Best Electric Tankless Water Heater For Rv (2025 Update)
Are you an RV owner looking to upgrade your water heater? Installing an electric tankless water heater can be a game-changer, providing endless hot water on demand without the constraints of a tank. But with so many options on the market, how do you determine which is the best electric tankless water heater for your RV?
When researching tankless water heaters, there are a few key factors to consider. First, look at the unit’s flow rate – how many gallons per minute it can heat. A higher flow rate means more hot water at once. Next, examine the power requirements. Some models require a dedicated 50-amp circuit, while others can run on a standard 30-amp hookup. Also, check the activation flow rate – the minimum water flow needed to turn the heater on. The lower this number, the more responsive the unit.
You’ll also want to consider size and weight constraints specific to RVs. Will it fit in your existing space? How much does it weigh? A more compact, lightweight model may be preferable. Finally, look for safety features like automatic shut-off and built-in freeze protection. An ideal unit will be durable enough to handle life on the road while providing endless hot showers whenever you need them.
Ready to upgrade your RV’s water heating game? Do your research to find the best electric tankless water heater for your particular needs and budget. With the right unit, you’ll enjoy hot water anywhere your travels take you!
10 Best Electric Tankless Water Heater For Rv
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Ideal for small spaces or as a point-of-use hot water source in RVs, trailers, kitchens, or under sinks.
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Ideal for providing instant hot water under the kitchen sink, with a capacity of 6.5 gallons and easy plug-in installation.
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Ideal for providing hot water in recreational vehicles (RVs) using both gas and electric power options.
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4
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This product is ideal for providing instant hot water in kitchens and bathrooms with LED digital display and hose included.
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Ideal for providing hot water in RVs with quiet operation, easy installation, freeze protection, and digital user control panel.
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6
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This product is ideal for providing instant hot water for home, kitchen and bathroom use.
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7
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Ideal for providing hot water in small spaces such as RVs, boats, and tiny homes.
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8
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Ideal for providing on-demand hot water for one shower in small spaces and low energy use.
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9
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Ideal for providing hot water on demand in a cost and energy-efficient manner for homes and businesses.
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10
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The product is ideal for providing instant hot water and has overheating protection, enhancing safety.
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1. Endless Hot Water Compact Storage Unit
This stainless steel mini hot water heater is a reliable and long-lasting addition to any household. With its anti-leakage plug and multiple safety protection functions, users can feel secure knowing they are protected from the risks of scalding, leakage, or other injuries. The premium plastic shell is corrosion-resistant, making it ideal for use in various settings, including kitchens, bars, schools, hospitals, communities, and RVs.
Equipped with a smart inverter that automatically preserves and stores hot water, this 2.5-gallon point-of-use mini-tank fits conveniently under the sink to provide hot water right where it's needed. With a thermal efficiency of 98% and a maximum temperature of 149℉, the built-in smart chip heats water to the temperature set by the user and automatically insulates it when it reaches the specified temperature.
Operating the mini hot water heater is simple thanks to its easy-to-use knob temperature adjustment design. The vent valve, Tee pipeline, pipes, and other accessories are complete, making installation quick and easy without any additional expenses or preparation time.
This mini hot water heater also boasts a fast recovery rate, eliminating the need to wait for hot water at the sink. It supplies up to two sinks at a time, taking only 8-15 minutes to heat to the desired temperature.
With its compact design, the mini hot water heater can be shelf, wall, or floor mounted with the water inlet and outlet upward. It measures 13.0''L x 11.4''W x 10.6''H and weighs 9.5lbs. It operates at 1.5 kW and 110-220 volts.
The product comes with a one-year warranty and 24-hour customer service support. If there are any questions or concerns about the product, customers can contact the customer service team at any time, as they are available online 24 hours a day.
In the event of any product quality problems occurring within one year of purchase, the company offers free replacement services, providing peace of mind to customers. While there have been some negative reviews, the company is committed to continuously improving its product quality and service.
2. Instant Hot Water Mini Tank Heater
The Point of Use 6.5 Gallons Mini Tank Water Heater is the perfect solution for those who desire instant hot water with minimal wait time. With its fast recovery rate, standby loss is reduced, and thermal efficiency is increased up to 99%. This water heater is perfect for those who need hot water in a specific location, as it can be mounted under a sink or counter, with dimensions of 17.7" x 17.7" x 14.6".
Installation is a breeze with its upgraded plugin design, and the nominal current is 12amps. The thermostat allows for three temperature level settings, ranging from 50°F to 149°F, with high temperature limit protection and a freeze mode to prevent the tank from freezing.
This water heater is made with premium quality and durability in mind, with a glass-lined tank for optimal insulation and a temperature and pressure relief valve included. With its UL Listing, you can trust that this water heater will have a long service life.
The specifications of this water heater are as follows: dimensions of 17.7"H x 17.7"W x 14.6"D and a weight of 26.5 lbs, with water connections at 1/2" NPT and electrical requirements of 1.44 kW at 120 volts. The maximum water pressure is 150PSI, and the nominal current is 12A.
This water heater comes with a 3-year limited warranty for the tank, a 1-year warranty for parts, and 24-hour customer service for any product issues. Overall, the Point of Use 6.5 Gallons Mini Tank Water Heater is a reliable and efficient option for those in need of instant hot water in a specific location.
3. Dometic Usa 94002sp Wh-Gea Rv Gas/electric Water Heater – 6 Gallon , Silver
The Dometic WH-6GEA water heater is an outstanding product designed for mobile applications. It boasts a powerful burner system that heats water quickly, reducing wait times for hot water. Additionally, it has an electric heating element that provides additional input, ensuring that hot water is readily available when needed.
One of the key benefits of the Dometic water heater is its extended hot water capabilities. The water heater design allows you to enjoy hot water for longer periods, making it perfect for longer showers or filling up larger tanks. This feature is especially useful for those who live on the go and need access to hot water for extended periods.
The Dometic water heater has an Aluminium tank that requires no anode rod, making maintenance easy and hassle-free. This low-maintenance feature ensures that you don't have to worry about frequent upkeep, saving you time and money in the long run.
The convenient size of the Dometic WH-6GEA water heater is another advantage. With a capacity of 6 gallons and compact dimensions of 16 x 16 x 14 inches, it is easy to install indoors and provides a reliable and convenient source of hot water for your RV or mobile home. The size also ensures that it won't take up too much space in your vehicle, leaving ample room for other essentials.
The market-leading Dometic WH-6GEA water heater is an excellent choice for those who want a reliable and convenient source of hot water while on the move. Its robust burner system generates hot water quickly and for longer durations, ensuring a comfortable and convenient showering experience wherever you are. With the Dometic water heater, you don't have to compromise on your comfort when living on the go.
4. Instant Hot Water Tap With Digital Display
The tankless water heater electric from Wezer is a high-quality and reliable option for those in need of hot water for their summer cottages, guest houses, or garages. Made from H59A level ecological refined copper material and ABS engineering plastic, this water heater is both sturdy and durable. Its high wear resistance and shape stability make it a long-lasting investment.
This water heater shower set comes with an instant hot water tap, hose, and showerhead, making it a complete and convenient package. With its temperature sensor, the water heater is designed to provide hot water on demand, eliminating the need to store heated water. The inlet way of the water heater is located under the influent, ensuring consistent and reliable water flow.
The Wezer electric water heater is designed to heat both cold and hot water, with the current temperature clearly displayed on the screen. The water heater heats the flow passing through it to a temperature of +60 degrees Celsius, taking at least 5 seconds to heat the water. The heated water temperature ranges from 30 to 40 degrees in winter and from 30 to 60 degrees in summer, making it a versatile option throughout the seasons.
The installation of the Wezer electric water heater is simple and straightforward, and it can be used directly on the faucet without any special equipment. This tankless water heater electric is a convenient and practical solution for anyone in need of hot water, and its high-quality materials and straightforward installation make it a reliable investment.
5. Girard Rv Water Heater: Powerful, Quiet, & Efficient.
The Girard RV tankless water heater is a powerful and efficient hot water solution for your RV plumbing needs. With a 42,000 BTU output, this water heater delivers optimal performance while consuming half the LP gas that a six-gallon tank water heater would use for the same amount of hot water.
One of the standout features of this tankless water heater is its consistent temperature control. The onboard microprocessor monitors the incoming cold water temperature, flow rate, and outgoing hot water temperature to ensure a steady water flow. It also regulates the burner to maintain a consistent temperature, preventing cold spots and scalding water.
The Girard RV tankless water heater is highly efficient and consumes minimal power. The quiet, brushless motor runs on 12V power and operates at less than three amps for nearly noiseless operation. This makes it an excellent choice for those who value a quiet camping experience.
The intelligent digital user control panel allows for easy temperature adjustment, ranging from 95 to 124°F, and toggling between Fahrenheit and Celsius. It also provides a continuous water outlet temperature reading and displays error codes for easy troubleshooting.
Installation of the Girard RV tankless water heater is a breeze. With its lightweight and compact design, it can fit in any tank water heater cut-out opening and weighs only 23 lbs. Additionally, there is no need for bypass plumbing, no tank to drain, and no anode rods to change.
6. Instant Hot Water System For Home And Bathroom
This domestic tankless electric water heater is a reliable and safe choice for any household. The product has undergone rigorous testing and features multiple protection functions, including water and electricity isolation, IPX4 waterproofing, leakage protection, dry-burning protection, and automatic power-off in over-temperature and inactive states. These features ensure that users can enjoy hot water without any concerns about safety.
With a 3000W high-efficiency output, this mini water heater can heat water in just 3 seconds and maintain a constant temperature to provide the best water temperature for users. The water temperature can be adjusted freely with the water flow, offering a temperature range of 68°F to 126°F.
The home water heater has a mini body that is easy to install in the bathroom, kitchen, and under the sink. It features a standard 1/2 inch interface for inflow or outflow and can be directly connected to household conventional hose connectors. Please note that the plug current is 27-32A, the trip switch is greater than 32A, circuit breaker within 4000W requires greater than C32, and the wire within 4000W requires 2.5m².
This water heater is perfect for providing comfortable water temperature suitable for washing food, bowls, clothes, face, hands, and more. However, it is only suitable for summer showers.
Besides, washing hands and face frequently with hot water can effectively prevent various diseases such as colds and make the body healthier. Therefore, this water heater is an essential product for every family, offering a convenient and healthy way to access hot water.
7. Camplux Me60 Mini Tank Electric Water Heater 6-Gallon With Cord Plug,1.44kw At 120 Volts
The Camplux electric water heater is an excellent choice for those who want a reliable and energy-efficient way to get hot water where they need it. With its built-in insulation foam, this water heater helps to reduce heat loss, which can save you money on your energy bills. Its 6-gallon point-of-use mini-tank is designed to fit under your sink, making it easy to access hot water right where you need it.
This electric water heater is built to last with a glass-lined tank that is durable and easy to maintain. Its elegant streamline design cover adds a touch of style to your kitchen. The thermostat control allows you to adjust the water temperature to your desired level, while the high limit device provides protection against overheating.
The Camplux electric water heater is UL approved for safety and comes with a CSA listed temperature and pressure relief valve included. It can be easily installed on a shelf, wall, or floor (bracket included), and simply taps into your cold water line. With a maximum water pressure of 150 PSI, this water heater is designed to provide reliable hot water for all your needs.
Installation is easy with the 43.3'' cord that plugs into a 120-volt outlet, allowing for independent installation or in-line with a larger hot water source. Its compact size of 15.75" W x 21" H x 15.5" D makes it perfect for smaller spaces, yet it is powerful enough to provide hot water for your daily needs.
8. Showermate: On-Demand Water Heater For Endless Relaxation
The Airthereal Electric Tankless Water Heater is the perfect solution for anyone who has ever experienced a sudden loss of hot water while taking a shower or washing dishes. With this water heater, you can enjoy endless hot water on demand without having to preheat or worry about temperature fluctuations.
One of the biggest advantages of this wall-mounted water heater is that it takes up 90% less space than a traditional hot water heater with a tank. This makes it an excellent choice for those who are limited on space.
Not only does the Airthereal Electric Tankless Water Heater save space, but it also saves energy. The self-modulating temperature technology ensures that water is only heated when you need it, meaning that you won't waste energy by storing hot water in a tank. This technology can help you save up to 50% on water heating costs compared to a typical tank water heater.
It is important to note that in order to install the 14kW Electric Tankless Water Heater, you will need a 240 Voltage, 60 AMP Circuit Breaker Size, and a set of 6AWG/2 wires. Be sure to check that your breaker panel meets these specifications before installation.
Safety is a top priority with the Airthereal Electric Tankless Water Heater. It comes equipped with high temp protection, dry heating protection, and electrical leakage protection to ensure that you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
9. Ecoplus Hot Water Heater: Stiebel Eltron Tempra 24
Introducing the Tempra 24 Plus, a cutting-edge electric tankless water heater that utilizes advanced Flow Control patented technology to automatically maintain water temperature for constant comfort. Invented by Stiebel Eltron, this technology ensures that hot showers will never be interrupted again. If hot water demand exceeds capacity, the unit will reduce flow slightly to maintain a consistent temperature.
Designed with space and energy savings in mind, the Tempra 24 Plus features a small, sleek white design that saves space in your home without sacrificing performance. No venting is required, making installation a breeze. This eco-friendly unit saves energy with auto-modulation and the ability to electronically control water flow. A savings monitor even shows how much you save on energy costs.
Operating the Tempra 24 Plus is easy with an electronic switch that activates the hot water heater and a noise-free operation. The digital temperature display and preset temperature and memory buttons make it easy to set and maintain the perfect water temperature. The interior solid copper heating system does all the power work, ensuring reliable and efficient performance.
This specific model is 24kW, 240V, and requires a minimum recommended electric service of 150 A. It offers an impressive output water temperature range of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels. Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109°F, an important safety feature in some installations to prevent scalding.
Stiebel Eltron's top-rated electric tankless water heaters deliver the highest standards for comfort and reliability. With the purchase of the Tempra 24 Plus, you'll receive a 7-Year Leakage Warranty and a 3-Year Parts Warranty, providing peace of mind and protection for your investment. Choose the Tempra 24 Plus and enjoy endless hot water and energy savings in your home or business.
10. Electric Instant Tankless Hot Water Heater
Looking for an instant and consistent supply of hot water? Look no further than this electric water heater. With a powerful 5.5KW heating system, this tankless water heater is capable of supplying hot water at a temperature of 116℉ or higher in just a matter of seconds. Say goodbye to lukewarm water and hello to a comfortable, hassle-free experience.
One of the standout features of this water heater is its smart self-adjustment technology. This feature allows the system to adjust power input based on flow rate and temperature setting in real-time. This means that even if water flow is reduced, you'll still get the ideal temperature without the risk of scalding hot water. And with an optimal energy efficiency rating of 98%, you can expect to save a considerable amount on your electric bill.
The water heater also features a digital display and touch control panel, making it easy to adjust the temperature to your preferred setting. No more struggling to find the right temperature with a mixer tap. And with its compact size, the water heater can be installed almost anywhere close to an outlet, without wasting energy.
Safety and durability are also a top priority with this water heater. It has been designed with multiple protection devices and has undergone strict testing to ensure 100% safety. The inner water and electricity lines are separate to avoid any leakage or harm from scale build-up. Plus, it has been approved by ETL and qualifies for UL, so you can expect outstanding performance for years to come.
Whether you're looking to install it in your kitchen, bar, school, hospital, community, or hair salon, this sleek and compact tankless water heater is an ideal choice. Please ensure that it is the right size for your needs, with a power rating of 5.5kW at 240V and dimensions of 11" x 7.5" x 2.35". The pipe fittings are 1/2" NPT.
Don't settle for lukewarm water or unreliable temperature settings. Upgrade to this top-of-the-line electric water heater and enjoy instant, consistent, and safe hot water whenever you need it.
Best Electric Tankless Water Heater For Rv FAQs
Can an electric tankless water heater be installed in any type of RV?
Electric tankless water heaters are a popular choice for RV owners who want an energy-efficient and space-saving solution for their hot water needs. However, not all RVs are compatible with electric tankless water heaters.
Before installing an electric tankless water heater in your RV, you need to consider several factors such as the size and capacity of the unit, the power supply requirements, and the electrical system of your RV.
Firstly, you need to make sure that the electric tankless water heater you choose is the right size and capacity for your RV. You should consider the number of people who will be using the hot water and the size of your RV's water lines.
Secondly, you need to ensure that your RV has the appropriate power supply to run the electric tankless water heater. Most electric tankless water heaters require a 220-volt electrical outlet, which may not be available in all RVs.
Finally, you should also consider the electrical system of your RV. Some older RVs may not have the capacity to handle the increased electrical load of an electric tankless water heater.
In summary, while electric tankless water heaters can be installed in many types of RVs, it is important to consider the size and capacity, power supply requirements, and electrical system of your RV before making a decision.
Can an electric tankless water heater provide enough hot water for an RV shower?
Yes, an electric tankless water heater can provide enough hot water for an RV shower, but it depends on the specific model and the size of the RV. It's important to choose a tankless water heater with the appropriate flow rate for the RV's water system and the number of people using the shower.
Most tankless water heaters are designed to provide a continuous flow of hot water, so as long as the unit is sized correctly, it should be able to provide enough hot water for a comfortable shower. However, some smaller RVs may not have the necessary electrical capacity to power a tankless water heater, so it's important to check the RV's electrical system before purchasing a unit.
Overall, an electric tankless water heater can be a great option for an RV shower, providing hot water on demand without the need for a bulky, space-consuming water tank. Just make sure to choose a high-quality unit that's compatible with the RV's specific needs.
How do I choose the best electric tankless water heater for my RV?
Choosing the best electric tankless water heater for your RV depends on several factors. Firstly, you need to consider the size of your RV and the amount of hot water you need. A smaller RV will require a smaller water heater with a lower flow rate, while a larger RV will require a larger water heater with a higher flow rate. Secondly, you need to consider the power source available in your RV. If you have a 120V power source, you will need a water heater that is compatible with that voltage. Finally, you need to consider the brand, price, and warranty of the water heater. Look for a reputable brand with good customer reviews and a warranty that covers any defects or malfunctions.
When choosing the best electric tankless water heater for your RV, you should also pay attention to the energy efficiency of the unit. A more efficient water heater will save you money on your energy bills in the long run. Additionally, look for a water heater with easy installation and maintenance, as this will save you time and money on repairs and replacements. Overall, take your time to research and compare different models to find the best electric tankless water heater for your RV that meets your specific needs and budget.
How long does it take for an electric tankless water heater to heat up water in an RV?
The time it takes for an electric tankless water heater to heat up water in an RV can vary depending on several factors. The first factor is the size of the water heater and its heating capacity. The second factor is the temperature of the incoming water. The colder the water, the longer it will take to heat up. The third factor is the flow rate of the water. If the water is flowing at a high rate, it may take longer to heat up.
On average, it can take anywhere from 10 to 20 seconds for an electric tankless water heater to heat up water in an RV. However, this time can vary depending on the factors mentioned above. It is important to note that electric tankless water heaters are generally more efficient and can provide endless hot water compared to traditional tank water heaters. Therefore, it is a great investment for RVers who want to have a constant supply of hot water while on the road.
How much does an electric tankless water heater for an RV cost?
The cost of an electric tankless water heater for an RV can vary depending on the brand, model, and features. On average, you can expect to pay between $200 to $700 for a quality electric tankless water heater. However, there are some high-end models that can cost upwards of $1,000. It is important to keep in mind that while electric tankless water heaters may have a higher upfront cost compared to traditional tank water heaters, they can save you money in the long run due to their energy efficiency and longer lifespan. Additionally, it is important to consider the installation cost as well, as this can vary depending on the complexity of the installation and any necessary modifications to your RV's electrical system. Overall, it is best to do your research and compare prices and features to find the best electric tankless water heater for your RV within your budget.
What are the benefits of using an electric tankless water heater in an RV?
Electric tankless water heaters have become increasingly popular in recent times as they offer a host of benefits over traditional tank water heaters. In an RV, these benefits are even more pronounced. Firstly, electric tankless water heaters are highly efficient, meaning they heat water only when it is required, reducing energy consumption and saving money. This is especially important in an RV where space and resources are limited.
Secondly, electric tankless water heaters are compact and take up less space than traditional tank heaters, making them ideal for use in RVs where space is at a premium. Additionally, they are lightweight and easy to install, making them a practical choice for RV owners.
Thirdly, electric tankless water heaters provide endless hot water on demand, ensuring that you never run out of hot water, even if you have multiple people using the shower or sink at the same time.
Finally, electric tankless water heaters are low maintenance and have a longer lifespan than traditional tank water heaters. This means that they require less upkeep and are a more cost-effective option in the long run. Overall, electric tankless water heaters are a smart choice for RV owners looking for an efficient and practical solution to their hot water needs.
What are the top-rated electric tankless water heaters for RVs?
When it comes to electric tankless water heaters for RVs, there are several top-rated options available in the market. One of the most popular brands is the EcoSmart ECO 11 Electric Tankless Water Heater, which is known for its compact size and energy efficiency. It is designed to deliver hot water on demand and can provide up to 2 gallons per minute, making it an ideal choice for small to medium-sized RVs.
Another highly-rated electric tankless water heater is the Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater. This unit is known for its advanced flow control technology, which ensures a consistent supply of hot water even when the demand fluctuates. It has a sleek design and can deliver hot water at a rate of up to 4 gallons per minute, making it suitable for larger RVs.
Other notable options include the Atmor AT-900-03 Tankless Electric Instant Water Heater and the Rheem RTEX-13 Tankless Electric Water Heater, both of which are compact and energy-efficient. Ultimately, the best electric tankless water heater for your RV will depend on your specific needs and budget, but any of these top-rated options are sure to provide reliable hot water on demand.
What is the energy efficiency rating of the best electric tankless water heater for an RV?
The energy efficiency rating of the best electric tankless water heater for an RV can vary depending on the model and brand. However, most high-quality electric tankless water heaters for RVs are designed to be energy-efficient and provide significant cost savings. One of the top-rated electric tankless water heaters for RVs is the EcoSmart ECO 11, which boasts an impressive energy efficiency rating of 99.8%. This means that it utilizes almost all the energy it consumes to heat water, resulting in minimal energy waste and lower utility bills. Another highly efficient option is the Stiebel Eltron Tempra 24 Plus, which has an energy efficiency rating of 99%. It is important to note that the actual energy efficiency of a tankless water heater can also depend on factors such as water usage habits, water temperature, and climate conditions.
What is the maximum water flow rate of an electric tankless water heater for an RV?
The maximum water flow rate of an electric tankless water heater for an RV can vary depending on the specific model and brand. Generally, most electric tankless water heaters for RVs have a maximum flow rate of around 1.5 to 2 gallons per minute (GPM). It is important to note that the flow rate can also depend on the temperature rise, meaning that if you want hotter water, the flow rate may decrease.
Before purchasing an electric tankless water heater for your RV, it is important to consider your specific needs and usage. If you have a larger RV and multiple people using hot water at the same time, you may need a higher flow rate. On the other hand, if you are a solo traveler or have a smaller RV, a lower flow rate may be sufficient.
It is also important to ensure that your RV's electrical system can support the electric tankless water heater you choose, as some models may require a higher amperage than others. Consulting with a professional or the manufacturer's specifications can help ensure that you choose the right electric tankless water heater for your RV.
What size electric tankless water heater do I need for my RV?
The size of the electric tankless water heater you need for your RV will depend on a few factors. Firstly, consider the size of your RV and the number of people who will be using the hot water. You will also want to think about the climate you will be traveling in, as colder temperatures will require a larger unit.
In general, a 6-10 gallon electric tankless water heater should be sufficient for most RVs with one to two people. For larger RVs or those with more occupants, you may want to consider a larger unit, such as a 20-gallon model.
It's important to note that electric tankless water heaters require a significant amount of power, so you will need to make sure your RV's electrical system can handle the load. You may also want to consider installing a larger electrical panel and upgrading your wiring to ensure safe and efficient operation of your electric tankless water heater.
Ultimately, it's best to consult with a professional to determine the ideal size and installation requirements for your specific RV and hot water needs.
