Tankless water heaters have become increasingly popular due to their energy efficiency and endless supply of hot water. These innovative systems offer numerous benefits, but it's important to also be aware of their limitations. In this article, we will explore the potential drawbacks and issues associated with tankless water heaters, providing valuable insights for homeowners considering this technology.
Key Takeaways:
- Installing a tankless water heater can be more complex and may require professional assistance.
- Higher upfront costs are associated with tankless water heaters compared to traditional water heaters.
- Flow rate limitations can occur in situations where multiple hot water outlets are used simultaneously.
- Potential cold-water delays can be experienced due to the time it takes for the system to heat and deliver hot water.
- Despite these limitations, tankless water heaters offer significant energy savings and an uninterrupted supply of hot water.
Easy-peasy installation
The installation process of tankless water heaters can be more complex compared to traditional water heaters. They often require additional electrical or gas connections and may involve professional assistance. This can add to the overall cost of installation and make the process more time-consuming.
When installing a tankless water heater, it is crucial to consider the specific requirements and recommendations provided by the manufacturer. This includes determining the appropriate location for the unit, ensuring proper ventilation, and connecting it to the existing plumbing system.
Professional installation is highly recommended to ensure the safe and efficient operation of the tankless water heater. Certified technicians have the expertise and knowledge to handle the complex installation process, avoiding any potential issues or errors that may arise. By entrusting the installation to professionals, homeowners can have peace of mind knowing that their tankless water heater is set up correctly and ready to provide endless hot water.
Table: Pros and Cons of Tankless Water Heater Installation
Pros Cons Energy-efficient operation Complex installation process Endless hot water supply Potential need for additional electrical or gas connections Space-saving design Possible requirement for professional assistance Long-term cost savings Higher upfront installation costs
No Roof Kit
When it comes to venting a tankless water heater, the Noritz EZ Series offers an innovative solution that eliminates the need for a roof kit. With the No Roof Kit option, homeowners can avoid the hassle of climbing on the roof for installation or having to drill holes in the wall. This feature provides convenience and ease of installation, making it a preferred choice for many.
The No Roof Kit option is especially beneficial for single-story homes and attic installations. By utilizing side venting, the tankless water heater can be installed directly on an exterior wall, eliminating the need for complex and time-consuming roof venting. This not only saves time during installation but also simplifies the overall process, reducing potential disruptions to the home.
Additionally, the side venting option offers flexibility in placement, allowing homeowners to choose the most suitable location for their tankless water heater. Whether it's a new installation or a replacement, the No Roof Kit option provides a convenient and efficient solution for venting a tankless water heater.
https://www.youtube.com/watch?v=CPYbsmmQJnQ
Comparison of Venting Options
Venting Option Pros Cons No Roof Kit - Eliminates the need for a roof kit - Suitable for single-story homes and attic installations Roof Kit - Allows for vertical venting - Requires climbing on the roof for installation Side Venting - Provides flexibility in placement - May require additional wall modifications
Seamless adaptation to warmer climates
When it comes to the performance of tankless water heaters in warm climates, the Noritz EZ Series takes the lead. With its industry-first Steady BTU (SBTU) Mode, this innovative technology allows the unit to handle minimal demands for heat during the hot summer months.
As temperatures rise, incoming water temperatures can approach 90ºF, resulting in reduced demand for heating. The SBTU Mode in the EZ Series reduces the effective minimum input by more than two-thirds in these warm conditions, enabling energy savings and efficient operation.
By optimizing the system's heat output based on the temperature of the water entering the unit, the Noritz EZ Series ensures that homeowners can enjoy a consistent supply of hot water without wasting unnecessary energy.
Enhancing efficiency in warm temperatures
The Steady BTU (SBTU) Mode in the Noritz EZ Series not only saves energy in warmer climates but also contributes to the overall efficiency of the tankless water heater. By reducing the minimum input, the unit achieves higher energy efficiency ratings, resulting in lower utility bills for homeowners.
With its ability to seamlessly adapt to warmer climates, the Noritz EZ Series is a smart choice for those living in regions with hot summers. Whether it's for residential or commercial use, this advanced technology ensures that the tankless water heater performs optimally, delivering both comfort and energy savings.
Advantages Disadvantages - Energy savings - Higher upfront costs - Endless supply of hot water - Installation complexity - Space-saving design - Potential flow rate limitations - Seamless adaptation to warm climates - Initial cold-water delays
The Noritz EZ Series truly stands out with its ability to adapt seamlessly to warmer climates and deliver exceptional performance and energy efficiency. With its Steady BTU (SBTU) Mode, this series ensures that homeowners can enjoy a continuous supply of hot water while saving energy and reducing utility bills. Despite some initial complexities, the long-term benefits, including space-saving design and endless hot water supply, make the Noritz EZ Series a worthwhile investment. Whether it's for residential or commercial use, this tankless water heater provides a reliable and efficient solution for warm climates.
Energy efficiency leader
The upgraded EZ Residential Tankless Series boasts a high Uniform Energy Factor (UEF) of 0.96, making it a top choice for homeowners looking for energy-efficient solutions. With this impressive UEF, the EZ Series offers substantial energy savings and lower monthly fuel bills, allowing you to enjoy the benefits of a tankless water heater without worrying about excessive energy consumption. This level of energy efficiency is achieved through the unique blending of two high-grade, stainless-steel heat exchangers, which work together to optimize heat transfer and improve overall performance.
By incorporating these high-grade heat exchangers into the design, the EZ Series ensures maximum heat transfer efficiency, reducing energy wastage and optimizing performance. This not only benefits the environment by conserving energy but also benefits homeowners by reducing their carbon footprint and decreasing their monthly utility bills. The advanced technology and materials used in the EZ Series make it a true energy efficiency leader in the industry.
Key Details:
- High Uniform Energy Factor (UEF) of 0.96
- Unique blending of two high-grade, stainless-steel heat exchangers
- Optimized heat transfer for improved performance
- Significant energy savings and lower monthly fuel bills
Product Energy Efficiency Savings EZ Residential Tankless Series High UEF of 0.96 Substantial energy savings Traditional Water Heaters Lower energy efficiency Higher monthly fuel bills
Investing in an energy-efficient tankless water heater like the EZ Series not only helps you reduce your environmental impact but also saves you money in the long run. With its high-grade heat exchangers and superior energy efficiency, the EZ Series offers a reliable and cost-effective solution to your hot water needs. By making the switch to a tankless water heater, you can enjoy the benefits of endless hot water while experiencing significant energy savings and lower monthly fuel bills.
Streamlined Common Venting
Tankless water heaters can offer significant energy savings and a continuous supply of hot water. However, their installation complexity and potential flow rate limitations have been a drawback for some homeowners. To address these concerns, the Noritz EZ Series introduces a streamlined common venting system that simplifies installation and reduces costs.
The EZ Series features a fully-integrated non-return valve (NRV) that eliminates the need for external installation. This built-in NRV prevents the backflow of exhaust between units, ensuring proper ventilation and enhanced safety. With the streamlined venting system, homeowners can experience a seamless installation process while reducing both time and cost.
By utilizing the common venting system, multiple tankless water heaters can be interconnected, increasing the overall capacity and efficiency of the system. This flexibility allows for customized setups that cater to the specific needs of different households, ensuring a reliable and efficient hot water supply.
Benefits of Streamlined Common Venting:
- Reduced installation time and cost
- Enhanced safety with built-in non-return valve
- Increased overall system capacity
- Customizable setups for different household needs
With the Noritz EZ Series' streamlined common venting system, homeowners can enjoy the benefits of tankless water heaters without the hassle of complex installations. The built-in non-return valve and improved efficiency make it a convenient and cost-effective solution for providing hot water to any household.
Extended Vent Lengths
In order to ensure efficient and safe operation, proper venting is crucial for tankless water heaters. The Noritz EZ Series now offers extended vent lengths, providing homeowners with more flexibility in installation. With the ability to support direct venting using materials such as PVC, CPVC, or rigid polypropylene, the EZ Series simplifies the venting process.
With a 2-inch pipe, the vent length can now be extended up to 65 feet, while a 3-inch pipe allows for a vent length of up to 150 feet. This expanded range of venting options allows for more versatility in locating the tankless water heater, enabling homeowners to choose the most convenient and suitable placement for their specific needs.
By utilizing high-quality venting materials, the Noritz EZ Series ensures proper airflow and exhaust dispersion, optimizing the performance and longevity of the tankless water heater. The extended vent lengths offered by the EZ Series not only simplify the installation process but also enhance the overall efficiency and functionality of the unit.
https://www.youtube.com/watch?v=gJXGP4PZvL0
Pipe Diameter Vent Length 2 inches Up to 65 feet 3 inches Up to 150 feet
Durability, Backed by an Industry-Leading Warranty
The durability of a tankless water heater is a crucial factor to consider when making a long-term investment for your home. With the Noritz EZ Series, you can rest assured knowing that durability is a top priority. The redesigned stainless-steel heat exchangers in the EZ Series are built to last, providing reliable performance for years to come.
To further instill confidence in the durability of the EZ Series, Noritz offers an industry-leading 25-year warranty on the heat exchangers. This warranty not only showcases the manufacturer's commitment to quality but also provides homeowners with peace of mind. With a warranty of this magnitude, you can trust that your tankless water heater is protected against any potential defects or issues.
Investing in a tankless water heater with a strong warranty not only protects your initial investment but also offers long-term cost savings. With the EZ Series, you can enjoy the benefits of energy efficiency and endless hot water while knowing that your unit is backed by a warranty that sets the industry standard.
Heat Exchanger Warranty Comparison
Brand Heat Exchanger Warranty Noritz EZ Series 25 years Brand A 10 years Brand B 12 years Brand C 15 years
As shown in the comparison table above, the Noritz EZ Series stands out with its impressive 25-year heat exchanger warranty, surpassing the warranties offered by other leading brands in the industry. This warranty is a true testament to the durability and reliability of the EZ Series, making it an excellent choice for homeowners seeking a long-lasting and dependable tankless water heater.
All-in-One Bundles
When it comes to replacing traditional tank-type water heaters with a tankless solution, convenience and simplicity are key. That's where the upgraded EZ Series models (EZTR50 and EZTR75) and their all-in-one EZTR Bundles come in. These bundles are designed to provide everything you need for a direct, indoor replacement of 50- and 75-gallon tank-type water heaters, making installation a hassle-free and convenient process.
With the EZTR Bundles, you can say goodbye to the complexities of piecing together separate components and dealing with multiple installation steps. Each bundle includes the tankless water heater unit, venting materials, water connections, and even a convenient remote controller. This means you won't have to worry about sourcing individual parts or making multiple trips to the store, saving you time and effort.
By opting for the all-in-one EZTR Bundles, you can ensure a seamless and efficient transition to a tankless water heater system. Enjoy the benefits of endless hot water, energy savings, and a compact and space-saving design without the headache of managing separate components. The EZ Series and its all-in-one bundles make the switch to tankless water heating a breeze.
Flexible Placement
When it comes to installing a tankless water heater, one of the key advantages is the flexibility of placement. Unlike traditional water heaters that require a dedicated storage space, tankless water heaters can be installed both indoors and outdoors, giving homeowners the freedom to choose the most convenient location for their unit.
For indoor installation, tankless water heaters can be mounted on walls or placed in utility closets, allowing them to fit seamlessly into the existing layout of the home. This not only saves valuable floor space but also provides easy access for maintenance and servicing.
Alternatively, tankless water heaters can be installed outdoors, freeing up even more space inside the house. Outdoor installation eliminates the need for venting and ensures that there is no risk of indoor combustion or ventilation issues. With proper protection from the elements, tankless water heaters can withstand various weather conditions, making them a versatile option for any home.
Benefits of Indoor Installation:
- Easily accessible for maintenance and servicing.
- Space-saving, as it can be mounted on walls or placed in utility closets.
- No need for additional protection from the elements.
Benefits of Outdoor Installation:
- Maximizes indoor space by eliminating the need for dedicated storage.
- No risk of indoor combustion or ventilation issues.
- Can withstand various weather conditions with proper protection.
Indoor Installation Outdoor Installation Placement Mounted on walls or placed in utility closets Installed outdoors Space Saving ✓ ✓ Ease of Access ✓ - No Venting Required - ✓ Weather Resistance - ✓
Plethora of Accessories
When it comes to tankless water heaters, the Noritz EZ Series goes above and beyond by offering a wide range of accessories to enhance the overall user experience. From remote controllers to wall-mounting brackets, these accessories are designed to provide convenience, adjustability, and space-saving benefits.
Remote Controller
One of the standout accessories is the remote controller. With this handy device, users can easily control and adjust their tankless water heater settings from a distance. Whether you're in another room or simply prefer the convenience of remote operation, the remote controller puts control at your fingertips.
Wall-Mounting Brackets
For those looking to save space, the wall-mounting brackets are a game-changer. These brackets allow you to securely mount your tankless water heater to the wall, freeing up valuable floor space. Say goodbye to bulky units taking up unnecessary room and hello to a sleek, streamlined installation.
In addition to the remote controller and wall-mounting brackets, the Noritz EZ Series offers a variety of other accessories to cater to different installation needs. From anchoring screws for added stability to ventilation kits for seamless installation, these accessories ensure a hassle-free and customized experience.
So, whether you're looking to optimize control, save space, or customize the installation of your tankless water heater, the Noritz EZ Series has you covered with its plethora of accessories. Choose the accessories that suit your needs and enjoy the convenience and efficiency of a well-equipped tankless water heating system.
Long-term Energy Savings
Tankless water heaters are a popular choice for homeowners seeking energy-efficient solutions for their hot water needs. With their advanced technology and on-demand heating process, tankless water heaters offer significant long-term cost savings. According to the U.S. Department of Energy, tankless water heaters can be 24% to 34% more energy-efficient than traditional storage tank water heaters, resulting in reduced utility bills.
The energy efficiency of tankless water heaters lies in their ability to heat water only when it is needed, eliminating the constant energy consumption associated with storage tank heaters. Unlike traditional models that continuously heat a large volume of water, tankless water heaters activate their heating elements as soon as hot water is requested, providing instant and continuous hot water without the need for a storage tank.
This energy-efficient design translates into significant savings over time. By reducing the amount of energy required to heat water, tankless water heaters can help homeowners lower their monthly fuel bills and reduce their carbon footprint. With long-term use, the cost savings can add up, making tankless water heaters a smart investment for those looking to maximize energy efficiency and save money in the long run.
Saves Money
One of the key advantages of switching to a tankless water heater is the potential for significant cost savings. Compared to traditional tank-style water heaters, tankless models can save a family of four an average of $100 per year or over $1500 throughout the lifetime of the system. The energy efficiency of tankless water heaters leads to lower energy bills and long-term savings.
By heating water on demand, tankless water heaters eliminate the need for standby heating, which reduces energy consumption. Additionally, tankless models are equipped with advanced technologies that optimize energy usage, such as high-grade heat exchangers and efficient burner systems. These features ensure that the energy used to heat the water is maximized, resulting in lower utility bills.
Furthermore, tankless water heaters have a longer lifespan compared to tank-style heaters, reducing the need for frequent replacements and additional costs. With proper maintenance and care, tankless models can last up to 20 years or more, providing further cost savings over time.
https://www.youtube.com/watch?v=8FVT7UHph9w
Cost Savings Comparison
Aspect Tankless Water Heaters Tank-Style Water Heaters Installation Cost Higher upfront cost Lower upfront cost Energy Consumption Significantly lower Higher Lifespan Longer (up to 20 years) Shorter (typically 10-15 years) Utility Bills Lower energy bills Higher energy bills Replacement Frequency Less frequent More frequent
As seen in the comparison table above, although tankless water heaters may have a higher upfront cost, they offer significant savings in other areas. Lower energy consumption, longer lifespan, and reduced replacement frequency contribute to lower utility bills and long-term cost savings. It is important to consider these factors when evaluating the overall value and return on investment of a tankless water heater.
Unlimited Supply of Hot Water
When it comes to hot water, tankless water heaters offer an unparalleled advantage: an endless supply of hot water. With traditional water heaters, there is a limited amount of hot water available in the tank, which can be depleted if multiple people need hot water simultaneously or if someone takes a long shower or bath. However, tankless water heaters heat the water as it flows through the unit, ensuring a continuous flow of hot water, no matter how long you need it. This means you'll never have to worry about running out of hot water again.
Whether you have a large family or enjoy long, luxurious showers, a tankless water heater can provide the hot water you need without any interruptions. This convenience and peace of mind can enhance your overall bathing experience and eliminate the frustration of having to wait for the tank to refill or dealing with cold showers.
With a tankless water heater, you can indulge in extended showers, fill up a large bathtub without hesitation, or run multiple hot water appliances simultaneously without any fear of running out of hot water. The on-demand heating process ensures that the water is heated as needed, providing you with a continuous and uninterrupted supply of hot water.
Advantages of an Unlimited Hot Water Supply
- Never have to worry about running out of hot water, even during peak usage times.
- Allows for simultaneous use of hot water in different parts of the house.
- No need to schedule showers or limit hot water usage to avoid running out.
- Provides convenience and peace of mind, ensuring a comfortable and enjoyable bathing experience.
- Eliminates the need for a large storage tank, freeing up valuable space in your home.
- Energy-efficient, as it only heats the water when it is needed, reducing energy waste.
- Reduces the risk of scalding accidents by delivering precise temperature control.
With a tankless water heater, you can enjoy the luxury of endless hot water and never have to worry about running out, making it a worthwhile investment for households of all sizes.
Conclusion
While tankless water heaters offer numerous advantages, it is important to consider their limitations and drawbacks. These include higher upfront costs, installation complexity, potential flow rate limitations, and initial cold-water delays. However, if your priorities are energy efficiency, space-saving, and an endless hot water supply, a tankless water heater can prove to be a beneficial long-term investment.
One of the main disadvantages of tankless water heaters is their higher upfront costs compared to traditional tank-style water heaters. The initial investment is typically more expensive, including the purchase of the unit and any necessary additional electrical or gas connections. However, it is important to consider the long-term savings in energy costs that a tankless water heater can provide.
Installation complexity is another drawback of tankless water heaters. Unlike traditional water heaters, tankless units often require professional assistance due to their specific installation requirements. This can add to the overall installation cost and make the process more time-consuming. However, with the right professional help, the benefits of a tankless water heater can outweigh the installation challenges.
Another limitation of tankless water heaters is the potential for flow rate limitations and initial cold-water delays. Depending on the model and demand, some tankless units may struggle to provide a high flow rate of hot water simultaneously. Additionally, there may be a brief delay before hot water reaches the faucet due to the on-demand heating process. However, these limitations can be mitigated by choosing the right size and capacity of tankless water heater for your household needs.
FAQ
What are the main drawbacks of tankless water heaters?
Tankless water heaters have some limitations, including higher upfront costs, installation complexity, potential flow rate limitations, and initial cold-water delays.
Are tankless water heaters difficult to install?
The installation process of tankless water heaters can be more complex compared to traditional water heaters. They often require additional electrical or gas connections and may involve professional assistance.
What is the Noritz EZ Series No Roof Kit?
The Noritz EZ Series offers the No Roof Kit option for venting, which eliminates the need to climb on the roof for installation or drill holes in the wall. It is suitable for single-story homes and attic installations, providing convenience and ease of installation.
How does the Noritz EZ Series handle minimal demands for heat in warm summer months?
The Noritz EZ Series features Steady BTU (SBTU) Mode, which reduces the effective minimum input by more than two-thirds when incoming water temperatures approach 90ºF. This technology improves energy savings and efficiency during the warm summer months.
How energy-efficient is the Noritz EZ Series?
The Noritz EZ Series boasts a high Uniform Energy Factor (UEF) of 0.96, leading to substantial energy savings and lower monthly fuel bills. The unique blending of two high-grade, stainless-steel heat exchangers enhances energy efficiency and performance.
What is the benefit of the fully-integrated non-return valve (NRV) in the EZ Series?
The fully-integrated non-return valve (NRV) eliminates the need for external installation and prevents the backflow of exhaust between units. This built-in feature reduces installation time and cost.
What are the venting options for the EZ Series?
The EZ Series now supports extended vent lengths and can be directly vented using PVC, CPVC, or rigid polypropylene materials. With a 2-inch pipe, the vent length has been extended to 65 feet, and with a 3-inch pipe, it has increased to 150 feet.
What warranty is provided for the stainless-steel heat exchangers in the EZ Series?
The redesigned stainless-steel heat exchangers in the EZ Series come with an industry-best 25-year warranty, ensuring the long-lasting durability of the unit.
Are there all-in-one bundles available for the upgraded EZ Series models?
Yes, the upgraded EZ Series models (EZTR50 and EZTR75) are available in all-in-one EZTR bundles. These bundles include everything needed for the direct, indoor replacement of 50- and 75-gallon tank-type water heaters, making installation hassle-free and convenient.
Can the EZ Series be installed both indoors and outdoors?
Yes, the EZ Series offers flexibility in placement and can be installed both indoors and outdoors, allowing homeowners to choose the most convenient location for their tankless water heater.
