An experienced air conditioning contractor knows exactly how to identify very early indicators of wear and tear in a/c devices
https://www.livebinders.com/b/3654577?tabid=c2dc94d1-ab6d-3680-3dfa-2280f0e3c6aa
A knowledgeable air conditioning contractor understands just how to detect early indications of wear in air conditioning bodies, allowing for safety nets just before primary break downs happen.