Education: Other trades certificate or diploma. Work setting: On-site customer service. Tasks: Install and overhaul heating systems. 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. Provide customer service. Start up system and test for leaks using testing devices. Perform maintenance such as, recharging system with refrigerant, checking and testing regulators or calibrating system. Interpret gas codes. Repair and replace parts and components for entire refrigeration, air conditioning, ventilation or heat pump systems. Certificates, licences, memberships, and courses : Refrigeration and Air Conditioning Mechanic Red Seal Certificate. Air conditioning and refrigeration systems: Rooftop (self-contained). Heat pump. Transportation/travel information: Valid driver's licence. Work conditions and physical capabilities: Physically demanding. Bending, crouching, kneeling. Attention to detail. Own tools/equipment: Steel-toed safety boots. Personal suitability: Punctuality. Accurate. Client focus. Reliability. Team player. Screening questions: Do you have experience working in this field?. Experience: 3 years to less than 5 years. Green job: Involves duties and responsibilities that lead to positive environmental outcomes. Health benefits: Health care plan. Other benefits: Variable or compressed work week.