How Long Should a Furnace & Air Conditioning Unit Last?. A heating, ventilation and air conditioning... - read more
Jun 02, 2009 · How much is Freon per pound and how many pounds can be pumped into a central AC unit? - read more
Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about how long does freon last in ac unit.