To thrive as a Walmart HVAC technician, you need strong technical knowledge in heating, ventilation, air conditioning, and refrigeration systems, usually supported by relevant certifications such as EPA 608. Familiarity with diagnostic tools, building management systems (BMS), and preventive maintenance software is essential. Attention to detail, problem-solving skills, and effective communication help technicians efficiently coordinate with store management and vendors. These skills and qualities are vital to ensure the safe, reliable, and energy-efficient operation of HVAC systems throughout Walmart facilities.