Comparison · 8 min read
When to Replace vs Repair Your AC (Simple Decision Guide)
Updated August 6, 2026
Repair your AC if it is under about 10 years old and the fix costs well under half of a new system. Replace it if the unit is 12–15+ years old, needs a major component like a compressor or coil, uses outdated refrigerant, or you face repeated breakdowns in one season. The 50% rule is a useful starting point — not the only factor.