San Diego Carpet Cleaning uses low moisture hot water extraction when cleaning your carpets. Hot water extraction, also known as "steam cleaning" is a term used to describe a method that involves spraying a hot water solution at high pressure onto the carpet and simultaneously sucking out the water and dirt that comes up from the carpet fibers. Low moisture hot water extraction provides all the benefits of hot water extraction, but uses much less water. That's why it's the ideal method for deep cleaning your carpets.