As others have said, know one can tell you when it will need replacing. I will say that it has met or exceeded it's normal expected lifespan and you should budget for a replacement soon. It may last another 5 years, it may die tomorrow.
Typically we tell folks to expect 12-15 years, provided it has had good regular cleaning and maintenance. Without regular service, I have seen systems need to be replaced in as little as 7-8 years.
So...the question is, do you want to be pro-active or reactive? You will often find better prices during the winter months here, with no pressure to get it done ASAP. Rebates are often available during the winter months.
Do you want to have this work done while you are 1200 miles away?
A new complete system will me MUCH more efficient with a higher SEER rating. Also, it will have R410-A instead of the older , now costly R-22 refrigerant.
If the unit dies when you are away, you could risk mold issues. While it may cost you between 5-7K for a new system, you will save money in the long run with a higher efficiency unit.
The newer units seem to have a lifespan of only 10+ years.
I have heard many good things about Chuck Farrell.
Frank
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Florida licensed Home Inspector #HI688. (352) 250-7818
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