Key takeaways
- Rule of 5,000: repair cost × unit age. Over 5,000 → lean toward replacing.
- Replace if the AC is 12+ years old, uses R-22 refrigerant, or needs a compressor.
- Repair if it's under 8 years old and the fix is minor (capacitor, fan motor).
- A new high-SEER2 system can cut Sacramento cooling bills 20-40%.
When your AC breaks down in the middle of a Sacramento summer, you're faced with the $5,000 question: pour money into a repair, or invest in a new system? Here's the framework our technicians use to give honest advice.
Quick answer
Multiply the repair cost by the age of the unit. If that number is over 5,000, replacing usually wins. Also replace if it's 12+ years old, runs on phased-out R-22 refrigerant, or needs a compressor. Otherwise, a targeted repair is the smart, affordable choice.
The rule of 5,000
It's the simplest gut-check in the trade. Take the cost of the repair quote and multiply it by the age of your system in years:
- A $400 repair on a 6-year-old unit = 2,400 → repair it.
- A $600 repair on a 10-year-old unit = 6,000 → consider replacing.
- A $1,200 compressor on a 9-year-old unit = 10,800 → replace.
It's not gospel, but it captures the core idea: don't sink big money into an old system that's likely to fail again soon.
Age and refrigerant matter
Two hard stops push the decision toward replacement regardless of the math:
- Age 12+: you're past the reliable lifespan, and parts get harder to find.
- R-22 refrigerant: this older refrigerant is phased out and extremely expensive. If your system uses it, a leak repair often costs more than it's worth.
Efficiency and your energy bills
Older units (SEER 8-10) are dramatically less efficient than today's SEER2 systems. In our long cooling season, the monthly savings from a modern high-efficiency unit can offset a meaningful chunk of the replacement cost over time, and make the house noticeably more comfortable.
Repair or replace? A quick guide
| Your situation | Recommendation |
|---|---|
| Under 8 years, minor repair | Repair |
| 8-12 years, moderate repair | Run the rule of 5,000 |
| 12+ years old | Replace |
| Uses R-22 refrigerant | Replace |
| Compressor failure | Usually replace |
| Rising bills + frequent repairs | Replace |
Want a straight answer?
We'll assess your system and give you honest repair-vs-replace advice, plus financing options on new installs.



