Electric company studies show conservation of electricity and savings in cost of operating air conditioners of 28%-30% by just cleaning and deoxidizing the condenser coil and that can be quick and easy with Miracoil because the condenser coil is on the outside of the unit and Miracoil is formulated especially for this purpose. Easy to use, just spray on, allow a few minutes to penetrate. No rubbing or scrubbing. Rinse with clear water. Lengthens life of the A/C. The less it is called on to cool, the less wear and tear on the operating parts. Non-Acid.