Repair vs. Replace: When to Stop Fixing an Old AC

https://seoneo3.blob.core.windows.net/mass-hvac/uncategorized/oversized-vs-properly-sized-ac-why-bigger-isn39t-better.html

Every Massachusetts homeowner with an aging air conditioner hits the same crossroads eventually: the system needs another repair, and the question is whether to pay for it or finally replace the unit