Best Commercial Tankless Water Heater (2024 Update)
If you’re looking for a hot water system that can provide consistent and reliable hot water to your commercial establishment, a tankless water heater might be the solution you're looking for. Unlike traditional tank water heaters, tankless water heaters heat the water as it flows through the unit, resulting in a continuous supply of hot water.
Before investing in a commercial tankless water heater, there are a few factors to consider. First, determine the required flow rate and temperature rise for your establishment. This will ensure that you choose a unit that can keep up with your hot water demand. Next, consider the energy efficiency and cost savings of the unit. Look for a unit with a high energy factor and Energy Star certification. Lastly, make sure the unit can be properly installed and maintained by a professional.
If you’re still not sure whether a commercial tankless water heater is the right choice for your business, ask yourself these questions. Do you frequently run out of hot water during times of high demand? Are you tired of dealing with bulky and inefficient storage tank water heaters? Would you like to reduce your energy costs while still ensuring a steady supply of hot water? If the answer is yes to any of these questions, it might be time to consider upgrading to a commercial tankless water heater.
10 Best Commercial Tankless Water Heater
| # | Product Image | Product Name | Product Notes | Check Price |
|---|---|---|---|---|
|
1
|
 |
Ideal for commercial use, provides hot water on demand without the need for a bulky tank.
|
|
|
|
2
|
 |
The product is ideal for providing instant hot water in commercial settings with high demand for hot water.
|
|
|
|
3
|
 |
Ideal for providing instant hot water in homes with high demand for hot water, efficient and cost-effective.
|
|
|
|
4
|
 |
The product is ideal for providing instant hot water to a sink or other small area in a cost-effective and energy-efficient manner.
|
|
|
|
5
|
 |
This product is ideal for providing hot water without a tank, suitable for small homes and apartments.
|
|
|
|
6
|
 |
Ideal for providing hot water with super high efficiency and a high flow rate, perfect for indoor installation in natural gas systems.
|
|
|
|
7
|
 |
It is ideal for providing a continuous supply of hot water for indoor use, powered by natural gas.
|
|
|
|
8
|
 |
It is ideal for shutting off the water supply and relieving pressure for tankless water heaters, made of clean brass construction.
|
|
|
|
9
|
 |
Ideal for consistent hot water without the wait, easy installation, and energy efficiency in residential or commercial settings.
|
|
|
|
10
|
 |
This product is ideal for commercial and industrial applications that require a large amount of hot water.
|
|
1. Eemax Pr018240 Commercial 18 Kw 240v Electric Tankless Water Heater
Looking for a reliable and energy-efficient hot water solution for your home? Look no further than this top-of-the-line hot water system!
With its instant and consistent hot water delivery, you'll never have to worry about running out of hot water again. Plus, its protected internal temperature control ensures that your water stays at the perfect temperature, with adjustments made in precise, 1-degree increments.
Not only is this system incredibly reliable, it's also incredibly energy-efficient. In fact, it boasts a remarkable 99.8% energy efficiency rating, making it one of the most eco-friendly hot water solutions on the market.
Installation is a breeze with this hot water system, thanks to its simple and straightforward design. And with a temperature range of 80-140 degrees Fahrenheit, you can easily customize your hot water output to suit your specific needs.
Whether you're looking to upgrade your old hot water system or outfitting a brand new home, this hot water system is the perfect choice for anyone in need of a reliable, efficient, and easy-to-install hot water solution. So why wait? Invest in this top-of-the-line system today and enjoy endless hot water on demand!
2. Eemab|#eemax Pr011240 Commercial 11 Kw 240v Electric Tankless Water Heater
Looking for a reliable and efficient hot water solution? Look no further than this product! With instant, consistent, and endless hot water, you'll never have to worry about running out during a shower or bath again. Plus, its protected internal temperature control ensures that your water will always be just the right temperature for your needs.
This product boasts an impressive 99.8% energy efficiency, meaning it won't waste any energy or drive up your utility bills. And with a temperature range of 80-140 degrees Fahrenheit, you can customize your water temperature to your exact preference.
But perhaps the best part? This hot water system is incredibly easy to install, so you can start enjoying hot water in no time. Say goodbye to the hassle of traditional hot water tanks and switch to this reliable, efficient, and user-friendly option today!
3. Rheem Rtex-24 24kw 240v Electric Tankless Water Heater, Gray
This water heater provides hot water on demand, making it a reliable and efficient option for any household. The ON/OFF Dial Control ensures easy operation, while the adjustable digital temperature display allows for precise temperature settings. The self-modulating power control further optimizes energy usage, providing consistent and reliable performance.
The 24kW Model Flow Rate of up to 5.9 GPM for RTEX-24 ensures a steady flow of hot water for all your household needs. The bottom 3/4" NPT water connections enable easy installation and compatibility with standard plumbing systems.
With this water heater, you can enjoy on-demand, consistent, and continuous hot water, eliminating the need for a storage tank. It is a great option for those looking to save space and money without sacrificing performance.
4. Ecoinstant Electric Water Heater – 240v, 5.5kw
The on-demand electric water heater is a perfect solution for anyone looking for instant and consistent hot water. With a 5.5KW heating system, it supplies endless hot water of 116℉ or higher temperature shortly, without any waiting for preheat or temperature fluctuations. This feature makes it an ideal companion for sinks and helps to get rid of those lukewarm toys that fail to deliver the desired temperature.
The electric hot water heater ECO55 is equipped with a smart self-adjustment system that adjusts power input based on flow rate and temperature setting in real-time. This means that the unit applies less power when the water flow is reduced, ensuring that you still get your ideal temperature without the risk of scalding hot water. This feature also optimizes energy efficiency, with an impressive 98% saving on your electric charge.
The tankless water heater electric comes with a digital display and touch control panel, making it easy to set the temperature. You don't need to go through the hard lesson of understanding the working status of the 240v water heater tankless. All you need to do is turn on the tap and let the smart unit do the rest, so you can enjoy instant hot water.
Safety and durability are essential features of this electric hot water heater. Every unit has newly updated multiple protection devices and goes through strict tests to ensure 100% safety. The inner water and electricity lines are specially designed to run separately, avoiding any potential leakage or harm of scale build-up. It is also approved by ETL and qualifies for UL, assuring you of its outstanding performance for years to come.
The sleek tankless water heater is compact, measuring 11" x 7.5" x 2.35" and can be installed anywhere close to an outlet, avoiding any energy waste. It can be mounted horizontally, vertically, or obliquely, making it ideal for use in the kitchen, bar, school, hospital, community, and hair salon. However, please verify that it is the right size for your needs, with parameters of 5.5kW@240V and pipe fittings of 1/2" NPT.
5. Ecosmart Eco 27 Tankless Water Heater, Electric, 27-Kw – Quantity 1, 17 X 17 X 3.5
The EcoSmart ECO 27 is a tankless electric water heater that provides endless hot water on demand. With continuously monitored water temperature and controlled flow rates, it ensures efficiency and consistent performance within 1 degree of the selected temperature, so you’ll never run out of hot water when you need it.
This water heater is 90% smaller than traditional tank heaters, which means you can save space by installing it on the wall or at the point of use. The dimensions of the EcoSmart ECO 27 are 17 x 17 x 3.75 inches, making it an ideal solution for homeowners who need to save space.
The EcoSmart ECO 27 is also highly energy-efficient, with a thermal efficiency rating of 99%. Unlike traditional tank heaters that maintain water temperature even when not in use, this water heater only heats water when it’s called for. According to the Department of Energy, you can save up to 50% in water heating costs by switching to the EcoSmart ECO 27.
If you’re looking for a whole-home solution, the EcoSmart ECO 27 is ideal. It provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature, making it a great choice for homes with multiple bathrooms or large families. To ensure you select the proper solution, refer to the sizing guide.
The EcoSmart ECO 27 is UL-499 certified and ETL listed, and it comes with a limited lifetime warranty on electronics, exchanger, and element. It requires three 40 AMP double pole breakers and a 200 Amp recommended electrical panel. With this water heater, you can save up to 12 cubic feet of storage space and have complete control of hot water with digital temperature control in 1-degree increments.
6. Smart-Circ Gas Tankless Water Heater – High Efficiency
Introducing the latest innovation in tankless hot water heaters – the Smart-Circ Intelligent Recirculation. This cutting-edge technology is designed to learn your water usage patterns and adjust its pump and recirculation schedules accordingly, providing superior energy efficiency and convenience. With the Smart-Circ technology, you can enjoy hot water on demand without the worry of running out.
This compact tankless gas water heater from Rinnai is perfect for indoor use and provides up to 11 gallons per minute, enough to power up to 7 fixtures at once. Despite its impressive performance, it's only the size of a small suitcase, making it easy to install and unobtrusive in any space.
The Smart-Circ Intelligent Recirculation is designed to be smart and durable, with multiple venting options to fit a wide array of spaces. It also comes with a 15-year guarantee for the heat exchanger, a 5-year guarantee for labor, and a 1-year guarantee for parts. While the Controlr module for WiFi control is not included, it's available for separate purchase.
To ensure that your tankless water heater is installed correctly, Rinnai recommends professional installation. Visit the Find a Rinnai PRO page on their website to locate a qualified technician in your area.
With so many tankless water heaters on the market, it can be overwhelming to choose the right one for your home. Rinnai makes it easy with their product guides, manuals, energy guide, warranty information, videos, and tables. They even offer a Ground Water Temperature Map to help you determine if this heater is optimal for your region.
7. Rinnai Rl94in Tankless Hot Water Heater, 9.8 Gpm, Natural Gas, Indoor Installation
The Rinnai Tankless Hot Water Heater is a reliable solution to never running out of hot water again. Its Circ-Logic technology adapts to your hot water usage patterns, providing you with a consistent supply of hot water. If you're looking for the latest technology, the new RE180iN model offers non-condensing technology that speeds up service and installation.
This gas water heater is compact and only the size of a small suitcase, making it easy to fit in a variety of spaces. Despite its size, it can provide up to 9.8 gallons per minute, enough for up to six fixtures at once.
The Rinnai Tankless Hot Water Heater has a smart and durable design, backed by a 12-year residential guarantee and a 5-year commercial factory warranty for the heat exchanger, labor, and parts. The Controlr module allows for WiFi control, providing you with even more convenience. Please note that professional installation is strongly recommended to ensure proper installation and safety. Visit the Find a Rinnai PRO page on the website to locate a qualified technician in your area.
Finding the right tankless water heater for your home has never been easier. Rinnai offers product guides, manuals, energy guides, warranty information, videos, and tables to help you make the right decision. Check out the Ground Water Temperature Map to see if this heater is optimal for your region.
8. Brass Tankless Water Heater Valve Kit.
The tankless water heater valve kit is an essential accessory for any American homeowner. It is made from lead-free brass, ensuring its safety and compliance with federal and state standards for drinking water system components. The one-piece gravity forged thickened brass body is designed to prevent leaks and drips, making it a reliable and long-lasting investment.
This kit comes in a standard size that fits all 3/4 inch plumbing systems, making it compatible with most American residential usage. The package includes one hot isolation valve with a 500 WOG rating, one cold isolation valve with a 500 WOG rating, and one pressure relief valve with a 150 psi/200K BTU rating. The red and blue handles help identify hot and cold valves, ensuring easy installation and maintenance.
The integrated drain valve with brass safety cap is easy to install and maintain, making it a great choice for both DIY enthusiasts and professional plumbers. If any issues arise, GRTOWO team offers replacement or full refund services, giving customers peace of mind and confidence in their purchase.
9. Bosch Electric Tankless Water Heater – Eliminate Time For Hot Water – Easy Installation
Introducing the Convenient Tankless Hot Water Heater, the solution to long waiting times for hot water at point-of-use. With a 12 kW output, this tankless electric water heater provides on-demand hot water at your every need.
Installation is made easy as it can be easily installed under any bathroom or kitchen sink. It is perfect for commercial tenant improvements such as an office suite with a sink or an attached bathroom, as well as garage apartments and in-law suites.
The temperature of the water can be easily adjusted to match your preference with its thermostatic control feature.
It is important to note that this unit is designed to operate on 240-Volt only and has dimensions of 12.75 x 6.5 x 3 Inches.
This tankless hot water heater boasts an impressive efficiency rate of 98% with minimal stand-by loss. It also has a water pressure range of 10-150 PSI, ensuring a steady flow of hot water.
Say goodbye to long waiting times for hot water and invest in the Convenient Tankless Hot Water Heater for a hassle-free and efficient hot water experience.
10. Eemax Pr024240 Commercial 24 Kw 240v Electric Tankless Water Heater
Looking for an efficient and reliable hot water solution? Look no further than this product, designed to provide instant, consistent and endless hot water. With its protected internal temperature control, you can adjust the temperature in increments of just 1 degree, ensuring that you always have the perfect temperature water for your needs.
One of the key benefits of this product is its impressive energy efficiency, which stands at an impressive 99.8%. This means that you can enjoy hot water whenever you need it without worrying about excessive energy usage or high utility bills.
Installation of this hot water system is simple and hassle-free, making it easy for even those without technical expertise to get up and running in no time.
With a temperature range of 80-140 degrees Fahrenheit, this hot water system is ideal for a wide range of applications, from residential use to commercial settings. Whether you need hot water for cooking, cleaning, bathing, or anything else, this product has got you covered.
Best Commercial Tankless Water Heater FAQs
Can a commercial tankless water heater provide enough hot water for a large business?
Yes, a commercial tankless water heater can provide enough hot water for a large business. Tankless water heaters are designed to provide on-demand hot water, which means that they can supply hot water continuously as long as there is demand. Commercial tankless water heaters come in various sizes and capacities, which can meet the hot water needs of large businesses such as hotels, restaurants, and hospitals.
One of the significant advantages of a commercial tankless water heater is that it can provide a virtually unlimited supply of hot water. Unlike traditional water heaters, which store hot water in a tank, tankless water heaters heat water as it flows through the unit, providing an endless supply of hot water. This feature makes them ideal for businesses with high hot water demand.
When choosing a commercial tankless water heater, it is essential to consider the size of the business, the number of users, and the hot water demand. A qualified plumber or HVAC technician can help determine the appropriate size and capacity of the tankless water heater needed for a large business.
How do the prices of commercial tankless water heaters compare to traditional tank units?
Commercial tankless water heaters are generally more expensive than traditional tank units upfront. However, in the long run, they can save business owners money on energy bills and maintenance costs.
The initial cost of a tankless water heater is higher due to the advanced technology and installation requirements. Tankless units require specialized ventilation systems and larger gas lines or electrical circuits. On the other hand, traditional tank units are relatively simple to install and require less upfront investment.
However, tankless water heaters are designed to be more energy-efficient, which can lead to significant cost savings over time. Since tankless units only heat water as needed, they don't need to constantly keep a large tank of water at a high temperature. This can result in up to 30% less energy usage compared to traditional tank units.
Additionally, commercial tankless water heaters tend to have longer lifespans and require less maintenance than traditional tank units. This means that while the initial investment may be higher, the long-term savings can make up for it.
Overall, the decision to invest in a commercial tankless water heater depends on the specific needs and budget of the business owner.
How efficient are commercial tankless water heaters compared to traditional tank units?
Commercial tankless water heaters are generally more efficient than traditional tank units. This is because tankless models do not store hot water, but instead heat water on demand. Traditional tank units constantly heat and store water, even when it is not being used, which can waste energy and money.
Tankless models also have a longer lifespan than traditional tank units, with an average lifespan of 20 years compared to 10-15 years for traditional tanks. This means that while the initial cost of a tankless unit may be higher, it can save money in the long run by avoiding the need for frequent replacements.
In addition, tankless units take up less space than traditional tanks, making them a good option for smaller commercial spaces. They also provide an endless supply of hot water, which can be beneficial for businesses with high hot water demands.
Overall, commercial tankless water heaters are a more efficient and cost-effective option for businesses looking to upgrade their hot water systems.
How much can a business save on energy costs by switching to a tankless water heater?
Switching to a tankless water heater can save a business a significant amount of money on energy costs. Traditional water heaters store and constantly heat a large amount of water, which can lead to wasted energy and higher bills. In contrast, tankless water heaters only heat water as it is needed, which can reduce energy usage and costs by up to 30%.
The amount of savings a business can expect from switching to a tankless water heater will depend on several factors, including the size of the business, the number of people using hot water, and the energy efficiency of the existing water heater. However, businesses can typically expect to save anywhere from a few hundred dollars to several thousand dollars per year on energy costs.
In addition to the cost savings, switching to a tankless water heater can also provide other benefits such as increased energy efficiency, longer lifespan, and reduced maintenance needs. Overall, it is a wise investment for businesses looking to reduce energy costs and improve their bottom line.
What are the installation requirements for commercial tankless water heaters?
The installation requirements for commercial tankless water heaters may vary depending on the specific model and the manufacturer's guidelines. However, in general, there are several key requirements that need to be considered when installing a commercial tankless water heater.
Firstly, it is important to ensure that the unit is installed in a location that is easily accessible for maintenance and repair work. This may involve finding a suitable location that is close to the main water supply and electrical source.
Secondly, it is important to ensure that the unit is properly sized for the building's water demands. This may require calculating the peak demand for hot water and selecting a unit that can meet this demand.
Thirdly, it is important to consider the venting requirements for the unit. Most commercial tankless water heaters require a dedicated venting system that is properly sized and installed to ensure proper exhaust and ventilation.
Finally, it is important to ensure that the unit is installed by a licensed professional who is familiar with the specific requirements of the unit and can ensure that it is installed safely and properly.
What are the most important factors to consider when selecting the best commercial tankless water heater for a business?
When selecting a commercial tankless water heater for a business, there are several important factors to consider. First and foremost, you need to determine the size of the unit that you need. This will depend on the size of your business and the demand for hot water. You will also need to consider the fuel source. Tankless water heaters can be powered by gas or electricity, and the choice will depend on the availability and cost of these resources in your area.
Another important factor to consider is the flow rate of the unit. You want to make sure that the unit can provide enough hot water to meet the demands of your business, especially during peak usage times. The energy efficiency of the unit is also important, as this will impact your operating costs over time.
Finally, you should consider the overall quality and reliability of the unit. Look for a reputable brand with a good track record for producing high-quality, durable tankless water heaters. By taking these factors into account, you can select the best commercial tankless water heater for your business needs.
What are the top-rated commercial tankless water heaters available on the market?
There are several top-rated commercial tankless water heaters available on the market today. One of the most popular brands is Rinnai. Their line of commercial tankless water heaters offers a high flow rate and energy efficiency suitable for large buildings. Another popular brand is Navien, which offers a range of tankless water heaters with advanced features like Wi-Fi connectivity and remote monitoring.
Other top-rated brands include Bosch, which manufactures both gas and electric tankless water heaters for commercial use. Their products are known for their durability and energy efficiency. Additionally, Noritz is another reliable brand that offers a variety of commercial tankless water heaters with a high flow rate and a long lifespan.
When choosing a commercial tankless water heater, it's important to consider factors like the size of the building, hot water demand, and energy efficiency. Each of these brands offers a range of options to fit different commercial needs and budgets.
What is the average lifespan of a commercial tankless water heater?
The lifespan of a commercial tankless water heater can vary depending on several factors. On average, a well-maintained unit can last around 20 years or more. However, the lifespan may be affected by the frequency of use, the quality of water in the area, and the level of maintenance the unit receives. Hard water, for instance, can cause mineral buildup on the heating elements, which can reduce the efficiency and lifespan of the system. Regular maintenance, such as flushing the unit and descaling the heating elements, can help to prolong the lifespan of the tankless water heater. Additionally, the manufacturer's recommended maintenance schedule should be followed to ensure the unit is functioning correctly. In summary, with proper care and maintenance, a commercial tankless water heater can last for many years, providing a reliable source of hot water for your business.
What is the maintenance required for a commercial tankless water heater?
Commercial tankless water heaters are a great investment for businesses that require a constant supply of hot water. However, like any other appliance, they require regular maintenance to ensure they function optimally and have a long lifespan.
The first step in maintaining a commercial tankless water heater is to regularly inspect the unit for any signs of wear and tear, such as leaks or corrosion. It is also important to flush the unit periodically to remove any mineral deposits that may have built up over time.
Additionally, it is recommended to have a professional technician perform an annual inspection of the unit to check the gas pressure, electrical connections, ventilation, and other components. This will help identify any potential issues before they become major problems.
Another crucial maintenance task is to regularly replace the unit's air filters, which can become clogged with dust and debris and reduce the heater's efficiency. Finally, it is important to ensure that the unit is installed in a well-ventilated area to prevent the buildup of harmful gases.
Overall, regular maintenance of a commercial tankless water heater can help extend its lifespan, improve its efficiency, and ensure a reliable supply of hot water for your business.
What safety features should be considered when choosing a commercial tankless water heater?
When choosing a commercial tankless water heater, safety should be a top priority. Here are some key safety features to consider:
1. Overheat protection: A commercial tankless water heater should have built-in sensors that automatically shut off the unit if it reaches a certain temperature to prevent overheating.
2. Flame failure protection: This feature shuts off the gas supply to the heater if the flame goes out, preventing gas leaks.
3. Anti-scald protection: To prevent burns, the unit should have an anti-scald feature that regulates the temperature of the water to prevent it from becoming too hot.
4. Freeze protection: In colder climates, the unit should have a freeze protection feature that prevents the water from freezing and damaging the unit.
5. Venting: Proper venting is essential to ensure the safe operation of the unit. Make sure the unit is installed in a well-ventilated area and that the venting system meets local safety codes.
6. Pressure relief valve: A pressure relief valve is necessary to prevent the unit from building up too much pressure, which can cause damage or even explosion.
By considering these safety features when choosing a commercial tankless water heater, you can ensure the safety of your employees and customers while also enjoying the benefits of energy efficiency and cost savings.
