Back to blogs

Is a Tankless Water Heater Better? Our Expert Analysis

Welcome to our expert analysis on tankless water heaters. If you're considering upgrading your water heater, you may be wondering if a tankless water heater is the right choice for you. In this article, we'll explore the benefits and advantages of tankless water heaters compared to traditional storage tank models. We'll discuss factors such as energy efficiency, longevity, and cost to help you make an informed decision. Let's dive in!

Key Takeaways:

  • Tankless water heaters are 22% more energy efficient on average compared to gas-fired storage tank models.
  • They heat water rapidly on demand, eliminating the need for storing hot water in a tank.
  • Traditional storage tank water heaters hold 30-50 gallons of water in an insulated tank.
  • The choice between tankless and traditional water heaters depends on factors such as cost, efficiency, and longevity.
  • Tankless water heaters have a longer lifespan and provide continuous hot water availability.

Understanding Tankless Water Heaters

Tankless water heaters, also known as on-demand water heaters, are a popular choice for homeowners looking to improve energy efficiency and save on utility bills. Unlike traditional water heaters that store hot water in a tank, tankless water heaters heat water rapidly as it flows through a heat exchanger and deliver it directly to faucets or showers.

One of the key advantages of tankless water heaters is their energy efficiency. According to Consumer Reports, tankless water heaters are 22% more energy efficient on average compared to gas-fired storage tank models. This means that homeowners can enjoy hot water on demand while reducing their energy consumption.

When it comes to choosing a tankless water heater, there are various factors to consider. The size of the unit, the fuel type (gas or electric), and the flow rate are all important considerations. It's also essential to consult with a professional plumber to ensure proper installation and compatibility with the home's plumbing system.

Benefits of Tankless Water Heaters:

  • Energy Efficiency: Tankless water heaters are more energy efficient compared to traditional storage tank models.
  • Hot Water on Demand: With a tankless water heater, you can enjoy hot water whenever you need it, without waiting for a tank to heat up.
  • Space-Saving Design: Tankless water heaters are compact and can be installed in tight quarters or outside walls, saving valuable space in your home.
  • Longer Lifespan: Tankless water heaters have a longer lifespan compared to traditional storage tank models, providing years of reliable hot water.
  • Reduced Energy Costs: The energy efficiency of tankless water heaters can result in long-term savings on your energy bills.

Overall, tankless water heaters offer a convenient and energy-efficient solution for providing hot water on demand. By understanding the benefits and considerations associated with these systems, homeowners can make an informed decision and enjoy the advantages of a tankless water heater.

Advantages Disadvantages - Energy efficient - Higher upfront cost compared to storage tank water heaters - Hot water on demand - May struggle to keep up with high hot water demand - Space-saving design - Longer lifespan - Reduced energy costs

https://www.youtube.com/watch?v=ZSDNnJmsl78

Differences Between Tankless and Traditional Water Heaters

When it comes to choosing a water heater for your home, it's important to understand the differences between tankless and traditional water heaters. These two types of water heaters operate in distinct ways and offer different benefits. Let's take a closer look at the key distinctions:

Heating and Storage:

One of the main differences between tankless and traditional water heaters is how they heat and store water. Tankless water heaters heat water on-demand as it flows through a heat exchanger. This means that hot water is available whenever you need it, without the need for a storage tank. In contrast, traditional water heaters store hot water in a large tank and continuously heat and maintain the temperature of the stored water.

Fuel Source:

Another difference between tankless and traditional water heaters is the fuel source they use. Tankless water heaters can be powered by natural gas or electricity, depending on the model. On the other hand, traditional water heaters can also use natural gas or electricity, with natural gas models often being more energy-efficient.

Efficiency:

When it comes to energy efficiency, tankless water heaters have the upper hand. They are more energy-efficient than traditional water heaters because they only heat water as it is needed, eliminating the standby energy losses associated with maintaining a tank of hot water. Tankless water heaters can provide energy savings of up to 50% compared to traditional water heaters, which is an important consideration for both cost savings and environmental impact.

Tankless Water Heater Traditional Water Heater Heating and Storage No storage tank; heats water on-demand Stores hot water in a tank Fuel Source Natural gas or electricity Natural gas or electricity Efficiency More energy-efficient; eliminates standby energy losses Less energy-efficient; standby energy losses

As you can see, tankless water heaters offer distinct advantages in terms of space-saving, energy efficiency, and on-demand hot water availability. However, it's essential to consider factors such as upfront cost, installation complexity, and hot water demand when making a decision. Consulting with a professional plumber can help you determine the best option for your specific needs and preferences.

tankless water heater

Now that you have a better understanding of the differences between tankless and traditional water heaters, you can make an informed decision based on your household's needs and priorities. Whether you prioritize energy efficiency, space-saving, or continuous hot water availability, both types of water heaters have their own benefits. It's always recommended to consult with a professional plumber before making a final decision on which type of water heater to install in your home.

Energy Efficiency of Tankless Water Heaters

When it comes to energy efficiency, tankless water heaters have a clear advantage over traditional storage tank models. According to our expert analysis, tankless water heaters provide significant energy savings, especially for homes with lower hot water usage. These efficient systems can offer 24-34% more energy efficiency compared to storage tank water heaters.

One of the key factors determining the energy efficiency of tankless water heaters is hot water usage. Our research indicates that tankless water heaters are most effective for homes that use 41 gallons or less of hot water per day. In these cases, tankless water heaters can provide up to 34% energy savings compared to storage tank water heaters.

Furthermore, if hot water usage increases to around 86 gallons per day, the energy efficiency of tankless water heaters can still improve by an additional 8-14%. While the energy savings may be slightly reduced, tankless water heaters continue to outperform storage tank models under these conditions.

Hot Water Usage per Day Energy Efficiency Improvement 41 gallons or less 24-34% Around 86 gallons Additional 8-14%

Based on our findings, it is clear that tankless water heaters provide significant energy efficiency benefits, especially for homes with lower hot water usage. By choosing a tankless water heater, homeowners can reduce their energy consumption, lower utility bills, and contribute to a more sustainable future.

https://www.youtube.com/watch?v=Ax5yrRgtKMs

Advantages of Energy Efficiency

  • Reduced energy consumption and lower utility bills
  • Environmental sustainability
  • Long-term cost savings

Longevity of Tankless Water Heaters

When considering the lifespan of a water heater, tankless water heaters have a significant advantage over storage tank water heaters. Tankless water heaters are known for their long useful life, often lasting 20 years or more, while storage tank water heaters typically have a lifespan of 10-15 years. This extended lifespan can be attributed to the design and operation of tankless water heaters.

Tankless water heaters do not store hot water, which eliminates the risk of tank corrosion and leaks that can shorten the lifespan of storage tank water heaters. In addition, tankless water heaters are often built with durable components that can withstand the high temperatures and demands of regular use. This contributes to their longevity and reliability, making them a cost-effective choice in the long run.

Water Heater Type Lifespan Tankless Water Heater 20+ years Storage Tank Water Heater 10-15 years

It's important to note that the lifespan of both tankless and storage tank water heaters can be influenced by various factors. Hard water, which contains high levels of minerals such as calcium and magnesium, can lead to mineral buildup and reduce the efficiency and lifespan of any type of water heater. Regular maintenance, including flushing the system and cleaning filters, can help mitigate the effects of hard water and extend the lifespan of a water heater.

In conclusion, if you're looking for a water heating solution with a long lifespan, a tankless water heater is a smart choice. Its durable design and absence of storage tanks make it less prone to corrosion and leaks, resulting in a lifespan that is often twice as long as that of a storage tank water heater.

Advantages of Tankless Water Heaters

Tankless water heaters offer several advantages over traditional storage tank water heaters. These advantages include:

  • Cost savings: Tankless water heaters can be more expensive upfront compared to storage tank water heaters. However, they can save you money in the long run due to their higher energy efficiency. According to Energy.gov, tankless water heaters can be 24-34% more energy efficient, resulting in savings on your energy bills.
  • Space-saving design: Tankless water heaters are compact and take up less space compared to storage tank water heaters. They can be installed in tight quarters or even mounted on exterior walls, saving valuable space in your home.
  • Continuous hot water availability: With a tankless water heater, you'll never run out of hot water. They heat the water on-demand as it flows through the heat exchanger, providing hot water whenever you need it. Say goodbye to waiting for the water to heat up!
tankless water heater

Overall, tankless water heaters offer cost savings, space-saving benefits, and continuous hot water availability. Consider these advantages when deciding on the best water heater for your home.

Comparison of Tankless Water Heaters and Storage Tank Water Heaters

To further understand the advantages of tankless water heaters, let's compare them to storage tank water heaters:

Tankless Water Heaters Storage Tank Water Heaters Energy Efficiency 24-34% more energy efficient Less energy efficient Cost Higher upfront cost, but potential long-term savings Lower initial cost, but potential higher utility bills Space Compact and space-saving design Require more space Hot Water Availability Continuous hot water supply Limited hot water capacity

As seen in the comparison table, tankless water heaters offer higher energy efficiency, although they may have a higher upfront cost. They save space and provide continuous hot water, making them a popular choice for many homeowners.

Drawbacks of Tankless Water Heaters

Tankless water heaters offer many benefits, but it's important to consider their drawbacks as well. One significant drawback is the higher purchase cost compared to traditional storage tank water heaters. The upfront investment for a tankless water heater can be more expensive, which may deter some homeowners from choosing this option.

Another limitation of tankless water heaters is their output capacity. While they provide hot water on demand, they may struggle to keep up with high hot water demand, especially when multiple showers or appliances are in use simultaneously. This can lead to reduced water flow and lower temperatures, which may be inconvenient for households with large families or high hot water usage.

https://www.youtube.com/watch?v=8FVT7UHph9w

Advantages of Storage Tank Water Heaters

When it comes to choosing a water heater for your home, storage tank water heaters have several advantages to consider. These traditional water heaters offer a lower initial cost, simplicity in operation, and ease of maintenance and repairs.

One of the main advantages of storage tank water heaters is their lower upfront cost compared to tankless models. If you're on a budget or looking for a more affordable option, a storage tank water heater may be the right choice for you.

Moreover, storage tank water heaters are known for their simplicity in operation. They have a straightforward design that heats and stores water in a tank, providing hot water whenever you need it. This simplicity makes them easy to understand and use, without any complex settings or controls to navigate.

Advantages of Storage Tank Water Heaters Lower initial cost Simplicity in operation Ease of maintenance and repairs

Additionally, storage tank water heaters are relatively easy to maintain and repair. Their simple design means there are fewer components that can malfunction or require regular maintenance. If any issues do arise, repairs can often be done quickly and at a lower cost compared to tankless models.

Overall, storage tank water heaters offer a cost-effective, straightforward, and easy-to-maintain option for homeowners looking to provide reliable hot water for their daily needs.

Drawbacks of Storage Tank Water Heaters

While storage tank water heaters are a popular choice for many households, they do come with a few drawbacks to consider. One of the primary concerns is higher utility bills. Unlike tankless water heaters that heat water on demand, storage tank water heaters continuously heat and reheat water in the tank, even when there is no demand. This constant energy consumption can lead to increased energy usage and higher utility costs over time.

Another drawback is the space requirements of storage tank water heaters. These units typically take up more physical space compared to tankless water heaters, making them less suitable for homes with limited space or compact living quarters. It's important to consider the available space and installation requirements before choosing a storage tank water heater.

To summarize, the drawbacks of storage tank water heaters include higher utility bills due to continuous heating and reheating of water, as well as the space requirements associated with their larger size. These factors should be weighed against the advantages and features of tankless water heaters to make an informed decision about the best water heating option for your home.

Drawbacks of Storage Tank Water Heaters Higher utility bills Space requirements

Factors to Consider When Choosing a Water Heater

When it comes to choosing the right water heater for your home, there are several important factors to consider. By evaluating these factors, you can make an informed decision that best meets your needs in terms of cost, energy efficiency, and hot water demand.

1. Cost

One of the primary considerations when selecting a water heater is the cost. Tankless water heaters typically have a higher upfront cost compared to storage tank water heaters. However, it's important to consider the long-term savings that tankless water heaters can provide through improved energy efficiency. While the initial investment may be higher, the potential energy savings over time can offset this cost.

2. Energy Efficiency

Energy efficiency is another crucial factor to evaluate. Tankless water heaters are known for their energy efficiency, as they only heat water when it is needed, eliminating the need for standby heating. This can result in significant energy savings, especially for households with low to moderate hot water demands. On the other hand, storage tank water heaters may experience standby heat loss, which can increase energy consumption and utility bills.

3. Hot Water Demand

The hot water demand in your household should also be taken into account. Tankless water heaters are known for their ability to provide a continuous supply of hot water, making them ideal for households with high hot water demands. If you have multiple showers, appliances, or faucets that require hot water simultaneously, a tankless water heater may be the better choice. However, if your hot water usage is relatively low and intermittent, a storage tank water heater may still be a viable option.

By considering factors such as cost, energy efficiency, and hot water demand, you can make an informed decision when choosing between a tankless water heater and a storage tank water heater. Remember to evaluate your specific needs and consult with a professional plumber for expert advice tailored to your situation.

Top Brands of Tankless Water Heaters

When it comes to choosing a tankless water heater, there are several top brands to consider. These brands have established a reputation for manufacturing high-quality and reliable tankless water heaters. Let's take a closer look at some of the top brands in the market:

Rinnai

Rinnai is a well-known brand that offers a wide range of tankless water heaters. They are known for their innovative technology, energy efficiency, and durability. Rinnai tankless water heaters come in both gas and electric models, providing options for different households' needs.

Rheem

Rheem is another reputable brand that offers a variety of tankless water heaters. They are known for their high-performance and energy-efficient units. Rheem tankless water heaters are designed to provide endless hot water while saving energy and reducing utility costs.

Noritz

Noritz is a trusted brand that specializes in producing tankless water heaters. They are known for their advanced technology, compact design, and excellent performance. Noritz tankless water heaters offer superior efficiency and reliability, making them a popular choice among homeowners.

Stiebel Eltron

Stiebel Eltron is a renowned brand that offers a range of tankless water heaters. They are known for their German engineering, quality craftsmanship, and energy efficiency. Stiebel Eltron tankless water heaters are designed to provide consistent hot water while minimizing energy consumption.

Bosch

Bosch is a well-established brand that offers a variety of tankless water heaters. They are known for their reliable performance, innovative features, and durability. Bosch tankless water heaters are designed to deliver hot water on demand while maximizing energy efficiency.

Takagi

Takagi is a respected brand that specializes in manufacturing tankless water heaters. They are known for their quality craftsmanship, advanced technology, and compact design. Takagi tankless water heaters provide efficient and reliable hot water supply, making them a popular choice among homeowners.

When selecting a tankless water heater, it is important to consider factors such as the size of your household, hot water demand, and desired energy efficiency. Consulting with a professional plumber can help you determine the right brand and model that best suits your needs.

Installation and Maintenance of Tankless Water Heaters

When it comes to tankless water heaters, proper installation and regular maintenance are key to ensuring optimal performance and longevity. It is highly recommended to hire a professional plumber with experience in tankless water heater installations to handle the installation process. A professional plumber will have the expertise to assess your home's plumbing system, determine the appropriate size and location for the water heater, and ensure that all necessary connections are properly installed.

Installing a tankless water heater can be more complex compared to a traditional storage tank water heater, as it involves additional considerations such as venting and gas line requirements. By hiring a professional, you can be confident that the installation will be done according to industry standards and local building codes.

Once the tankless water heater is installed, regular maintenance is essential to keep it running smoothly and maximize its lifespan. This includes flushing the system periodically to remove mineral buildup and cleaning or replacing filters as needed. A professional plumber can provide guidance on the recommended maintenance schedule and perform any necessary maintenance tasks to ensure the longevity of your tankless water heater.

Maintenance Tasks Frequency Flushing the system to remove mineral buildup Every 1-2 years Cleaning or replacing filters Every 6-12 months Professional inspection Every 2-3 years

By following the recommended installation and maintenance practices, you can ensure that your tankless water heater operates efficiently, provides reliable hot water, and has a long lifespan. Remember to consult with a professional plumber for any installation or maintenance needs to ensure the best results for your tankless water heater.

Tankless Water Heater vs Storage Tank Water Heater: Expert Advice

When it comes to choosing between a tankless water heater and a storage tank water heater, there are several factors to consider. Both options have their advantages and drawbacks, and the decision ultimately depends on your specific needs and preferences. In this section, we will provide expert advice to help you make an informed choice.

Energy Efficiency and Cost Savings

One of the key advantages of tankless water heaters is their energy efficiency. They heat water on-demand, eliminating the need to continuously heat and store hot water in a tank. This results in significant energy savings over time, translating into lower utility bills. On the other hand, storage tank water heaters tend to be less energy efficient since they constantly heat and reheat water, even when there is no demand.

Lifespan and Maintenance

Tankless water heaters generally have a longer lifespan compared to storage tank water heaters. With proper maintenance and regular flushing to remove mineral build-up, tankless water heaters can last for 20+ years. In contrast, storage tank water heaters typically have a lifespan of 10-15 years. It's important to note that both types of water heaters require maintenance, but tankless water heaters may require more frequent professional inspections.

Hot Water Demand and Output Limitations

Another factor to consider is your hot water demand. Tankless water heaters are designed to provide hot water on-demand, which is ideal for households with a lower hot water demand. However, they may struggle to keep up with simultaneous high hot water usage, such as multiple showers running at the same time. Storage tank water heaters, on the other hand, can supply a large volume of hot water at once, making them better suited for households with higher hot water demand.

In summary, the choice between a tankless water heater and a storage tank water heater depends on various factors. If energy efficiency, cost savings, and a longer lifespan are important to you, a tankless water heater may be the better option. However, if you have high hot water demand or prefer a more budget-friendly upfront cost, a storage tank water heater may be the more suitable choice. We recommend consulting with a professional plumber to assess your specific needs and determine the best water heater solution for your home.

Conclusion

In summary, when deciding between a tankless water heater and a storage tank water heater, there are important factors to consider. Tankless water heaters offer significant advantages such as energy efficiency, cost savings, and a longer lifespan. However, they come with a higher upfront cost and may have limitations in terms of hot water output during peak demand. On the other hand, storage tank water heaters have a lower initial cost and are easier to operate, but they can lead to higher utility bills due to continuous heating and require more space.

Ultimately, the choice depends on your specific needs and preferences. Consulting with a professional plumber can provide valuable expert advice and help you make an informed decision. They can assess your hot water demand, evaluate your home's plumbing system, and recommend the most suitable option for you. By considering factors such as cost, energy efficiency, and hot water requirements, you can select a water heater that meets your needs while aligning with your budget.

At the end of the day, our goal is to ensure that you have access to reliable hot water while maximizing energy efficiency and cost savings. We understand the importance of making the right choice for your home, and we're here to help you navigate the options. With expert advice and careful consideration, you can confidently select either a tankless water heater or a storage tank water heater that best suits your needs and provides long-term satisfaction. So, weigh your options, consult with a plumbing professional, and make a choice that will ensure your comfort and convenience for years to come.

FAQ

Is a tankless water heater more energy efficient?

Yes, tankless water heaters are 22% more energy efficient on average compared to gas-fired storage tank models.

How do tankless water heaters work?

Tankless water heaters heat water rapidly as it flows through a heat exchanger and deliver it directly to faucets or showers without storing it in a tank.

What is the main difference between tankless and traditional water heaters?

Tankless water heaters heat water on-demand as it flows through a heat exchanger, while traditional water heaters store hot water in an insulated tank.

How long do tankless water heaters last?

Tankless water heaters can last for 20+ years, while storage tank water heaters typically last only 10-15 years.

What are the advantages of tankless water heaters?

Tankless water heaters offer cost savings over time, a longer useful life, a space-saving design, and continuous hot water availability.

What are the drawbacks of tankless water heaters?

The upfront purchase cost of a tankless water heater is higher compared to a storage tank water heater, and they may struggle to keep up with high hot water demand.

What are the advantages of storage tank water heaters?

Storage tank water heaters have a lower initial cost, simplicity in operation, and ease of maintenance and repairs.

What are the drawbacks of storage tank water heaters?

Storage tank water heaters have higher utility bills and space requirements compared to tankless water heaters.

What factors should be considered when choosing a water heater?

Factors such as cost, energy efficiency, and hot water demand should be considered when choosing a water heater.

What are some top brands of tankless water heaters?

Some top brands of tankless water heaters include Rinnai, Rheem, Noritz, Stiebel Eltron, Bosch, and Takagi.

Lightning fast quotes.

Our water heater experts are standing by to help. Complete our form or call to schedule service.

Get a quoteA picture of a water heaters now technician.