Repair vs Replace AC: The Real Break-Even Math
The right answer depends on age, refrigerant, and how far the repair is from a full replacement. Here's the framework we walk every homeowner through before we quote either option.
Side-by-side comparison
| Attribute | Repair | Replace |
|---|---|---|
| System age under 10 yrs | Repair almost always | Rarely worth it |
| System age 10 – 14 yrs | Repair if < 40% of new cost | Replace if $2,500+ repair |
| System age 15+ yrs | Only cheap fixes | Replace — parts lifespan is limited |
| R-22 refrigerant | Refrigerant cost prohibitive | Replace — R-22 is banned |
| Repair over $2,000 | Diminishing returns | Replacement financing often cheaper monthly |
| Efficiency gain from replacing | None | 30 – 60% lower energy use |
Our verdict
Use the 40% rule: if the repair costs more than 40% of a new system's price AND the system is over 10 years old, replace. If either condition fails, repair.
Best for
Newer systems (under 10 yrs), single-part failures (capacitor, contactor, motor), or units with remaining parts warranty.
R-22 systems, systems over 15 yrs, repairs quoted over $2,500, or units that have needed 2+ repairs in the last 24 months.
Frequently asked questions
How do I know if my AC is R-22 or R-410A?
Check the yellow data plate on the outdoor condenser. It lists the refrigerant type. R-22 systems were phased out of production in 2010 and R-22 refrigerant hasn't been imported since 2020 — expect $150+/lb if any is still available.
Is it worth replacing a working AC for efficiency?
Only if it's 15+ years old and rated under 14 SEER. New 15.2+ SEER2 systems typically pay back in 6–9 years through lower electric bills in our climate.
Can I finance a replacement instead of repair?
Yes. Synchrony offers 0% for 24 months (Plan 925), 5.99% for 58 months (Plan 970), and 7.99% for 115 months (Plan 942). Many customers find the monthly payment lower than the recurring repair costs.
Not sure which is right for your home?
Free in-home assessment, no pressure. We install every option compared above.