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Water heaters
October 8, 2025
Brian Rico

How Long Does a Water Heater Usually Last?

Hot water is one of those things you never think about until it’s gone. You use it every day for showers, laundry, dishes, and cleaning. But like any appliance, your water heater won’t last forever.

So how long does a water heater usually last? The simple answer is about 8 to 12 years. However, that depends on the type of water heater you have, how much it’s used, and how well you take care of it.

Let’s take a closer look at how long water heaters last, what affects their lifespan, and how you can make yours last longer.

Types of Water Heaters and How Long They Last

Not all water heaters are built the same. Some heat water using gas, while others use electricity or even tankless technology. Here’s what you can expect from each type:

1. Traditional Tank Water Heaters

  • Average lifespan: 8 to 12 years
  • Common in: Most homes in Northeast Ohio

Tank water heaters store a large amount of water (usually 40 to 80 gallons) and keep it hot until you need it. They’re reliable and affordable, but because they’re always heating water, they experience wear and tear over time.

The biggest reason tank water heaters fail is corrosion. Inside the tank is a metal rod called an anode rod, which helps prevent rust. Once that rod wears out, the tank can start to corrode from the inside.

2. Tankless Water Heaters

  • Average lifespan: 20 years or more

Tankless models heat water only when you need it, so they don’t store hot water in a tank. Because of that, they last longer and are more energy efficient.

While the upfront cost is higher, they can save money in the long run by using less energy and lasting nearly twice as long as a traditional unit.

3. Electric Water Heaters

  • Average lifespan: 10 to 15 years

Electric water heaters tend to last a little longer than gas units because they don’t use combustion, which produces heat and wear. However, they can be more expensive to operate depending on electricity rates.

4. Gas Water Heaters

  • Average lifespan: 8 to 12 years

Gas water heaters heat water faster, but their parts deal with higher temperatures and combustion gases, which can shorten their life. They’re a good choice for large families who use a lot of hot water.

What Affects the Lifespan of a Water Heater?

There are several things that can make your water heater last longer or wear out faster. Here are the main ones:

1. Maintenance

Regular maintenance is the number one factor that affects lifespan. Flushing your tank once a year removes sediment buildup that can damage the tank and lower efficiency.

Having your water heater inspected by B Rico Mechanical each year helps prevent problems before they start.

2. Water Quality

If your home has hard water, minerals like calcium and magnesium can build up inside the tank. This sediment layer makes the heater work harder and can cause early failure.

Installing a water softener or flushing your tank regularly helps protect it from buildup.

3. Usage

The more hot water your family uses, the harder your system works. A big family that takes lots of showers or does frequent laundry will put more strain on the heater.

If your water heater runs all the time, it may need to be replaced sooner than average.

4. Installation Quality

A poorly installed water heater might not work as efficiently or safely. If connections, venting, or pressure settings aren’t correct, it can shorten the unit’s life.

Having a professional from B Rico Mechanical install your water heater ensures everything is done safely and up to code.

5. Tank Material and Design

Higher-quality tanks made from corrosion-resistant materials will last longer. Some newer models also have better insulation and stronger anode rods to help prevent rust.

6. Water Pressure

If your water pressure is too high, it can strain the tank and plumbing. Over time, this extra stress can lead to leaks or cracks. A pressure regulator can help keep your system safe.

Signs Your Water Heater Might Be Near the End

Even if your water heater is still working, there are signs that it may be nearing the end of its life. Catching these early can help you avoid a sudden loss of hot water.

Here are some common warning signs:

  1. Water isn’t as hot as it used to be
    If your showers turn cold faster or your water temperature fluctuates, your heater might be struggling.
  2. Rusty or discolored water
    Rusty water can mean your tank is corroding from the inside.
  3. Strange noises
    Popping or rumbling sounds often mean there’s sediment buildup inside the tank.
  4. Leaks or puddles around the tank
    Even a small leak can turn into a big problem. It’s a sign the tank may be cracking or rusting through.
  5. Age
    If your water heater is more than 10 years old, it’s smart to start planning for a replacement.

If you notice any of these signs, call B Rico Mechanical for a professional inspection. We’ll check your system and let you know whether it can be repaired or if it’s time for a new one.

How to Make Your Water Heater Last Longer

You can take a few simple steps to help your water heater last as long as possible. These small habits can save you money and help you avoid sudden breakdowns.

1. Flush the Tank Once a Year

Sediment buildup is one of the biggest reasons water heaters fail. Draining a few gallons of water from the tank each year helps clear it out and keeps your system running efficiently.

2. Replace the Anode Rod

The anode rod protects your tank from rust. Having it checked or replaced every 3 to 5 years can add years to your heater’s life.

3. Check the Pressure Relief Valve

This safety valve releases pressure if it gets too high. Make sure it’s working properly to prevent damage or leaks.

4. Lower the Temperature

Setting your water heater to 120°F is usually hot enough for most homes and helps reduce wear on the system. It can also save on your energy bill.

5. Add a Water Softener (If Needed)

If you have hard water, a softener will reduce mineral buildup and help your heater and plumbing last longer.

6. Schedule Annual Maintenance

A yearly tune-up from B Rico Mechanical includes cleaning, testing, and inspecting all components. It’s a simple way to keep your system safe and efficient.

When Should You Replace Your Water Heater?

Even with great care, every water heater reaches a point where replacement makes more sense than repair. Here’s when it’s time to consider a new one:

  • Your unit is over 10 years old
  • Repairs are becoming frequent or expensive
  • The tank is leaking or corroding
  • You run out of hot water often
  • Energy bills are rising even though your usage hasn’t changed

Replacing an old water heater before it fails can save you from water damage, inconvenience, and high energy costs.

When it’s time, B Rico Mechanical can help you choose the best model for your home. We install both tank and tankless systems, depending on your needs and budget.

Benefits of a New Water Heater

Getting a new water heater isn’t just about avoiding cold showers. It can actually make your home more comfortable and efficient. Here are a few benefits of upgrading:

1. Better Efficiency

Newer models use less energy to heat water, which means lower utility bills every month.

2. More Reliable Hot Water

You’ll have steady, consistent hot water when you need it. No more waiting for the tank to reheat.

3. Smaller Footprint

Tankless water heaters take up less space and can be mounted on a wall.

4. Improved Safety

Modern units include safety features that prevent overheating and reduce pressure buildup.

5. Added Home Value

A new, efficient water heater can be a selling point if you plan to move in the future.

Water Heater Tips for Northeast Ohio Homeowners

In Northeast Ohio, our water heaters work hard all year long. Cold winters mean the incoming water is extra cold, so the heater has to run longer to reach the right temperature. Here are some local tips:

  • Insulate your water heater and pipes to keep heat in during winter.
  • Check your basement or utility area for leaks after freezing weather.
  • Flush your tank in the spring when temperatures warm up.
  • Keep the area around your water heater clear so air can circulate properly.

These simple steps can make a big difference in how well your system performs and how long it lasts.

The Bottom Line

So, how long does a water heater usually last?

For most homes, the answer is 8 to 12 years for a traditional tank model and up to 20 years for a tankless system.

The key to making your water heater last longer is regular maintenance. Flushing the tank, replacing the anode rod, and having yearly inspections from a trusted professional like B Rico Mechanical can keep your system working efficiently for years to come.

If your water heater is getting old or showing signs of wear, don’t wait until it fails. Planning ahead saves you time, money, and stress.

Call B Rico Mechanical Today

At B Rico Mechanical, we help homeowners across Northeast Ohio stay comfortable with reliable water heater service, repair, and installation. Whether you have a small tank or a large tankless system, we know how to keep it running safely and efficiently.

📞 Call B Rico Mechanical today to schedule your water heater inspection or replacement. Our friendly, local technicians will explain your options clearly, fix problems quickly, and make sure your home never runs out of hot water.

Your comfort starts here.

Brian Rico

Brian Rico is the owner of B Rico Mechanical, serving homes and businesses across Northeast Ohio. With years of hands-on HVAC experience, Brian is passionate about helping customers stay comfortable year-round through reliable heating, cooling, and air quality solutions. When he’s not on the job, he enjoys mentoring new technicians and keeping up with the latest in HVAC technology.