The lifeblood of any air conditioning system is the refrigerant that is pumped through the copper lines. Over time, these lines can become contaminated and clogged with displaced oil from the compressor which builds up along the inside walls of the line which reduces the efficiency of heat transfer and causes friction. AC ReNew will remove any oil and return it to the compressor and also coat the copper lines to prevent oil clogging in the future. Extensive testing has shown AC ReNew to reduce electricity usage of air conditioning systems by an average of 11% as well as reducing operating noise. One application of AC ReNew will last the lifetime of the system and is compatible with all units.