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Question DetailsAsked on 6/6/2014

Purchasing a 10 year old house, current a/c temperature differential is at 12.8. Should I repair or replace new?

Had a home inspector inspect the place and was told the 3ton capacity a/c was not cooling well and sellers had provided a service repair recipe from the previous month indicating that there is a freon leak but no repair work was mention. The a/c is already 10 years old and wondering if anyone has any good advice as to repair or negotiate for a new ac.

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2 Answers


Hi, this is Meranda with Angie's List.

You can log in at and search for the category "heating & A/C" to see our top rated providers in your area. Contact a couple and ask approximately what this would cost to replace, and then use that to negotiate with the sellers, asking them to pay for the repair, pay part of the repairs or lower the sale price based on this information. The worst thing that happens is they say no. (FWIW: I did this when I bought my house three years ago. We told the sellers we wanted them to pay $5,000 toward replacement of the HVAC system, which had been original to the house and though in working condition was beyond its expected life. We ended up spending about $7,200, of which they paid $5,000, to replace the furnace and heat pump. We upgraded to a better/more efficient system than the original, but we went in knowing what the average cost of replacement in our area was going to be.)

You can also contact our call center at 1-888-944-5478 or send a written request to for more help finding a contractor. The call center hours are Mon-Fri: 8:30am – 8:15pm ET and Sat: 8:30am – 3:00pm ET

Good luck!


Answered 4 years ago by Meranda


Dear sir,

A 10 year old air conditioner still has some useful life.(mine is 20 years old in southern california and I just had my first repair today) Of course the new units are more efficient but the payback may not be worth it. I would have this unit pressure tested and leak checked. The pressure test would be a 150-200# test with nitrogen.

Inquire with your friends and neighbors and enlist the services of a reputable air conditioning contractor and tell the contractor the history. Tell him just adding refrigerant is not satisfactory. Expect this to be a rather expensive repair, depending on where the leak is, and get a warranty on the repair for at least one year parts and labor.

Otherwise plan on a new unit if you are financially able; but if the leak is in the copper lines and they do nor replace the lines then nothing would be accomplished. Good Luck.

Source: Experience

Answered 4 years ago by PoppyRoss

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