Discussing service from ADT Security

Bad Service received from ADT Security. I been a customer with ADT for pass 6 years but ADT Security never give me any service they given me faulty system which they said will sort out never happen till today. They system do not work in time of need. ADT Security never check when my property even if we call or press the panicky button. What I am paying for.every month for. ADT is *****ing my month not providing me with proper service. They just take my money every month without fail but there service suck discussing. I what my money back no long need such **** service .