Repair or Replace a Water Heater?

When Do I Know My Hot Water Heater Needs Replacing?

Your hot water heater is one of the most important appliances in your home—but it’s often forgotten until something goes wrong. Replacing it before it fails completely can save you from cold showers, water damage, and higher utility bills. So how do you know when it’s time to say goodbye to your current unit? Here are the top signs that your hot water heater might need replacing.

1. Age of the Unit

Most conventional tank water heaters last about 8–12 years. If yours is approaching or has passed this range, it’s time to start considering a replacement—even if it’s still working. Older units are more prone to leaks, inefficiency, and full failure.

Pro Tip: You can find your water heater’s manufacture date on the serial number sticker.

2. Rusty or Discolored Water

If you notice rusty or murky water coming from your hot taps,
it could be a sign of internal tank corrosion. This is especially
true if the water clears up when switched to cold. Rust inside
the tank usually means it’s only a matter of time before a leak
develops.

3. Strange Noises

Loud popping or rumbling sounds? That’s likely sediment buildup in the tank. Over time, sediment hardens and causes your heater to work harder—leading to damage and energy waste. If flushing the tank doesn’t solve the problem, replacement may be the best solution.

4. Inconsistent or No Hot Water

If your water isn’t getting as hot as it used to—or if it runs out quickly—your heater could be struggling to meet demand. This could be caused by aging components or sediment blocking heating elements. Either way, it’s a clear sign your system is wearing down.

5. Water Leaks Around the Tank

Moisture or pooling water around your water heater base is a major red flag. It might be from fittings or connections—but if it’s coming from the tank itself, it likely can’t be repaired. A leaking tank almost always means a replacement is necessary.

6. Increased Energy Bills

A failing water heater often runs inefficiently. If you’ve noticed a spike in your utility bills without using more hot water, your unit could be overworking to keep up. Newer models are far more energy-efficient, saving you money over time.

Bonus Tip: Plan Ahead

Don’t wait for a complete failure, especially heading into the colder months. Proactive replacement lets you choose the right model, schedule at your convenience, and avoid emergency service calls or water damage.

Need Help Deciding? Call Carolina Roots Plumbing

Whether your water heater needs a tune-up, flush, or full replacement, we’ve got your back. We install reliable, energy-efficient water heaters that keep your home comfortable and your water hot—no matter the season.

Call 919-601-9236 today for a consultation or estimate!

Emergency services available.

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