Education: Secondary (high) school graduation certificate. Tasks: Install and overhaul heating systems. Install equipment in refrigerated trucks used to transport food or medical supplies. Install refrigeration systems. Install ventilation, air handling and air conditioning systems. Troubleshoot heating systems. Troubleshoot ventilation, air handling, refrigeration and air conditioning systems. Assemble and install refrigeration or air conditioning components. Measure, cut and connect piping using welding and brazing equipment. Handle, recover and store refrigerants. Repair and replace parts and components for entire refrigeration, air conditioning, ventilation or heat pump systems. Employment terms options: Early morning. Experience: 7 months to less than 1 year. Employment terms options: Evening. Morning. Day. Green job: Involves duties and responsibilities that lead to positive environmental outcomes. Support for persons with disabilities: Offers mentorship, coaching and/or networking opportunities for persons with disabilities . Support for newcomers and refugees: Offers mentorship programs that pair newcomers and/or refugees with experienced employees . Support for youths: Offers mentorship, coaching and/or networking opportunities for youth. Support for Veterans: Offers mentorship, coaching and/or networking opportunities for Veterans. Support for Indigenous people: Offers mentorship, coaching and/or networking opportunities for Indigenous workers . Support for mature workers: Offers mentorship, coaching and/or networking opportunities for mature workers . Supports for visible minorities: Offers mentorship programs that pair members of visible minorities with experienced employees.