Education: Other trades certificate or diploma. Work site environment: Noisy. Hot. Cold/refrigerated. Odours. Outdoors. Tasks: Install and overhaul heating systems. Install ventilation, air handling and air conditioning systems. Interpret blueprints or other instructions to plan methods or sequences of operation. Measure and lay out reference points for installation. Read blueprints or other instructions to determine work requirements. Troubleshoot heating systems. Troubleshoot ventilation, air handling, refrigeration and air conditioning systems. Assemble and install refrigeration or air conditioning components. Coach and instruct apprentices. Measure, cut and connect piping using welding and brazing equipment. 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. Handle, recover and store refrigerants. Repair and replace parts and components for entire refrigeration, air conditioning, ventilation or heat pump systems. Certificates, licences, memberships, and courses : Working at heights training. Ozone Depletion Prevention (ODP) Certificate. Control systems: Electrical devices. Air conditioning and refrigeration systems: Heat pump. Filtration. Built up (split system). Humidification and de-humidification system. Ventilation. Security and safety: Criminal record check. Driver's validity licence check. Transportation/travel information: Valid driver's licence. Vehicle supplied by employer. Work conditions and physical capabilities: Physically demanding. Handling heavy loads. Standing for extended periods. Bending, crouching, kneeling. Attention to detail. Own tools/equipment: Steel-toed safety boots. Safety glasses/goggles. Gloves. Personal suitability: Punctuality. Client focus. Dependability. Excellent oral communication. Excellent written communication. Flexibility. Reliability. Team player. Screening questions: Are you available for shift or on-call work?. Are you available to start on the date listed in the job posting?. Do you have experience working in this field?. Do you have the required certifications listed in the job posting?. Experience: 3 years to less than 5 years.