A+ means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Directive 2010/30/EU. A+ LG E09EM.UA3, Air conditioner outdoor unit, White, Cooling, Heating, 2500 W, 3200 W, A LG E09EM.UA3. Type: Air conditioner outdoor unit, Product colour: White, Air conditioner functions: Cooling, Heating. Energy efficiency class (heating) (Warmer heating season): A, Design load (cooling): 0.73 kW, Design load (heating) (Warmer heating season): 0.95 kW. Outdoor unit width: 71.7 cm, Outdoor unit depth: 23 cm, Outdoor unit height: 48.3 cm. Energy efficiency class (cooling) (old): A+