Air conditioning service providers can determine signs of wear in older units

https://www.scribd.com/document/858680473/Airco-Reparatie-Wat-te-Doen-bij-Problemen-in-het-Groene-Hart-195755

Air conditioning contractors may identify indications of wear and tear in much older devices, urging clients on whether repair work or even replacement is the a lot more cost-effective solution long-term.