Your water heater plays a crucial role in keeping your home comfortable, providing hot water for showers, laundry, and dishes. But like any appliance, it won’t last forever. At Priority Plumbing and Restoration, we’re often asked how long water heaters last.
The answer depends on the type, maintenance, and usage — but knowing the warning signs of failure can save you from cold showers and costly damage.
Average Lifespan of Water Heaters
Most traditional tank water heaters last 8 to 12 years, while tankless water heaters can operate efficiently for 15 to 20 years. Factors such as water quality, installation, and regular maintenance play a big part in determining longevity. I
- If your water heater is nearing or past the 10-year mark, it’s wise to start monitoring it more closely.
Tank vs. Tankless: What’s the Difference?
Understanding the difference between tank and tankless water heaters can help you make a smarter replacement decision:
- Tank Water Heaters store a set amount of hot water (usually 30–80 gallons) and keep it heated 24/7. They’re generally more affordable upfront but can waste energy by constantly reheating water.
- Tankless Water Heaters heat water on demand, offering endless hot water without the need for storage. They’re more energy-efficient and last longer, but installation costs are typically higher.
Tip: If you’re upgrading your system, tankless models may cost more initially but save money in the long run with lower utility bills and fewer repairs.
Signs It’s Time for a Replacement
Knowing when to replace your water heater can help you avoid unexpected breakdowns and water damage. Here are key signs to watch out for:
- Inconsistent or No Hot Water: If you’re noticing lukewarm or fluctuating water temperatures, your heating elements may be failing. A lack of hot water altogether often indicates a serious internal issue.
- Strange Noises: Popping, rumbling, or banging noises coming from your tank are typically caused by sediment buildup. While flushing the tank can help, recurring noises may be a sign your unit is nearing the end of its life.
- Rusty or Discolored Water: Rusty water coming from your hot taps could mean corrosion inside the tank or the water lines. If flushing doesn’t solve the issue, it may be time for a replacement before a major leak develops.
- Water Leaks or Pooling: Moisture or puddles around the base of your heater are red flags. Internal cracks can cause leaks, and even small ones can lead to water damage or mold growth if ignored.
- Age of the Unit: If your heater is 10 years old or more, it’s more likely to fail soon. Even if it seems to be working fine, replacing it proactively can prevent emergencies and improve energy efficiency.
Trust Priority Plumbing and Restoration
If your water heater is showing any of these signs, don’t wait for a full breakdown. At Priority Plumbing and Restoration, our licensed technicians provide fast, honest assessments and professional replacements tailored to your home’s needs. We’ll help you choose an energy-efficient model that saves money on your utility bills and keeps your family comfortable year-round.
Whether you’re dealing with an emergency leak or planning an upgrade, we’re here to help. Contact us today for a free estimate or to schedule a water heater inspection.
