Upon arrival landlord met me on site. Tenant stated that system has worked in three weeks and had been struggling even when it was working to keep the house cool. Tenant stated that when unit would come on it would run and turn off. After inspection of system found that unit had a failed outdoor capacitor. Condenser coils are very clogged, condenser fan motor was very hot to the touch, contactor is very pitted and hard start is corroded. System is 15 years old. Checked in crawl space at system and found that duct work is very worn out, insulation is falling off and a section of the duct work is laying on the ground no properly hung. Checked furnace and blower wheel is very dirty, blower capacitor is bad, blower motor was very hot to the touch. Heat exchange showing signs of rust inside and outside of chamber. Drain line has a lot of bellies in from warping over the years. Gave customer estimated prices on repairs for equipment, changing outdoor capacitor and blower capacitor would get