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Family-Owned & Operated Since 2001

615-726-8700

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These Are Major Warning Signs of a Dying AC

old-ac-unit

As Nashville summers grow hotter and longer, your air conditioner becomes more than a convenience. It’s a necessity. But no AC lasts forever, and there comes a point where repairs just aren’t worth it anymore. At Premier, we’ve helped countless Nashville homeowners make the smart call between fixing and replacing their AC. If your system is showing these signs, it might be time to start thinking about an AC replacement in Nashville, TN instead of another repair.

1. Your AC Is Over 10–15 Years Old

The average central air conditioner has a lifespan of 10 to 15 years. If yours is approaching or beyond that range, the risk of breakdowns—and the cost of repairs—goes up significantly. Even if it’s still running, older units are far less efficient than today’s models. In many cases, replacing an aging AC can lower your energy bills and give you more reliable cooling for years to come.

2. You’ve Had Frequent and Costly Repairs

A repair here and there is normal—but if you’re calling your HVAC technician multiple times a season, something’s wrong. Continual breakdowns usually point to systemic issues that can’t be patched up. If repair costs are stacking up or you’re replacing major parts like compressors or coils, it’s often more economical to invest in a new, high-efficiency unit.

3. It Struggles to Keep You Comfortable

If your AC runs constantly but your home still feels warm—or certain rooms never cool down properly—it could be a sign that your system is no longer up to the task. As ACs age, their cooling capacity drops, especially if the system hasn’t been properly maintained. A newer model with variable-speed technology can solve uneven cooling and keep your Nashville home consistently comfortable.

4. You Hear Strange or Excessive Noises

Loud banging, grinding, rattling, or hissing noises are never good signs. These sounds often signal mechanical failure, such as a damaged blower motor, loose parts, or a failing compressor. While some issues can be repaired, recurring or worsening noises usually indicate that your AC is nearing the end of its life.

5. You Notice Higher Energy Bills Without Explanation

A sudden spike in your energy bill—without any major change in your usage—often points to a struggling AC. As components wear down, your system has to work harder to cool your home, using more energy in the process. Newer systems with high SEER2 ratings are designed to deliver top-tier performance with less power, making replacement a smart long-term investment.

6. It Uses R-22 Refrigerant

If your AC still uses R-22 refrigerant (commonly known as Freon), that’s a major red flag. R-22 was phased out due to environmental concerns, and it’s now extremely expensive and difficult to find. If your system develops a refrigerant leak, you could be facing a repair bill that rivals the cost of a new system.

Don’t wait for a total breakdown. If your AC is showing any of these signs, contact Premier for an honest assessment and expert guidance. 

Experience the Premier Difference! Premier Heating & Air has been family-owned and operated since 2001.

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