To install a wall-mounted LG air conditioner, first turn off power at the circuit breaker. Measure the wall Studs and mark the bracket position, ensuring it aligns with the unit’s weight capacity. Secure the bracket with screws into studs or wall anchors. Connect refrigerant lines, electrical wiring, and drain hose, ensuring airtight seals. Mount the indoor unit to the bracket, connect all components, and test operation. For exterior units, follow similar steps but prioritize weatherproofing and proper grounding. Always consult the owner’s manual for model-specific requirements.

The process prioritizes safety, efficiency, and compliance with building codes. According to the U.S. Occupational Safety and Health Administration (OSHA), improper electrical connections account for 15% of workplace accidents involving HVAC systems, underscoring the need for professional guidance or certified electricians. Energy Star data highlights that correctly installed units achieve 15-20% higher SEER ratings, reducing energy costs by up to 30% annually. Labor costs average $500-$1,200, per HomeAdvisor, withDIY attempts risking voided warranties or injury. Additionally, improper mounting can lead to refrigerant leaks, costing $200-$500 in repairs, as noted by the Environmental Protection Agency (EPA). Proper installation ensures optimal airflow, longevity, and compliance with federal efficiency standards, safeguarding both health and finances.