The old unit they said the dual capictor failed, the freon was low and it had a leak in the line that goes into the top side of the unit? (capillary tube is cracked) It has 1 lb of freon in it. He said the small line was a tough line to fix? It is 17 years old and the repair was going to be $800.00 this quote was from the expensive company out of all the quotes.