Repair vs. Replace: When to Stop Fixing an Old AC
https://seoneo3.blob.core.windows.net/mass-hvac/uncategorized/why-old-new-england-homes-are-tricky-to-cool123508.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