When an AC system starts acting up, the question isn't just "what's wrong" — it's "is this worth fixing." Here's a framework for thinking it through.
1. Age of the system
Most residential AC systems last 12–15 years with regular maintenance. A system past that range facing a costly repair is a strong candidate for replacement.
2. Repair cost relative to replacement cost
A common rule of thumb: if a single repair costs more than roughly a third of a new system's cost, and the unit is more than halfway through its expected lifespan, replacement often makes more financial sense over time.
3. Repair frequency
One repair is normal wear and tear. A second or third significant repair within a couple of years is a pattern worth paying attention to.
4. Refrigerant type
Older systems using phased-out refrigerants can face higher repair costs simply because the refrigerant itself is harder to source.
5. Rising energy bills without a clear cause
If your bills have crept up despite normal usage and regular maintenance, your system may be losing efficiency in a way that a repair won't fully solve.
The bottom line
There's no universal answer — it depends on your specific system, its history, and your home. That's why we diagnose before recommending anything, and walk you through the real numbers rather than defaulting to "replace it."