how can we fget our fride freezer repaired or renuded?

i bought afridgedairfrc185ff fridge freezer on 12 march2008 it has gone wrongh after 6 mnths the technician came a monthago but said it wanted new parts anew fridge fan fzr evaperator cover cracked,fzr sensor,all we get is they are waiting for parts we cant get any joy from huby electrical who is supposed to repair it can you suggest anything my wife says we need a new one as it hasnt worked properly since weve had it.