No, todays air conditioning systems are made to last many years.
The truth is, it has changed dramatically.
Servicing an air conditioning system takes training, experience, and equipment.
When refrigerant leaks out of the system it also leaks oil out and just like an engine the air conditioning system has oil in it to lubricate the compressor and it’s associated parts. Just like an engine too much or too little oil is not a good thing. It’s impossible to know how much oil is in the system by just recharging. Also keep in mind the impact on the environment the refrigerant is having when you knowingly allow it to leak out.
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You have no idea if that part is any good or not. We have seen many used parts installed only to find they are no good and must be replaced again. A used part is an unknown and nothing but a waste of money and time. They rarely represent true savings?
For further information please check out our A/C Blog