Quote:
Originally Posted by karostay
25 year old AC unit still working ! New ones life expectancy is 12 -15 years..If it were me not broken keep using it if your unit goes they can replace it in a day.
Just to be safe call your service company get a quote so you won't be take advantage of when the time comes. Just my opinion.
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He reports his unit was 25 years old. I'm no expert BUT, his old unit was surely designed to run on the no longer made Freon. Being that old he likely needs to regularly add Freon due to leaks
and the old stuff is getting very expensive and what they are putting in is likely recycled.
Today the minimum SEER rating is. if I recall 13. His probably wasn't even rated but likely started out as 6. His ducts after 25 years surely need some work.
I would expect at least 1/3 lower electric bills.