Education: No degree, certificate or diploma. Tasks: Install gas heating units and their components. Measure and mark reference points for installation of gas lines and equipment. Service gas heating units and their components. Install and maintain meters and regulators and gas lines between gas unit and gas meter. Repair and service gas appliances and related equipment. Advise clients regarding standards, safety features and maintenance of gas units and systems. Study drawings and specifications to determine the layout of the installation and materials required. Test and replace defective equipment or components. Screening questions: Are you authorized to work in Canada?. Are you available to start on the date listed in the job posting?. Are you currently a student?. Do you have experience working in this field?. Do you have the required certifications listed in the job posting?. Do you meet the language requirements listed in the job posting?. Experience: 1 year to less than 2 years.