, extensive training and testing. So if you should need HVAC service or repair, don’t just call some guy with a few wrenches and a truck. Call 905-453-6700 for Service Experts Heating & Air Conditioning in Toronto. We have all of the finest qualifications to provide expert furnace and AC repair and service. And all of our work is 100% guaranteed for a full year!