Carrier Air Conditioning. - 1985 - 87 : Air conditioning service - controls technician. A wide variety of contracts for service, system upgrades, air and water balancing.
 Commissioning centrifugal and reciprocating chillers and A.C. systems. Repairs to refrigerant circuits. Fault diagnosis in general.
 Apprentice on-site training.
 Servicing pumps, fans, control valves, dampers, automatic filters (and H.V. electrostatic).
 Setting up A.C. system economy cycle and fire damper control.
 Computer interface installation.
 Laid-off on loss of driver's licence.