Your air conditioner does work hard during long and extremely humid summers in Raleigh, over time specific components of the air-conditioning system wear out and malfunction. Sometimes this malfunction causes incomplete cooling and creates sounds; sometimes, it drains much energy from the house and causes complete shutdowns to the air-conditioning system. Once learning the parts that usually fail, one can then know the early signs of these failures and be able to take action before simple failures become major problems.
