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Regardless of how well you care for it, your water heater will eventually need replacement; traditional tank water heaters are expected to function for an average of ten years, while tankless models can last up to 20 years before repairs are no longer sufficient to maintain efficient operation. Replacing your water heater provides you with a great opportunity to find the right solution for your home, giving you the hot water you need at the low cost you want. Before you replace your water heater, there are a few factors worth considering to help you select the right model.

Fuel Type

Water heaters require some type of fuel or energy input to create hot water for your home. There are several different fuel options, including natural gas, propane, electricity, and oil. One of the first factors to consider before purchasing a new water heater is the type of fuel your current water heater uses—often, it is easiest to purchase a water heater that uses the same type of fuel source for replacement. If you want to switch to a water heater that uses propane, gas, or oil, this may require adding the appropriate fuel line to your home if one is not already in place, which will impact the price of installation. It’s also important to consider the predicted costs of fuel in the future, which may help you determine which type of water heater you want to install for better long-term savings.


The size or capacity of your water heater affects the amount of hot water it can produce. Traditional tank water heaters are typically rated by the volume of water they can hold, while tankless models are rated by the speed with which they can produce hot water. While it’s likely that your current water heater is already sized appropriately for your home, you can opt for a new water heater with a different capacity if your needs have changed. If you have built onto your home or expect more long-term residents such as children, parents, or even renters in your home, you may want to consider increasing the capacity of your next water heater. Similarly, if you expect your hot water needs to decrease, purchasing a smaller water heater can help you save money over the long term. Your plumber can help you evaluate your current and predicted hot water needs if you aren’t sure how to calculate the best water heater capacity for your home. You should also note that tankless water heater output can be affected by the rate at which water flows through your pipes. It’s best to check with your plumber ahead of time to make sure your water flow is sufficient to activate and maintain the regular function of a tankless water heater so you can get the output you expect.

If you’re considering the purchase of a new water heater in Atlanta, our professional plumbers can help you evaluate your needs, your budget, and your goals to select the perfect water heating system for your home. We will also install and maintain your new water heater so you can get the very best performance and longevity from your investment. You can reach us on the web for the answers to your plumbing questions and to schedule service, or take a look at our monthly blog for more plumbing updates and tips.