LG Standard 2.5kW High Wall SystemLG Standard Inverters are LG's stock range of wall mounted air conditioning systems. Although they are called a stock range, they are the most energy efficient and quietest units that LG have ever produced. LG are one of the household name brands that everyone has grown to love in regards to televisions, mobile phones and laptops, now they are pioneering air conditioning technology. All of our LG systems come with a 3 year warranty as standard (up to