Commercial Appliances (CIGA1, CORT1, CDGA1)

These short courses in Commercial Appliances are designed to update experienced gas engineers to enable them to prove their competence in ACS.

What You Study

ACS assessments in the following fields:

  • CIGA1 - Industrial and Commercial Indirect Fired Appliances (boilers & warm air units)
  • CORT1 - Industrial and Commercial Overhead Radiant Appliances (radiant tube & plaque heaters)
  • CDGA1 - Industrial and Commercial Direct Fired Gas Heating Appliances

Duration and Attendance

CIGA1, CORT1 and  CDGA1 - 2 days

CDGA1 only - 1 day

Courses are delivered in a classroom/workshop environment, where you will also be assessed on your knowledge of legislative requirements and practical competency.

The awarding body for this course is BPEC.


National Gas Training and Assessment Centre, Fife College, Halbeath Campus, Pittsburgh Road, Dunfermline, KY11 8DY

Entry Requirements

The pre-requisite qualification for these assessments is CODNCO1 (Changeover from CCN1 to Commercial Core Gas Safety) or COCN1 (Commercial Core Gas Safety).


At a later date you may wish to extend your skills by moving on to domestic appliances, LPG or commercial/industrial gas installations.

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