What Are The Advantages And Disadvantages Of A Tankless Water Heater?


Is Tankless Water Heater the right choice for homeowners? Referred to as an on-demand unit a Tankless Water Heater eliminates the need for a storage tank. A Tankless water Heater is specifically designed to heat water as needed. Despite their popularity, conventional water heaters are wasteful. They occupy enough space

Advantages And Disadvantages Of A Tankless Water Heaters:

Moreover, they use more energy and increase power cost.Top Tankless water heaters, on the other hand, supply hot water only when needed. When you turn on the tap hot water travels into the tankless water heater through pipes. Then an electric heating element of the gas burner heats the water. The unit continuously supplies hot water to do the dishes, laundry and take showers.

Tankless water heaters offer many advantages. However, there are many drawbacks as well that can’t be ignored:

Advantages Of A Tankless Water Heaters:

  • Cost saving:

You are thinking about replacing your water heater then you must know the fact that a tankless

water heater initially costs more to purchase than a conventional water heater. However, it saves cost by reducing your energy bills. A tankless water heater supplies hot water only on demand, and it uses less energy. A traditional water heater stores water in the tank and uses more energy to keep it warm which increases the energy bills. But Tankless water heaters are energy efficient and thus save cost.

  • Space:

A conventional water heater holds up to 40 to 60 gallons of water. But the problem is its size and increased cost of energy bills. A tankless water heater is compact that means you can install it anywhere in the home. No matter you are living in a small apartment or house you can have the never-ending supply of hot water in a cold morning by installing a tankless water heater unit.

  • Lasts longer:

A water heater is the need of every home particularly in the countries where the temperature drops down. A traditional water heater lasts for ten to thirteen years. A tankless water heater is indeed an excellent investment as it lasts up to twenty years. The water heater is what you don’t buy more frequently so buy a unit that does not perform well but lasts long as well. Nothing can be better than buying a tankless water heater that is energy efficient and provides a supply of water without any problem.

  • The endless supply of hot water:

You never want to be in a situation when you are in the middle of the shower, and you run out of the water. A tankless water heater provides hot water on demand. You do not need to wait longer for the tank to be filled with hot water. Just turn the unit on and get ready to have a long shower with endless supply of hot water.

  • Environment-friendly:

A tankless water heater does not emit any greenhouse gases, so it is an environment-friendly unit.

Disadvantages Of A Tankless Water Heaters :

  • Initial expenses:

As already stated earlier the initial purchase cost of the tankless water heater is high. Though the unit saves your money in the long run, still you may need to spend much initially.

  • Installation expenses:

One of the biggest disadvantages of a tankless water heater is that you may need the services of a professional plumber to install and fix the unit. Due to having high-powered burners’ tankless water heaters require special venting.

  • Other options:

It is a fact that the tankless water heater is not the only option as solar water heating system is also a great option. There is little equipment needed, and the installation process is not that complicated.

  • Warranty stipulations:

To keep the warranty intact the user is required to take care of the maintenance of the water heater. Maintenance of Tankless Water Heater may include buying a water softener system and annual cleaning.


Tankless water heaters are luxury for many purchasers due to its high initial cost. But once you install it in your house, it saves your money spent on energy bills. You will never run out of hot water during showers as the unit will keep supplying hot water.  Tankless water heaters are energy efficient and take less space. But they are not a DIY home improvement project.Also Read About Best Rheem RTEX-18 240V Tankless Water Heater Review 2019.

One response to “What Are The Advantages And Disadvantages Of A Tankless Water Heater?

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