The Lifespan Of Gas Water Heaters: When To Replace An Aging Unit

The Lifespan Of Gas Water Heaters: When To Replace An Aging Unit

Gas water heaters have been a trusted source of hot water in homes for decades, providing comfort and convenience for everyday tasks like showering, laundry, and dishes. But like every other appliance, the life of a hot water heater is also limited. Therefore, it becomes necessary to know when to upgrade them, as it can save you from unexpected cold showers and costly repairs.

In this article, we will learn about the life of a hot water heater and provide insights on when you should replace it.

How Long Do Gas Hot Water Systems Last?

It is important to know the life of a hot water heater when you own one. On average, these units can last anywhere from 8 years to 12 years. However, these years may fluctuate based on various factors, such as maintenance, water quality, usage patterns, and the manufacturer’s quality. Let’s take a closer look at these factors first to understand gas water heater lifespan better:

  • Maintenance:To extend the gas water heater lifespan, ensure that you carry out regular maintenance. Here, maintenance tasks include annual inspections, flushing the tank to remove sediment buildup, and checking for signs of corrosion.
  • Water quality:Did you know that the water quality in your area can significantly impact the gas water heater’s lifespan? This is because hard water, which contains high levels of minerals, can lead to sediment buildup and cause premature failure. Thus, to solve this problem, you can install a water softener.
  • Usage Patterns:How often you use the heater and the size of your household can also impact the gas water heater’s lifespan. For example, a larger family with greater hot water demands may put more strain on the unit, potentially shortening the life of the hot water heater.
  • Manufacturer’s quality: Investing in a high-quality gas water heater from a reputable provider can also be profitable in the long run. Quality units are often built to last longer and come with better warranties.

Also, when installing, repairing, and replacing a gas water heater, ensure that you opt for a reliable supplier. The Drain Surgeon Plumbing and Gas takes pride in providing comprehensive gas plumbing services to Perth residents. If you need help with installing or repairing your gas hot water system in Perth, call us today at 0437 000 257.

When To Replace An Aging Hot Water System?

Now that we know the average gas water heater lifespan and the factors that affect the life of a hot water heater, let’s discuss when is the best time to replace an aging system by considering a few signs.

  • Age:If your hot water heater is approaching the 10-year mark, it’s a good idea to start considering a replacement, even if it still functions well. This is because older systems are more prone to leaks and efficiency issues.
  • Frequent Repairs: If you find yourself constantly repairing your water heater, replacing it may be more cost-effective. Frequent repairs can signify that the unit is reaching its end of life. Also, replacing the water heater can be a more cost-effective option than repairing it.
  • Reduced efficiency:As gas water heaters age, they become less efficient at heating water, which can ultimately increase your energy bills as it may impact the life of the hot water heater. Therefore, if you notice a significant increase in utility costs, it may be time for an upgrade.
  • Rust or corrosion: Rust or corrosion on the tank or pipes clearly indicates that your gas water heater is on its last legs. These issues can lead to leaks and should not be ignored.


Gas water heaters are essential systems that provide comfort and convenience in our daily lives. Understanding the lifespan of a hot water heater and when to replace an aging unit is crucial for maintaining a reliable source of hot water, minimizing energy costs, and reducing the risk of costly repairs. When it’s time to replace your gas water heater, choose a reputable, experienced company as your trusted partner – like The Drain Surgeon Plumbing and Gas.

If you need assistance with installing or repairing your gas water heater, give us a call at 0437 000 257.

Close Menu