Traditional Water Heaters vs Tankless Water Heaters


ater heater is a necessity especially if you’re living in a cold place. Imagine the hardship that you always face every morning when you take a cold shower in a cold weather. You don’t like to struggle with this pain every single day. Good thing you don’t have to, if you have a water heater.

A water heater is a machine that works using an energy source to heat up your water. Using a water heater makes your shower experience more enjoyable and bearable.

However, there are several types of water heaters.

  • Traditional water heater or storage water heater
  • Heat pump water heater
  • Solar water heater
  • Tankless water heater
  • Condensing water heater

The most common among these heaters are the traditional and the tankless water heater. So how will you know which one is better and which one will satisfy you?

Know the difference between the traditional water heater and tankless water heater

The traditional water heater works by storing 30 to 50 gallons of water and heats it. You can use this preheated water in anything you want. You can use it for showering, doing the laundry, cleaning, and more. The hot water that you can get using a traditional water heater is limited. You have to refill the tank to have another batch of hot water to use.

Meanwhile, the tankless water heater uses gas or electricity to heat water. You can get it whenever you need it.

Think about the satisfaction you will get.

If you’re just alone in your home and nobody else in your home needs a hot shower, a traditional heater is already enough to do the water heating job for you.

A traditional heater preheats a limited volume of water inside the tank. You can use this limited amount of water for bathing. However, if you run out of hot water, you need to refill the tank and wait until it becomes hot.

If you’re living with your family or if you have someone to share your water heater with, you might think that it must be ideal to buy a traditional water heater with a huge tank. Yes, it is possible to buy a traditional heater with a bigger water tank. However, you also have to pay a bigger price for the product and for the energy that it will consume. For this reason, the tankless water heater may be the right one for you.

The tankless water heater is designed to heat the water every time you turn your faucet on. It provides almost an unlimited amount of hot water for as long as you need it.

Look at the cost and the value of what you’re paying for.

If you’re looking for a short-term investment or you don’t care about the future cost of the product, the traditional water heater may seem to be cheaper. Compared to tankless heaters, the traditional water heater is cheaper. The installation price is just half the price of the tankless water heater installation.

However, if you’re looking for a good investment, the most recommended one is the tankless water heater. The tankless water heater is pricier when you purchase it but it will save you a lot of money in the long run.

The tankless water heater is designed to save energy. It runs only when you turn the faucet on. It automatically turns off once you shut down the faucet. The traditional water heater often wastes a lot of energy as it is designed to continuously run even if you’re eating your lunch, sleeping, or working.


A Tankless Water Heater

Furthermore, the traditional water heater is not as durable as the tankless water heater. In the end, you will have to buy it often than the tankless water heater.

If you’re going to look at it, the traditional water heater does provide a quick fix for your budget, but you also have to pay a lot on your monthly electric bill. Meanwhile, the tankless water heater is more expensive but will save you a lot of money in the long run.

However, if you were using a traditional water heater and you want to replace it with a tankless water heater, you must take note that this process is complicated and will require you to pay a high price for the product and for the installation service.

Determine which will last longer


The traditional water heater is built based on old technology while the tankless water heater is more advanced in technology. For this reason, the traditional water heater can last up to 12 years, and it is commonly purchased with a 6-year warranty.

However, the tankless water heater has an almost 20-year lifespan and often comes with a 10-year warranty. The shorter lifespan of the traditional water heater is due to the minerals that are continuously building and heating up inside the tank.

Determine which is easier to maintain and to install

One of the advantages of the traditional water heater is that you can replace it at a low price. Additionally, the installation is easy, but it is bulkier than tankless water heater as the traditional water heater takes a lot of space in a room. You cannot place it outside because you don’t want to wear it out due to the weather.

The tankless water heater is also easy to install. However, if you were using a traditional water heater before and you want to change it into a tankless system, expect that the installation process to be complicated. For this reason, you will have to pay a hefty price for the product and the installation procedure.


Choosing which water heater is the best for you depends on your lifestyle and purchasing power. It seems to be wiser to buy a tankless water heater, but it doesn’t mean that the traditional water heater is a bad product. The traditional water heater is still ideal for people who are living alone, who are currently on a tight budget, and who rarely use hot water.

Samantha Nicole

Coffee junkie. Alcohol enthusiast. Bacon advocate. Unable to type with boxing gloves on. Writer. Analyst. Organizer.

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