Artur I could'nt agree more. I regularly advise customers on things I notice. Air conditioning duct work disconected, heat ducts loose, plumbing or roof leaks. Once I noticed the exaust on an overhead gas heater was completely rusted through. It was this summer so I shut off the gas, He did'nt like the news but the three people working there were releived to know that the headaches they were having last heating season was not all in there heads.( Yes Jeff pun intended)

Definition of an I.T. expert: A Person with the telephone number of the Person with the answer.