What are the common causes of air conditioner failures?

What are the common causes of air conditioner failures?
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1 Answer

Answer :

Loss of Freon via pinholes in either the condenser or evaporator coil with time. It starts with noticing airless and less cold and it ends with compressor stopping due to its safeties build in.
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What should be done if an air conditioner stops working, instead of getting rid of it or calling an expert?

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Will an "outdated" round thermostat work with a new air conditioner?

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My window air conditioner has lost its oomph. How can I diagnose it without having to go through the hassle of removing it from window?

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