The most disgusting company doing business. I had an alarm system, my house was burglarized...my insurance company determined the alarm failed due to FAULTY EQUIPMENT. ADT took no responsibility and claims no liability. I lost over $15, 000 due to ADT's negligence. And guess what, when you sign your contract - you are signing to allow for the system to fail. They guarantee you nothing! Read the fine print people - DO NOT USE ADT! Use someone local please! Don't believe me, check this out... read full review »