If you're looking for a reliable home appliance that can provide you hot water whenever you need it, a tankless water heater could be a perfect fit. As the name suggests, these heaters don’t store water like traditional heaters, instead, they heat the water only when you turn on the faucet, providing hot water almost instantly.
Before buying the best NG tankless water heater, some crucial factors need to be considered to ensure you get the most value for your money. Firstly, you need to identify your hot water usage and select a model that can handle that demand. Secondly, look for a heater that has high energy efficiency and can save you money in the long run. Lastly, consider the heater's size and installation requirements and identify if it can fit where you plan to put it.
One common question people may ask themselves is, "How much money can I save on my utility bills by using a tankless water heater?" or "What are the maintenance steps for my tankless water heater?". Other factors such as the type of fuel used, the size of the heater and the cost of installation are also important to consider before making a purchase. Now, with a little research and some expert advice, you can find the best NG tankless water heater that suits your needs and provides you the hot water you need for years to come.
10 Best Ng Tankless Water Heater
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The product is ideal for providing hot water without a storage tank, using natural gas as a fuel source.
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It is ideal for providing continuous hot water on demand and increasing energy efficiency.
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The product is ideal for providing hot water to indoor spaces using natural gas with a 6.6 GPM flow rate.
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Ideal for providing on-demand hot water in indoor spaces with natural gas fuel source.
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Ideal for outdoor natural gas-powered hot water needs, such as showers or handwashing in areas without traditional hot water systems.
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This product is ideal for providing hot water outdoors using natural gas as a fuel source.
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It is ideal for providing hot water with high capacity through natural gas connection.
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This product is ideal for providing hot water outdoors at a high rate of flow through natural gas heating.
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Ideal for indoor installation, providing on-demand hot water with natural gas and a 6.5 GPM flow rate.
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10
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It is ideal for providing hot water for indoor use and has a high flow rate of 7.5 gallons per minute.
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1. Bosch 830 Es Ng Therm Tankless Water Heater, Natural Gas
This top-of-the-line water heater boasts impressive specifications and features that make it a reliable and efficient choice for any household. With a maximum input of 175,000 BTU, this water heater can handle even the heaviest of hot water demands.
One of the key selling points of this product is its thermal efficiency, which exceeds 83%. This means that the vast majority of the energy used to heat the water is converted into actual heat, resulting in lower energy bills and a more eco-friendly choice.
The water heater also boasts an impressive 8.3 gallons per minute capacity at a 35F degree rise. This means that it can heat water quickly and efficiently, ensuring that there is always enough hot water for the entire household.
The electronic ignition and patented burner design further enhance the water heater's efficiency and reliability. The electronic ignition ensures that the water heater starts up quickly and easily, while the patented burner design helps to evenly distribute heat throughout the tank.
This water heater is also incredibly versatile, with the ability to vent either vertically or horizontally using 3" or 4" stainless steel. This allows for maximum flexibility during installation, and ensures that the water heater can be easily integrated into any home.
2. Bosch 940 Es Ng Tankless Water Heater, Natural Gas
The product being reviewed is a highly efficient and powerful non-condensing tankless water heater that can handle up to 199,000 BTUs. This makes it the highest capacity non-condensing model currently available on the market. It is designed to provide ample hot water supply for large households, commercial buildings and other high-demand applications.
With an impressive flow rate of 9.4 gallons per minute at a 35-degree Fahrenheit temperature rise, this water heater can meet the hot water needs of multiple fixtures and appliances simultaneously. It is equipped with an electronic ignition system and boasts a patented burner design that ensures reliable and efficient operation.
The water heater is designed for easy installation and can be vented either vertically or horizontally with 3" or 4" stainless steel. This gives the user greater flexibility in terms of placement and installation options. The unit is also built to last with a durable and corrosion-resistant construction that ensures long-term performance and reliability.
3. Noritz Nrc66dvng Indoor Condensing Direct Tankless Hot Water Heater, 6.6 Gpm – Natural Gas
Looking for a water heater that can provide you with an endless supply of hot water? Look no further than this high-efficiency model, which is designed to meet all your hot water needs.
One of the standout features of this water heater is its ability to provide endless hot water. This means that you won't have to worry about running out of hot water in the middle of a shower or while doing laundry.
Another great feature of this water heater is that it can be vented with Schedule 40 PVC pipe and fitting. This makes installation easy and convenient, as you can use the same materials you would use for other plumbing projects.
In addition to being easy to install, this water heater is also highly efficient. It is designed to use less energy than traditional water heaters, which can help you save money on your energy bills over time.
The low NOx emissions of this water heater make it an environmentally friendly choice as well. You can rest easy knowing that you're doing your part to reduce your carbon footprint.
This water heater also comes with a remote thermostat and a 6' power cord, making it easy to control the temperature of your water and install the unit in your desired location.
4. Efficient Indoor Gas Water Heater
Introducing a cutting-edge and energy-efficient hot water heater that's perfect for any household – the Endless Hot Water Heater. With its on-demand usage and endless supply of hot water, you'll never have to worry about running out during those busy mornings or long showers.
This hot water heater is designed to be compact and space-saving, making it an excellent choice for those with limited space. Additionally, it's computerized safety features ensure that you and your loved ones are always protected.
Say goodbye to the hassle of a pilot light with this hot water heater – it's been designed to eliminate the need for one altogether.
The Endless Hot Water Heater is also environmentally conscious, satisfying the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions. Not only will you be able to enjoy endless hot water, but you'll also be doing your part to reduce your carbon footprint.
Investing in the Endless Hot Water Heater is a smart choice for any household. With its advanced features, energy-efficient design, and compact size, it's sure to meet all of your hot water needs.
5. Bosch 125bo Ng Aquastar Outdoor Natural Gas Tankless Water Heater
The hot water heater being reviewed here is a powerful and efficient unit that can provide up to 4.3 gallons of hot water per minute, making it perfect for single applications. It is designed to cut water-heating costs by up to 50 percent, making it an excellent choice for those looking to save on their energy bills.
This hot water heater runs on natural gas and features a temperature control with a modulating gas valve. This allows for precise temperature control and maximum efficiency. The unit is protected from temperatures as low as 5 degrees Fahrenheit, ensuring that it can be used in a wide range of climates.
The hot water heater measures 36-3/4-by-18-1/4-by-10-1/2 inches and weighs 57 pounds. It also comes with a 12-year limited heat exchanger warranty and a 2-year limited parts warranty, giving buyers peace of mind in their investment.
6. Noritz Nrc66odng Outdoor Condensing Tankless Water Heater, 6.6 Gpm – Natural Gas
Looking for a reliable and efficient water heater that will provide endless hot water without taking up too much space in your home? Look no further than this top-of-the-line model.
One of the key features of this water heater is its ability to provide endless hot water, so you'll never have to worry about running out during a shower or bath. This is made possible thanks to the unit's high efficiency, which ensures that it heats water quickly and reliably.
Despite its impressive performance, this water heater boasts a compact and space-saving design. This means that it won't take up too much room in your home, making it a great choice for those with limited space.
Additionally, this water heater is designed with low Nox emissions, which makes it an environmentally friendly choice. It's also highly durable and built to last, so you can feel confident in your investment.
In terms of specifications, this water heater has a range of impressive features. It has a high flow rate and is capable of providing hot water to multiple fixtures at once. It also has a digital display that makes it easy to monitor and adjust the temperature as needed.
7. Eccotemp Fvi12-Ng Fvi-12 Natural Gas, 3.5 Gpm, High Capacity Tankless Water Heater, White
Introducing the Whole Home Indoor Gas Powered Tankless Water Heater – the perfect solution for small homes, cabins, and apartments. This energy-saving unit is rated at 3.6 gallons per minute (GPM) and only activates when in use, saving you money on your energy bills.
This tankless water heater is designed for indoor installation and comes with safe and efficient power ventilation. You can rest easy knowing that this unit has an electronic ignition system that is safe to use. It also plugs into a standard 120v electrical outlet with a UL-listed cord.
The compact and space-saving design of this water heater makes it easy to install in any room. Plus, the easy-to-read digital temperature display allows you to set the temperature to your desired level. The minimal noise output ensures that you won’t be disturbed by any loud sounds.
This tankless water heater uses standard 1/2" NPT water fittings and is equipped with easy-to-use manual water temperature controls. With a power rating of 1.07 A, you can enjoy a constant supply of hot water without worrying about running out.
Upgrade your home today with the Whole Home Indoor Gas Powered Tankless Water Heater. It’s the perfect solution for anyone looking to save money on their energy bills and enjoy a constant supply of hot water.
8. Noritz Nr50odng Outdoor Tankless Water Heater, Max. 120,000 Btuh, 5.0 Gpm – Natural Gas
The product being reviewed is a high-quality water heating system that provides an endless supply of hot water. It is perfect for outdoor use and boasts an impressive level of efficiency, making it an excellent choice for any homeowner looking to save money on their energy bills.
One of the standout features of this water heating system is its ability to provide endless hot water. This is achieved through innovative technology that ensures a constant flow of hot water, no matter how much is being used. This makes it an excellent choice for large families or households with high water usage.
Another benefit of this water heating system is its suitability for outdoor applications. It is designed to resist the elements and can be installed in a variety of outdoor settings, from a backyard pool to an outdoor shower. This makes it a versatile and practical choice for homeowners who want to enjoy hot water in their outdoor spaces.
In addition to its reliability and functionality, this water heating system is also highly efficient. It has been designed to minimize energy waste, which can help homeowners save money on their energy bills. This is achieved through advanced technology that maximizes heat transfer, ensuring that every drop of water is heated quickly and efficiently.
Finally, this water heating system is also low NOx, meaning that it produces very low levels of nitrogen oxides. This makes it an environmentally friendly option that you can feel good about using in your home.
9. Rinnai V65in Tankless Hot Water Heater, 6.5 Gpm, Natural Gas, Indoor Installation
Introducing the Rinnai Tankless Hot Water Heater – an energy-saving solution that only heats water when necessary. Its compact design is perfect for spaces of all sizes, fitting snugly into any corner like a small suitcase. With up to 6.5 gallons per minute, you'll never run out of hot water, even when using up to five fixtures simultaneously.
The Rinnai Tankless Hot Water Heater is equipped with enhanced scale detection technology that helps prevent serious and long-term damage to the unit. The manufacturer provides a 15-year residential guarantee for the heat exchanger, 5-year guarantee for labor, and a 1-year guarantee for parts, so you can rest assured that your investment is protected.
For even greater convenience and control, consider the Controlr module for WiFi control (sold separately). Please note that professional installation is recommended to ensure that your tankless water heater is installed correctly. You can easily find a qualified technician in your area by visiting the Find a Rinnai PRO page on the manufacturer's website.
To find the right tankless water heater for your home, check out the Rinnai product guides, manuals, energy guide, warranty information, videos, and tables. Additionally, use the Ground Water Temperature Map to determine if this heater is optimal for your region.
Upgrade to the Rinnai Tankless Hot Water Heater for an efficient, smart, and durable solution to your hot water needs.
10. Rinnai V75in Tankless Hot Water Heater, 7.5 Gpm, Natural Gas, Indoor Installation
Introducing the innovative RE180iN model, the latest in non-condensing technology from Rinnai. This tankless hot water heater is designed to conserve energy by only heating water when necessary. Its smart, compact design provides a cleaner layout for faster service and installation.
With the Rinnai tankless gas water heater, you'll never have to worry about running out of hot water again. Despite its small size, this unit can provide up to 7.5 gallons per minute, which means it can supply hot water to five fixtures at once.
The design of this water heater is not only smart, but also durable. It includes enhanced scale detection which can help prevent serious and long-term damage to the unit. Additionally, this product comes with a 15-year residential guarantee for the heat exchanger, a 5-year guarantee for labor, and a 1-year guarantee for parts.
Controlling the temperature of your hot water has never been easier with the Controlr module for WiFi control (not included). However, it is important to note that professional installation is recommended. Rinnai provides a Find a Rinnai PRO page on their website to help locate a qualified technician in your area to install the water heater. They strongly advise against installing the unit without the help of a technician.
To find the perfect Rinnai tankless water heater for your home, the company offers a range of product guides, manuals, energy guides, warranty information, videos, and tables. A Ground Water Temperature Map is also available to help you determine if this unit is optimal for your region.
Best Ng Tankless Water Heater FAQs
Can a natural gas tankless water heater provide hot water for an entire house?
Yes, a natural gas tankless water heater can provide hot water for an entire house. Tankless water heaters are designed to heat water on demand, meaning they only heat water when it is needed, rather than continuously heating and storing a large amount of water like traditional tank water heaters. This makes them energy-efficient and ideal for providing hot water to an entire house.
However, the size of the tankless water heater needed will depend on the hot water demands of the household. A larger household with more hot water demands may require a larger tankless water heater or multiple units to meet their needs. It is important to consult with a professional plumber or HVAC technician to determine the appropriate size and type of tankless water heater for your specific household needs.
Furthermore, it is important to note that installation of a natural gas tankless water heater should be done by a licensed professional to ensure safety and proper functioning. Regular maintenance and cleaning of the unit is also recommended to ensure its longevity and efficiency.
How do I select the right size natural gas tankless water heater for my home?
Selecting the right size natural gas tankless water heater for your home is an important decision that involves a number of factors. The first step is to determine your household's hot water needs. Consider the number of people in your household, their hot water usage habits, and the peak times of day when hot water demand is highest. Once you have a clear idea of your hot water needs, you can determine the appropriate flow rate and temperature rise required for your tankless water heater.
When selecting a tankless water heater, it's important to choose a model that is appropriately sized for your household's hot water demands. A model that is too small will struggle to keep up with demand, while a model that is too large will waste energy and money. It's a good idea to consult with a professional plumber or HVAC technician to determine the appropriate size and model for your home. They can provide you with expert advice on selecting the right size natural gas tankless water heater for your home, as well as installation and maintenance advice to ensure that your new water heater operates efficiently and effectively.
How long does a natural gas tankless water heater typically last?
On average, a natural gas tankless water heater can last for about 20 years or more with proper maintenance and usage. However, the lifespan of a tankless water heater may vary depending on several factors such as the quality of the unit, usage frequency, and maintenance practices. Regular maintenance can significantly extend the lifespan of a tankless water heater and ensure its optimal performance. It is crucial to have a professional plumber inspect and service the unit annually to prevent any potential issues and keep it in good working condition. Additionally, the quality of the water supply can also impact the lifespan of the unit, as hard water with high mineral content can cause scale buildup and affect its efficiency. Therefore, it is essential to have a water softening system installed to prevent damage to the unit and prolong its lifespan.
How much does a high-quality natural gas tankless water heater cost?
The cost of a high-quality natural gas tankless water heater can vary depending on several factors such as the brand, size, and features. Generally, a premium quality tankless water heater that runs on natural gas can cost anywhere between $1,000 to $2,500. However, some high-end models with advanced features like Wi-Fi connectivity, digital controls, and energy efficiency may cost up to $3,500 or more. Additionally, there may be additional installation costs involved, including venting and gas line modifications, which can add to the overall cost. It's important to keep in mind that while a higher initial investment may seem costly, a natural gas tankless water heater can save you money in the long run by reducing energy bills and providing hot water on demand without the need for a storage tank. It's always recommended to consult with a professional installer or dealer to determine the best option for your specific needs and budget.
What are the benefits of using a natural gas tankless water heater?
There are several benefits of using a natural gas tankless water heater. Firstly, they are more energy-efficient than traditional tank water heaters since they only heat water when it is needed, reducing energy consumption and lowering utility bills. Secondly, they take up less space than traditional water heaters since they do not require a large tank for storage. This makes them ideal for smaller homes or apartments where space is limited. Additionally, tankless water heaters have a longer lifespan than traditional water heaters, lasting up to 20 years or more with proper maintenance. They also provide a continuous supply of hot water, eliminating the need to wait for a tank to refill. Finally, using natural gas as a fuel source is generally less expensive than using electricity, making tankless water heaters a cost-effective option for many households.
What are the maintenance requirements for a natural gas tankless water heater?
A natural gas tankless water heater requires regular maintenance to ensure optimal performance and longevity. The most important maintenance task is to clean the air filter every six months. A dirty air filter can cause the unit to overheat and shut down, leading to reduced efficiency and even damage to the unit.
Additionally, it is recommended to flush the system annually to remove any mineral buildup that could affect the unit's ability to heat water efficiently. This can be done by attaching a flushing kit to the unit and running a vinegar solution through the system.
It is also essential to check the unit for any leaks or damage regularly. Any issues should be addressed immediately to prevent further damage to the unit and ensure it operates safely.
Finally, it is advisable to have a professional technician inspect the unit every two years to ensure all components are functioning correctly and identify any potential issues before they become major problems.
By following these maintenance requirements, a natural gas tankless water heater can provide efficient and reliable hot water for many years.
What are the top-rated natural gas tankless water heaters?
There are several top-rated natural gas tankless water heaters available on the market. One of the most highly recommended brands is Rinnai. Their tankless water heaters are known for their energy efficiency, durability, and high performance. Another popular brand is Navien, which offers a range of tankless water heaters that are compact, efficient, and easy to install. Bosch is another brand that is highly regarded for its tankless water heaters. Their products are designed to provide hot water on demand while reducing energy consumption. Takagi is also a brand worth considering. Their tankless water heaters are known for their reliability and excellent performance. Finally, Rheem is a well-known brand that offers a variety of tankless water heaters that are energy-efficient and designed to last. When choosing a natural gas tankless water heater, it is important to consider factors such as capacity, energy efficiency, and installation requirements to ensure that you choose the right model for your needs.
What is the best natural gas tankless water heater for a large family?
When it comes to choosing the best natural gas tankless water heater for a large family, there are several options to consider. One of the top choices is the Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater. It has a high flow rate of up to 9.8 gallons per minute, making it ideal for large households. The unit is energy-efficient and has a 0.96 Energy Factor, which translates to significant savings on energy bills.
Another option is the Noritz NRC1111-DVNG Natural Gas Tankless Water Heater. It has a flow rate of 11.1 gallons per minute, making it ideal for large families with high hot water demand. The unit is also energy-efficient and has a 0.93 Energy Factor, ensuring cost savings on energy bills.
Lastly, the Takagi T-H3-DV-N Natural Gas Tankless Water Heater is another excellent choice for large families. It has a flow rate of up to 10 gallons per minute, making it ideal for larger households. The unit is energy-efficient and has a 0.95 Energy Factor, ensuring savings on energy bills.
When choosing the best natural gas tankless water heater for a large family, it is essential to consider the flow rate, energy efficiency, and performance to ensure comfortable and efficient hot water supply for the family.
What is the most efficient natural gas tankless water heater?
There are numerous natural gas tankless water heaters available in the market, and picking the most efficient one can be challenging. However, based on expert reviews and customer feedback, the Rinnai RUC98iN is considered one of the most efficient natural gas tankless water heaters.
The Rinnai RUC98iN has an energy efficiency rating of 0.95, which means it operates at 95% efficiency. It is capable of providing a continuous flow of hot water to multiple fixtures simultaneously, making it an ideal choice for larger households.
Additionally, the Rinnai RUC98iN has a compact size, making it easy to install in tight spaces. It also comes with advanced features such as Wi-Fi connectivity, temperature lockout, and leak detection.
Overall, the Rinnai RUC98iN is a reliable and efficient natural gas tankless water heater that can meet the demands of most households. However, it is essential to consult a professional plumber or HVAC technician to ensure that the unit is compatible with your home's gas supply and water demand.
What safety features should I look for in a natural gas tankless water heater?
When it comes to natural gas tankless water heaters, there are a few safety features you should consider before making a purchase. Firstly, look for a model with an automatic shut-off feature that will turn off the gas supply if the unit overheats or detects a gas leak. This can help prevent dangerous gas buildup and potential explosions. Additionally, make sure the unit is equipped with a flame failure device that will automatically shut off the gas supply if the pilot light goes out. This can prevent gas from leaking into your home. Another important safety feature to consider is a temperature control system that allows you to set the maximum temperature of the water. This can help prevent scalding and burns, especially if you have young children or elderly individuals in your home. Finally, ensure that the unit is installed by a licensed professional to ensure that all safety protocols are followed and the unit is in compliance with local building codes.