Windows AC with inverter compressor: Economical and easy to install. It has variable speed compressor which adjusts power depending on heat load and is energy efficient.  LG window air conditioners operate at sound levels as low as 44dB*, thanks to LG's unique BLDC Motor and DUAL Inverter Compressor™, eliminating unnecessary noise for smooth operation that you'll barely notice. LG Convertible 4-in-1 Air Conditioner is a perfect example to our air conditioning requirements as and when required. The varied models ascertain that optimum usages of energy is ensured without any compromises on the comfort quotient. Special Ocean Black Protection applied on copper tubes provides exceptional durability for the air conditioner in typical Indian regions affected from sand, salt, industrial smoke and pollutants.