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Question DetailsAsked on 4/7/2016

Freon is leaking from the coils in my central air AC. It is an old unit. Better to replace coil or the whole unit.

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2 Answers


Did you get a replace the coil price? It is often well over half of a new system these days! With only a one year warranty on the coil.

So , yes I would replace the system, if it has an indoor and outdoor unit, replace both to have a properly matched system for efficiency and proper operation.

New system should have a 10 year parts warranty, so coils, etc. warrantied for ten years.

Lots of new features available today, for comfort and efficiency, check them out.


Answered 4 years ago by BayAreaAC


You can find a lot of other previous similar questions with responses addressing life cycle payback, warranty differences, cooling efficiency, energy savings, effect of your expected number of years of residency in the home as it affects economics, etc with repaired versus new units in the Home > HVAC link in Borwse Projects, at lower left.

Answered 4 years ago by LCD

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