For over 35 years Major Air Systems has provided high quality service, materials and maintenance throughout Ontario for centrifugal and absorption chillers of all manufacturers. Our highly trained technicians are up-to-date on all the latest control panels and equipment in this high technology industry. From routine maintenance to emergency repairs we can diagnose, service and repair your chiller system 24 hrs a day. We get the job done quickly and efficiently to minimize your downtime and loss of production.