Pros and Cons of Tankless Water Heater


We all want to surround ourselves with things, which ensure our safety, comfort, flexibility, and so on. As a result, most houses are stuffed with a great variety of household appliances and water heaters are on the list. These unique and simple inventions of the human genius allow for heating water in a blink of an eye. Thus, you can quickly take a hot shower, wash dishes or clothes, heat your coffer, and you will not miss a precious minute. You only need to define which one will suit your household properly.

Before you start looking for a water heater and finding a Nortz contractor to install it, review the possible options. First of all, you should know that there are two major kinds of water heaters. They are either with or without a tank. Most people prefer a tankless kind. To be sure this option is more profitable, you should review the tankless water heater pros and cons. When you study any issue from two opposite angles, you see the picture big. Read on to define them all and make the right choice.

The Main Advantages

When you study the pros and cons of tankless water heater, you ought to be watchful and take into account all possible features or problems. We will start our review with the advantages of these great devices.

Saving Energy, and Thus Money

Firstly, tankless water heater pros cons show us the possibility to save on energy billing. Unlike their tank-style analogs, tankless units have no boiler. It means the device does not heat water all the time long. It heats water when you demand that. Accordingly, your monthly bill for electricity will be cheaper compared to the tank option.

More Space

When you ask “what are the advantages and disadvantages of a tankless water heater?” always give heed to the size of the tankless unit. The name of this unit already tells you a lot. It has no tank or boiler. Consequently, its size is diminutive, and it can be easily installed even under your sink! This option surely saves a lot of space in whatever room it is installed.

A Longer Lifespan

The next on our list of the pros and cons of a tankless water heater is its durability. The longevity of the tankless device is much longer, compared to the device with a tank. Commonly, its lifespan is 20 years! You should agree that this period is very long and impressive. In the meanwhile, the units with tanks live for 7-8 years on average. The choice is obvious.

A Minimal Risk of Explosion

Another crucial advantage of tankless appliances is their safety. Such appliances have no tank and some other elements that are explosive. You will hardly hear a story when a tankless option explodes.

A Low Possibility of Damage and Leakage

When we discuss the pros and cons tankless water heater, we should mention the resistance of a unit without a tank to being broken or somehow damaged. The possibility that it will be spoiled and will leak is very low. It will serve long and properly.

What Are the Disadvantages?

Now, our review focuses on the tankless water heater cons. There are a few of them. We don’t think they are crucial, but you have the right to know about them. Thus, your final decision will be clear and precise.

A Shorter Water Output

When we discuss gas and electric tankless water heater pros and cons, we need to mention water capacity. We all know that boilers can contain from 40 to 60 gallons of water. It means they can supply many people with hot water at the same time, and it won’t be spent instantly.

On the contrary, the devices without a tank heat water on demand. When too many persons want to get hot water, the entire household may quickly run out of it. This issue may be serious when you are in a hurry and need to take a shower or wash clothes. Yet, you won’t have to wait too long to get it heated again. It takes about a minute or so.

It Is More Expensive

When people ask “what are the advantages and disadvantages of a tankless water heater”, they always give heed to the price they will have to pay. Tankless devices cost $200-$300 more than tank-style analogs.

Takes Longer to Heat Water

Finally, the tank-style units heat water faster than their tankless analogs. However, the difference is about a minute. It shouldn’t be great trouble.


A tankless water heater has advantages and disadvantages. We have highlighted the most important ones. Before you buy the device, be sure to reconsider all of them. We believe that the pros easily outweigh the cons. Therefore, buying a tankless device is profitable for your household.

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