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How Long Do Tankless Water Heaters Last? Gas-burning tankless water heaters should operate for 20 years or more, two or three times longer than tank-type heaters. Tankless electric units have shorter life spans, on the order of 7 to 10 years.
How long should tankless hot water heater last?
Most tankless water heaters will last for up to 20 years or more, which is a long lifespan in comparison to tank water heaters, which last around 10–15 years. Tankless water heaters use new technology that helps them to stay functional and operational for much longer than some of the alternatives out there.
How often do tankless water heaters need to be replaced?
If your tank water heater is more than 10 years old, it may be time to consider replacing it. With proper maintenance, a tank water heater tank should last six to 12 years. A tankless water heater can last for more than 20 years.
How do you know when your tankless water heater is going out?
Your water heater has been making booming or banging sounds: Banging or booming sounds coming from your tankless water heater may beanother sign there is sediment in the system, in which case you will want to call a plumber to help you flush it out.
Do tankless water heaters fail?
A tankless system can also fail in the ways that a standard gas-powered water heater or furnace can fail. The gas jets can become dirty and fail to ignite fully—or ignite at all. If the electronic ignition system breaks, the water heater won’t come on and you’ll end up with no hot water at all.
Can a water heater last 20 years?
Tank water heaters will last an average of 8 to 12 years, while tankless water heaters can last even longer, up to 20 years. There are also electric and gas water heaters that will vary in lifespan, but in general gas ones last 8-12 years, while an electric heater could last upwards of 10-15 years.
Should I replace my 15 year old water heater?
Anyway, you should consider replacing your water heater if it’s about 6-12+ years old and when you start running out of hot water faster. However, age and lack of hot water aren’t everything. You could have a 15-year-old water heater that works just fine and wouldn’t need replacing.
Do tankless water heaters require annual maintenance?
Annual or semi-annual maintenance is important for a tankless water heater, but it won’t make the system last forever. Eventually you will need to replace the appliance with a new one, though a tankless system may last more than 20 years.
Is it worth switching to a tankless water heater?
The big advantage of tankless water heaters is that they use less energy since they only heat up water when you need it. You can save hundreds on your energy bill each year. Because they don’t waste power, you can also enjoy the fact that your home will be more sustainable and eco-friendly.
Is a tankless water heater worth the cost?
Energy Use and Efficiency Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.
How much does it cost to service a tankless water heater?
Common Tankless Water Heater Repair Issues Professional repairs are typically required, and those often run somewhere between $150 to over $800, though the average tends to hover around $600. Tankless water heaters require periodic flushing to keep mineral and sediment from building up inside the unit.
Why does it take so long to get hot water from my tankless water heater?
The length of the delay can be determined by a few factors, including the distance between the water heater and the outlet. In other words, the longer the water has to travel, the more cold water will need to be discharged before the hot water appears.
What causes a tankless water heater to stop working?
The Air Supply or Exhaust Is Blocked At times, your exhaust or air supply might get blocked, which can cause your tankless water heater to stop heating. Many water heaters will automatically shut off as a way to protect the appliance and help prevent other safety hazards that could result.
What maintenance is needed on a tankless water heater?
Tankless Water Heater Maintenance Flushing the System. The hot water heater should be flushed at least once a year. Cleaning the Air Filter. In your tankless water heater, there is an air filter that will need to be cleaned regularly. Cleaning the Water Filter. Cleaning the Tank.
Do tankless water heaters have a pilot light?
Gas tankless water heaters use a pilot assembly and burners to create heat, which is then transferred to water as it flows through the unit on its way to your tap. You can check for an electrical or gas issue by inspecting your circuit breaker and looking for a visible pilot light.
Why do water heaters only last 10 years?
A traditional tank-type water heater lasts an average of 8 to 12 years. Inside the tank, an anode rod protects the interior lining by attracting all corrosive particles to itself through a process called electrolysis. Once corrosion starts inside the tank, the water heater has entered into its final stage of life.
What is the longest a hot water heater can last?
Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years. That varies with the location and design of the unit, quality of installation, maintenance schedule and water quality.
Can water heaters last 30 years?
These heaters have an average lifespan of 20 years. However, some can last for up to 30 years when maintained properly.
