Few household problems create panic like an unexpected cold shower. Most water heaters don’t fail overnight—they show warning signs long before they quit. Recognizing them early can save you from an emergency plumber visit and hundreds of dollars in replacement costs. Here are five signs your water heater may be nearing the end of its life.

1) Water Takes Longer to Heat

If your hot water seems sluggish, mineral buildup is likely coating the heating elements or tank interior. This sediment forces the unit to work harder, wasting energy and accelerating wear. Flushing your water heater annually can extend its lifespan—but if performance doesn’t improve, it’s probably time to replace.

2) Popping or Rumbling Sounds

Those strange noises aren’t ghosts—they’re trapped air bubbles beneath layers of hardened sediment. When water boils under sediment, it pops and rumbles. The noise means your tank is overheating internally and could soon crack or leak.

3) Rusty Water or Metallic Taste

Brown or orange-tinged water signals corrosion inside your tank. If the discoloration only appears with hot water, your water heater—not your plumbing—is the culprit. Once rust starts, it spreads fast. Replacement is the only reliable fix.

4) Moisture or Leaks Around the Base

Even a small amount of water pooling near the base is a red flag. Tanks expand and contract slightly with heat cycles; cracks or loose fittings can leak under pressure. Don’t ignore it—minor seepage can quickly become a full rupture and flood your space.

5) Your Water Heater Is 8+ Years Old

Most standard tank water heaters last 8–12 years. After that, efficiency drops and failure risk spikes. If your unit is nearing a decade old, start shopping before it fails—especially if you see any of the signs above.

What to Do If You Notice These Signs

1. Turn off power or gas to the unit.
2. Check for visible leaks or rust.
3. Note the model number, fuel type, and tank size (e.g., 40 or 50 gal).
4. Compare affordable replacements at Unified Wholesale—bring a photo of your labels for faster help.