A major company operating in the maintenance and operations field is looking to contract with: 1. AC Technician (Package Units) and Pumps 2. AC Technician (Chillers) and Pumps Send your CV to the email. Experience: No less than 3 years. Working with central air conditioning systems, window units, split units, main air handling units and their accessories. Inspection, maintenance, fault diagnosis, parts installation, and writing technical reports. Maintenance of water pumps (irrigation - chilled water) including lubrication, bearing replacement, and periodic repairs.