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How Long Do Hot Water Tanks Last?

Are you feeling like it’s time to start thinking about retiring your hot water tank in your Edmonton home? Or are you simply wondering about how long it’s supposed to last? Hot water tanks quietly keep our homes running, providing reliable hot water for cooking, washing clothes, showering, and everything in between. 


Understanding how long your hot water tank typically lasts can help you better prepare for unexpected situations. Join us below as the Weiss-Johnson team explores how long hot water tanks in Edmonton typically last, along with the factors that affect their lifespan. Read on to find out more. 

How to Find The Age of the Water Heater

A water heater’s service life is closely tied to its age. As a result, knowing your tank’s age is the first step in determining how much life it may have left. 

If you’re unsure of the age of your hot water tank in Edmonton, there’s a simple way to check. Check the side of the tank for the manufacturer’s label, where you’ll likely find a manufacturer’s date. If that information isn’t available, you can also find the serial number and look it up online to see the date. 

The Average Lifespan

Once you know the age of your hot water tank, the next question becomes simple: how long can you generally expect it to last? 


On average, hot water tanks in Edmonton last between 8 to 12 years. Once your heater reaches 10 years old, we recommend monitoring it more closely for leaks, spills, and damage.


That said, it’s crucial to understand that this lifespan is only an estimated range, not a guarantee. There are key factors which will influence how long a water tank will actually last. Some water heaters will naturally last longer than others, due to system-specific aspects and environmental conditions. 

Key Factors that Affect Lifespan

While age is crucial, several other key factors can also significantly impact your water heater’s service life. 


Maintenance 

  • If you take care of your water tank, it will take care of you as well. Fortunately, this is relatively simple with the proper care. By keeping up tasks like annual tank flushing, replacing the anode rod when needed, and other small maintenance, you can set your tank up for a successful, longer service life.


Household Demand

  • A water heater that works overtime to meet demand may burn out faster. Larger households or simply those with higher usage can gradually accelerate wear and tear on components. As a result, it’s crucial to keep up with servicing and tune-ups so small issues can be caught before they become bigger.

Water Hardness

  • Some areas naturally have harder water due to an abundance of minerals like calcium and magnesium. Edmonton is one of these places, with a consistently moderate-to-high water hardness year-round. Over time, this sediment can settle in the tank, forming a hard layer that must be flushed out. That said, even with annual flushing, components may still wear out faster due to hard water.  

Key Signs To Look Out For

A watchful eye is key to proactive maintenance, and knowing what to look out for can save minor issues from turning into bigger headaches. Some of the most common indicators of a water heater nearing the end of its lifespan include rusty-coloured water, leaking tanks, and energy bills that keep creeping higher. 


If you notice any of these indicators, it may be a good time to bring in a professional to inspect your water heater. They can properly diagnose issues and provide trusted guidance on your next steps.

Is Your Tank Showing Its Age?

While every water heater naturally reaches the end of its lifespan, there’s no need to be caught without hot water. Trusted by Edmonton homeowners for nearly 50 years, Weiss-Johnson is here to help you manage your home’s plumbing and HVAC needs. We’re ready when you are. Reach out to us today to book an appointment with our expert service team. 

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