Air conditioners are a lot less pricey to fix than to change. You may need to change your system if you multiply its age in years by the estimated repair prices and the result is even more than $5,000. The repair is more than 50% of the system's purchase cost. https://hvacservices07273.blogdal.com/36942591/american-energy-heat-air-things-to-know-before-you-buy