Category : Water Heater

Should i switch to a tankless water heater !


Tankless water heaters have been gaining popularity in recent years due to their numerous benefits over all type water heaters.

In this article, we will explore the advantages and considerations of switching to a tankless water heater, helping you make an informed decision about whether it’s the right choice for your home.

What Makes a Tankless Water Heater Unique?

Tankless water heaters, also known as on-demand water heaters, operate differently from traditional water heaters.

Instead of storing hot water in a tank, tankless units heat water instantly as it flows through the device.

This means that hot water is available on demand, eliminating the need for a storage tank and the energy losses associated with it.

Energy-Efficient Operation and On-Demand Hot Water Supply:

One of the key benefits of tankless water heaters is their energy efficiency. Since they only heat water as it is needed, they avoid the standby energy losses that occur with traditional water heaters.

This energy-efficient operation can result in significant cost savings on your utility bills over time. Additionally, tankless water heaters provide hot water on demand, ensuring a continuous supply without the risk of running out.

Types of Tankless Water Heaters:

gas water heater and electric heater

When considering a switch to a tankless water heater, you’ll encounter two main types:

  • Electric
  • Gas-powered

1.Electric Tankless Water Heaters:

Electric tankless water heaters are generally easier to install than gas units. They don’t require additional venting or gas lines, which makes them more versatile in terms of installation locations. However, their flow rates may be limited compared to gas models.

2.Gas Tankless Water Heaters:

Gas tankless water heaters can often provide higher flow rates, making them suitable for households with a high demand for hot water or multiple fixtures operating simultaneously.

However, their installation may require additional considerations, such as venting and gas line requirements.

When choosing between electric and gas tankless water heaters, it’s important to consider installation requirements, the energy sources available in your home, and your specific needs.

Advantages of Tankless Water Heaters:

advantage of tankless water heater

Tankless water heaters offer several advantages that make them an attractive option for homeowners.

1.Energy Efficiency and Cost Savings:

Tankless water heaters are known for their energy efficiency, thanks to their on-demand heating mechanism.

Unlike traditional water heaters that constantly reheat water in a storage tank, tankless water heaters can lead to significant savings on your energy bills over time.

Furthermore, depending on where you live, you may be able to take advantage of tax incentives or rebates for installing an energy-efficient appliance like a tankless water heater.

2.Unlimited Hot Water Supply:

A tankless water heater ensures that you never run out of hot water. Because the unit heats water on demand, there’s no need to wait for the tank to refill and reheat.

Whether you need hot water for a long shower or multiple appliances running simultaneously, a tankless water heater will provide a continuous and consistent supply.

3.Space-Saving Design:

Tankless water heaters have a compact design that saves valuable space in your home. Unlike traditional water heaters, which have large storage tanks, tankless units can be mounted on walls or installed in unconventional locations.

This means that you have more flexibility in utilizing your home’s square footage. You can free up space in utility rooms or closets by doing so.

4.Longer Lifespan and Reduced Maintenance:

Compared to traditional water heaters, tankless units typically have a longer lifespan. With proper maintenance, a tankless water heater can last for 20 years or more.

Tankless water heaters reduce the risk of leaks and water damage by not storing water. They also require little maintenance, making them more convenient to use.

Considerations and Potential Challenges:

Before switching to a tankless water heater, it is important to consider a few factors and potential challenges that may arise.

1.Upfront Costs:

When you switch to a tankless water heater, you’ll need to make an initial investment that may be higher than with traditional water heaters.

This investment includes the cost of purchasing the unit and hiring professionals to handle the installation.

However, it’s important to keep in mind the potential long-term savings on energy bills that can help justify the upfront expense.

2.Installation Requirements:

Installing a tankless water heater can be more complicated than installing a traditional unit. Depending on your home’s existing infrastructure, you may need additional electrical or gas work.

It’s best to hire a professional to ensure a safe and proper installation, though this may result in additional costs.

3.Water Demand and Sizing:

When selecting a tankless water heater for your home, it’s important to consider your hot water requirements.

This includes factors such as the number of people in your household, simultaneous hot water usage, and desired temperature increase.

It’s a good idea to seek the advice of a professional to help you determine the right-sized unit for your specific needs.

4.Maintenance and Repairs:

Tankless water heaters are generally low maintenance, but it is important to flush them regularly to prevent mineral build-up and keep them running efficiently.

If repairs are necessary, they may require specialized expertise and could potentially be more expensive than traditional water heaters.

How to Switch from Tank to Tankless Water Heater:

If you’ve decided to switch to a tankless water heater, here are some steps to guide you through the process:

  1. Evaluate your hot water needs and determine the appropriate size and capacity of the tankless water heater.
  2. Consider the type of tankless water heater, either electric or gas, that suits your home’s energy sources.
  3. To ensure quality and reliability, look for trusted brands and models.
  4. Consult with professionals and get multiple quotes for purchasing and installing the tankless water heater.
  5. Arrange for the removal and disposal of your old water heater.
  6. Schedule the installation with a certified professional to ensure proper and safe setup.
  7. Read and understand the operating instructions and maintenance recommendations provided by the manufacturer.

What Size Tankless Water Heater Do I Need?

Selecting the right size tankless water heater requires consideration of your household’s hot water demand and usage patterns. Consulting with a professional plumber or a tankless water heater specialist can provide valuable insights and ensure an accurate assessment.

To choose the right size, you need to consider how many people live in your home, how many fixtures you use at the same time, and how warm you want your house to be.

To determine the capacity required to meet your hot water needs, you need to analyze your water flow rate, which is measured in gallons per minute (GPM).

If you typically run a shower at 2 GPM and a dishwasher at 1 GPM, you need a tankless water heater with at least a 3 GPM capacity to provide enough hot water.

Electric Tankless Water Heater Installation Requirements:

If you choose to install an electric tankless water heater, there are specific requirements that must be met.

These include having adequate electrical capacity, ensuring proper wiring, and complying with local electrical codes.

It’s important to consult with a professional electrician to ensure a safe and compliant installation.

Aren’t Tankless Water Heaters Really Expensive?

Although tankless water heaters may have a higher upfront cost than traditional water heaters, it’s essential to consider the long-term savings they offer. With their energy efficiency and reduced standby losses, tankless water heaters can result in lower utility bills over time. Additionally, potential tax incentives or rebates in your area can offset the initial investment.

So Why Shouldn’t I Switch to a Tankless Water Heater?

While there are significant advantages to tankless water heaters, they may not be suitable for everyone. Here are a few reasons why you might reconsider switching:

1.Cost To Switch To Tankless Water Heater:

Switching to a tankless water heater requires an upfront investment, including the cost of the unit and professional installation. If the initial expense is a significant concern, it’s important to carefully evaluate your budget and long-term financial goals.

2.Water Demand and Sizing:

If your household has exceptionally high hot water demand or frequently uses multiple fixtures simultaneously, a tankless water heater may struggle to keep up. In such cases, it’s important to ensure that the selected unit has the capacity to meet your specific needs.

3.Colder Seasons and Climate:

In colder climates, the incoming water temperature is lower, requiring the tankless water heater to work harder to raise the water temperature to the desired level. This increased workload may reduce the unit’s overall efficiency and performance.


Switching to a tankless water heater has several benefits, such as energy efficiency, an unlimited hot water supply, space-saving design, and a longer lifespan.

However, it is important to take into account the upfront costs, installation requirements, water demand, and potential maintenance and repair challenges.

To make the right decision, it is recommended to evaluate your specific needs, seek professional advice, and gather multiple quotes.

By considering all the factors discussed in this article, you will be well-prepared to determine if switching to a tankless water heater is the best option for you.

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