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Best Electric Tankless Water Heater For Rv (2024 Updated)

If you’re looking for an efficient and effective way to heat water in your RV, an electric tankless water heater is a great option. These heaters provide on-demand hot water without the need for bulky tanks or complicated installation. Before making a purchase, there are a few factors to consider to ensure you get the right one for your needs.

First, think about the size of your RV and how many people will be using the heater. You’ll want to choose a unit that can provide enough hot water for everyone in a reasonable amount of time. Consider the flow rate and temperature rise to make sure it can meet your needs. Additionally, think about the electrical requirements and whether your RV’s electrical system can accommodate the heater’s power needs.

Another factor to consider is the installation process. Some electric tankless water heaters require professional installation, while others are designed for DIY installation. If you’re not comfortable doing electrical work, it’s best to choose a unit that can be installed by a professional.

Are you tired of running out of hot water in the middle of a shower? Do you want to save space and eliminate the need for a bulky water tank in your RV? Consider an electric tankless water heater for all your hot water needs on the road. With the right unit, you can enjoy hot showers and clean dishes no matter where your travels take you.

10 Best Electric Tankless Water Heater For Rv

# Product Image Product Name Product Notes Check Price
1
Ideal for providing hot water for small and medium-sized sinks or appliances in homes, offices, and other small spaces.
2
This solar generator is ideal for home backup, emergency situations, and outdoor camping with fast charging and 3 AC outlets.
3
This product is ideal for RVs or small spaces with its compact size and optional vented range hood.
4
It is ideal for boosting water pressure in RVs, transferring water, and irrigating gardens.
5
Ideal for descaling tankless water heaters, heat exchangers, and removing rust, lime, and water-formed deposits quickly and effectively.
6
This product is ideal for providing hot water to a single point of use, such as a sink or shower.
7
Ideal for providing hot water in recreational vehicles and boats with a combination of gas and electric power options.
8
Ideal for providing water pressure in various settings including kitchens, bathrooms, RVs, marine vehicles, and gardens.
9
The product is ideal for heating water using solar energy with a single row installation.
10
Ideal for off-grid power systems providing pure sine wave electricity with battery charging capability and split phase output.
Ideal for providing hot water for small and medium-sized sinks or appliances in homes, offices, and other small spaces.
This solar generator is ideal for home backup, emergency situations, and outdoor camping with fast charging and 3 AC outlets.
This product is ideal for RVs or small spaces with its compact size and optional vented range hood.
It is ideal for boosting water pressure in RVs, transferring water, and irrigating gardens.
Ideal for descaling tankless water heaters, heat exchangers, and removing rust, lime, and water-formed deposits quickly and effectively.
This product is ideal for providing hot water to a single point of use, such as a sink or shower.
Ideal for providing hot water in recreational vehicles and boats with a combination of gas and electric power options.
Ideal for providing water pressure in various settings including kitchens, bathrooms, RVs, marine vehicles, and gardens.
The product is ideal for heating water using solar energy with a single row installation.
Ideal for off-grid power systems providing pure sine wave electricity with battery charging capability and split phase output.

1. 120v Undersink Electric Tankless Water Heater, 2400 Watts, 20 Amps – Water Heaters

The Electric Tankless Water Heater is a reliable and efficient heating solution for both commercial and residential use. Designed to be installed as a point-of-use unit under the sink, this water heater provides on-demand hot water whenever you need it. With a power rating of 2400 watts, it can quickly heat up the water to your desired temperature.

This water heater is easy to install and requires minimal maintenance. It has a sleek and compact design that can fit easily under any sink, saving valuable space in your home or commercial space. The tankless design ensures that you never run out of hot water, making it an ideal choice for busy households or commercial applications.

The Electric Tankless Water Heater is also energy-efficient, saving you money on your energy bills while reducing your carbon footprint. It only heats up the water you need, eliminating the need for a large tank of hot water that constantly needs to be kept warm. Overall, this water heater is a great investment for anyone looking for a reliable and efficient heating solution for their home or business.

Pros

  • Efficient and reliable heating solution
  • Saves space with its compact design
  • Energy-efficient, reducing energy costs and carbon footprint
  • Easy to install and maintain
  • On-demand hot water, never run out of hot water

Cons

  • – May not be suitable for larger households with high hot water demand

2. Powerpro: 2000wh Solar Generator +panel For Outdoors & Emergencies

The Jackery Explorer 2000 PRO Portable Power Station is a reliable and efficient source of clean and unlimited solar energy, perfect for camping or family emergency storage. The station features a smart MPPT controller and can be fully charged with 1 Jackery SolarSaga 200W solar panel within 15 hours or only 2 hours via AC wall outlet charging. (*Fully charged with 2 SolarSaga 200W solar panels (the other Solar Panel should be bought separately) in less than 7.5 hrs.)

The ergonomic shape of the handle grants an easy grip and one-touch use with a simple and speedy setup within 60 seconds to enjoy outstanding charging efficiency. The Explorer 2000 PRO delivers under 53DB ensuring quiet and peaceful charging. The power station is safe and reliable for outdoor camping with cylindrical batteries that meet UL safety standards and certified with Impact-Resistance Class 9, passing the UL drop test (withstanding 3 drops from 0.9m height on any surface).

The pure sine wave inverter delivers constant voltage that protects equipment from damage. With 2160Wh (2200W AC output power) and 8 outlets (3*AC outlets, 2*USB-A quick charge 3.0, 2*USB-C PD 100W, 1*Car outlet), this power station can power 99% of home appliances. It is ideal for outdoor off-grid activities and home backup power to power the most of your appliances such as pellet smokers, mini coolers, ebikes, refrigerators, air conditioners and more.

The Jackery Solar Generator 2000 PRO comes with a 5-year warranty for a worry-free experience. In the package, you will get 1 Jackery Explorer 2000 PRO Portable Power Station, 1 SolarSaga 200W Solar Panel, 1 DC7909 to DC8020 Adapter, 1 Car Charge Cable, 1 AC Charge Cable, 9.8 feet DC charging cable, 1 carrying bag for SolarSaga 200W, and 1 User Manual. Please note that the power station and the solar panel(s) will be shipped in separate packages.

Pros

  • Provides clean and unlimited solar energy for camping or family emergency storage
  • Smart MPPT controller for efficient charging
  • Ergonomic handle and easy one-touch setup for convenience
  • Safe and reliable with cylindrical batteries that meet UL safety standards and certified with Impact-Resistance Class 9
  • Pure sine wave inverter delivers constant voltage to protect equipment from damage
  • Powerful enough to run 99% of home appliances with 2160Wh (2200W AC output power) and 8 outlets
  • Comes with a 5-year warranty for a worry-free experience

Cons

  • – The solar panel(s) need to be bought separately

3. Rv Water Pump With Garden Hose Adapters

The 110V AC water diaphragm pump is a reliable and efficient pump that provides a water flow of up to 5.5 gallons per minute. It can self-prime up to 9.8 vertical feet and lift up to 131 feet. It has a power of approximately 165W and a maximum amperage of 1.5. The built-in on-demand pressure switch turns on the pump immediately when the faucet is turned on, with a factory default setting of 55PSI. It comes with industry-standard fittings and is incredibly easy to install.

This water pump has passed CE certification and comes with overload and ignition protection, ensuring that it can run dry without suffering any damage. It temporarily stops working when temperatures exceed 70℃/158℉. The pump can support multiple liquids, including fresh water, drinking water, low-salinity solutions, and weak acidic liquids, making it an ideal choice for use with rain barrels, tankless water heaters, sprayers, and agricultural irrigation systems.

This water pump also comes with a 4-year warranty, ensuring that you can be confident in your purchase. The manufacturer always pays attention to the customer shopping experience, and if you have any questions during use, you can contact them at any time, and they will always be there to help you.

Pros

  • Reliable performance with a water flow of up to 5.5 gallons per minute
  • Self-priming up to 9.8 vertical feet and lift up to 131 feet
  • Built-in on-demand pressure switch turns on the pump immediately when the faucet is turned on
  • Comes with overload and ignition protection and can run dry without damage
  • Can support multiple liquids, including fresh water, drinking water, low-salinity solutions, and weak acidic liquids
  • Easy to install with industry-standard fittings
  • Comes with a 4-year warranty

Cons

  • – The maximum amperage of 1.5 may not be sufficient for some heavy-duty applications

4. Qwikdescaler: Tankless Water Heater Solution

QwikDescaler descaler solution is a versatile cleaning supply that can be used to quickly improve the efficiency of heaters and other tankless heat exchangers. It is highly effective in flushing out water scale, lime, rust, and other mineral deposits that hinder the performance of your unit. This descaler solution is safe to handle, non-corrosive, non-toxic, and biodegradable. It also gives off ZERO VOCs, making it an eco-friendly option.

One of the unique features of QwikDescaler+ tankless water heater descaler is that it changes color when more solution is needed. The solution turns from red to yellow, providing visual confirmation to add more solution. This eliminates guesswork, ensuring that your unit is getting the proper amount of descaling solution.

This water heater descaling solution can help extend the life of your unit and reduce energy costs. Flushing your tankless water heater at least once a year is a great way to maintain its efficiency and performance. QwikDescaler descaler solution eliminates buildup that erodes the walls and reduces energy efficiency.

At QwikProducts, all our products are researched, designed, and manufactured in the USA. Our cutting-edge technology is turned into top-of-the-line, cost-effective products for our customers. You can trust the quality of our products, including the QwikDescaler descaler solution.

Pros

  • Highly effective in flushing out water scale, lime, rust, and other mineral deposits
  • Safe to handle, non-corrosive, non-toxic, and biodegradable
  • Changes color when more solution is needed, providing visual confirmation
  • Helps extend the life of your unit and reduce energy costs
  • All products are researched, designed, and manufactured in the USA

5. Eemax Spex3512t Lavadvantage Thermostatic Electric Tankless Water Heater

Introducing the microprocessor-controlled water heater that provides instant hot water, the perfect solution to eliminate long waits for hot water. The heater is fitted with 1/2 inch Copper pipe Compression fittings, which can be installed with rear or bottom electric entry, making it an ideal choice for kitchen sinks, bar sinks, hand set showers, pool houses, spare bedrooms, vacation homes, and as an in-line booster for existing tank heaters.

This water heater operates with both hot and cold water feeds, and its microprocessor temperature control ensures that the temperature is accurate every time. With its 99% efficiency rate, it is an excellent back-up system for solar heating. The package dimensions measure 13" L x 6" W x 4" H.

Say goodbye to the inconvenience of waiting for hot water with this efficient and easy-to-use water heater. Its powerful heating element produces hot water immediately, and it gradually reduces its power input as the hot water from the tank arrives. This feature makes it an excellent choice for households that need an uninterrupted supply of hot water.

Pros

  • Microprocessor temperature control for accurate temperature
  • Fitted with 1/2 inch Copper pipe Compression fittings with rear or bottom electric entry
  • Ideal for kitchen sinks, bar sinks, hand set showers, pool houses, spare bedrooms, vacation homes, and as an in-line booster for existing tank heaters
  • 99% efficient
  • Eliminates long waits for hot water by producing hot water immediately and gradually reducing its power input as the hot water from the tank arrives

6. Dometic 94002sp Wh-Gea Rv Gas/electric Water Heater – 6 Gallon , Silver

The Dometic USA 94002SP 6 Gal Water Heater is a versatile and durable appliance that provides hot water for both gas and electric modes, making it ideal for use in a variety of settings. With a capacity of 6 gallons, it can provide enough hot water for a small family or group of friends. The appliance is designed to be easy to install and operate, and it comes with all the necessary hardware and instructions.

The water heater has a compact and space-saving design that makes it suitable for use in RVs, boats, and other small spaces. It has a high-quality aluminum tank that is corrosion-resistant and can withstand high temperatures. The tank is also insulated to minimize heat loss and improve energy efficiency.

The water heater has a user-friendly control panel that allows you to select the desired temperature and mode of operation. The gas mode uses propane or natural gas to heat the water, while the electric mode uses AC power. The water heater also has a safety valve that prevents overheating and a pressure relief valve that releases excess pressure.

Pros

  • Versatile appliance that provides hot water for both gas and electric modes
  • Easy to install and operate
  • Compact and space-saving design
  • High-quality aluminum tank that is corrosion-resistant and can withstand high temperatures
  • User-friendly control panel that allows you to select the desired temperature and mode of operation
  • Safety valve that prevents overheating
  • Pressure relief valve that releases excess pressure

Cons

  • – May not provide enough hot water for larger families or groups
  • – Requires both propane or natural gas and AC power for full functionality

7. Powerful Self-Priming Diaphragm Pump For Multiple Settings

This 115V AC water pump is an excellent addition to any home or industrial facility. With a water flow of 4 gallons per minute and a pressure switch set to 45PSI, this pump is both efficient and effective. It is incredibly easy to use, automatically turning on when the water tap is opened and turning off when it is closed.

This pump is also safe and smooth, with certification to CE standards. It is stable and durable, with a smooth self-priming operation and silent function. It can even run dry without damage thanks to thermal overload and ignition protection. If the temperature exceeds 70℃/ 158℉, the pump will temporarily stop working, but it will resume operation once the temperature has dropped. It is recommended to turn off the power and wait for the temperature to drop before using it again.

The pump features industry-standard fittings, a power plug, and an aluminum alloy mounting base, making it easy to directly replace similar common water pressure pumps. To avoid leakage to the pump rotor in case of some product failure during installation, it is recommended to put the pump head down or flat. It is also recommended to connect all parts closely to avoid leakage or combine seal tape with our pump strainer for better prevention of leaks on pipes and plumbing.

This pump has a wide range of applications, making it an excellent choice for use in the kitchen and bathroom. It can also be used with campers, sprayers, garden sprinklers, fertilizers, sprinkler faucets, and agricultural irrigation.

Choose this pump with confidence, knowing that high-quality home and industrial facilities should be available to everyone. With every purchase, you'll receive an AC Diaphragm Water Pump, a 1/2 inch Twist-on Water Strainer (including a 50 mesh stainless steel screen), two Hose Fittings, a User Manual, and a Box Container.

Pros

  • Efficient and effective with a water flow rate of 4 gallons per minute and a pressure switch set to 45PSI
  • Safe and smooth operation with CE certification and thermal overload and ignition protection
  • Wide range of applications from kitchen and bathroom to garden and agricultural irrigation
  • Easy to install with industry-standard fittings and aluminum alloy mounting base
  • Comes with a 1/2 inch Twist-on Water Strainer, Hose Fittings, a User Manual, and a Box Container

Cons

  • – It is recommended to connect all parts closely and use seal tape with the pump strainer to prevent leaks

8. 2 Panel Standard Sw-38 Hybrid Solar Water Heater Kit- Single Row Installation

Looking for a cost-effective way to heat water for your home? Look no further than this innovative solar water heater! Designed to connect to your existing electric or gas water heater, this hybrid system ensures that you'll never be without hot water, even on cloudy days. By harnessing the power of the sun, this system can help you slash your electric or gas bill, saving you money in the long run. Whether you're looking to reduce your carbon footprint or simply save money on your monthly bills, this solar water heater is the perfect solution for any homeowner!

Pros

  • Connects to existing electric or gas water heater
  • Hybrid system ensures hot water even on cloudy days
  • Cost-effective way to heat water for your home
  • Helps reduce your carbon footprint
  • Saves you money on your monthly bills

9. Sungoldpower Off-Grid Inverter With Battery Charger

The SUNGOLDPOWER 6,000 watt inverter charger is a UL1741 Listed inverter with a peak output of 18,000 watts for 20 seconds. This low frequency inverter is suitable for use with different appliances and features a DC 48 volt input and 120/240 volt AC split phase pure sine wave output. It comes with a transfer switch and 60 amps battery charger, making it a versatile and reliable choice for various applications. The inverter is ETL certified for UL1741 compliance.

The inverter charger offers a range of features, including the ability to adjust the charge current from 0-100%. It also has a DIP switch to set the utility/battery priority/low voltage cut off, automatic generator start (AGS), and automatic transfer switch between AC sources and battery sources. The convenient remote control allows for easy operation.

The SUNGOLDPOWER inverter is compatible with AGM, gel, lead acid, lithium ion, and LiFePO4 batteries. It offers multi-stage charging and allows for start-up and through-power with depleted batteries. The inverter also features a battery temperature sensor to protect your battery from overheating.

This reliable inverter is equipped with over/low voltage protection, over-temperature protection, and overload protection. It is capable of working with microwave ovens, water pumps, refrigerators, and other appliances. The SUNGOLDPOWER inverter is widely used for home, cabin, office, RV, trailer, boat, and other applications.

SUNGOLDPOWER is a top brand in the inverter business with over 10 years of experience. The company offers customer service in the USA and its inverter is ETL/TUV Qualified. The SUNGOLDPOWER inverter comes with a 2-year warranty and lifetime tech support.

Pros

  • UL1741 Listed inverter with a peak output of 18,000 watts for 20 seconds
  • Compatible with various types of batteries and offers multi-stage charging
  • Equipped with multiple protection features such as over/low voltage and over-temperature protection
  • Suitable for different appliances and widely used for various applications
  • Comes with a transfer switch and 60 amps battery charger, and allows for easy operation with a remote control
  • Top brand in the inverter business with over 10 years of experience and offers customer service in the USA

Cons

  • – None

Best Electric Tankless Water Heater For Rv FAQs

Can an electric tankless water heater be used in an RV with limited electrical capacity?

Yes, an electric tankless water heater can be used in an RV with limited electrical capacity. However, it is important to note that the amount of electricity required to power the water heater may exceed the capacity of the RV's electrical system.

To determine if an electric tankless water heater is suitable for an RV, it is essential to consider the electrical demand of the RV and the water heater. It is recommended to choose a water heater that is specifically designed for RVs and has a low electrical demand.

Additionally, it is essential to ensure that the RV's electrical system can handle the water heater's electrical load. It is recommended to consult with a professional electrician or RV technician to determine if the RV's electrical system can handle the water heater.

Overall, an electric tankless water heater can be a great addition to an RV, but it is crucial to consider the electrical capacity of the RV and choose a water heater that is suitable for the RV's electrical system.

How does the installation of an electric tankless water heater for an RV differ from a traditional tank water heater?

The installation of an electric tankless water heater for an RV is different from a traditional tank water heater in various ways. Firstly, an electric tankless water heater does not require a tank to store hot water, unlike a traditional tank water heater. Instead, it heats water instantly as it flows through the unit, which means that there is no standby heat loss or running out of hot water.

The installation process of an electric tankless water heater for an RV is also simpler than that of a traditional tank water heater. Since it doesn't require a tank, the electric tankless water heater takes up less space and can be installed in a more compact location. Additionally, it requires less maintenance compared to a traditional tank water heater, which needs periodic flushing to remove sediment buildup.

Another difference is that an electric tankless water heater for an RV requires a higher power supply than a traditional tank water heater. This means that it may require electrical upgrades to support the unit's power demand.

Overall, the installation of an electric tankless water heater for an RV is more convenient, efficient, and space-saving compared to a traditional tank water heater.

How much power does an electric tankless water heater for an RV typically consume?

The power consumption of an electric tankless water heater for an RV varies depending on the brand, model, and size. Generally, an electric tankless water heater for an RV requires a power supply of 120 volts and between 10 and 50 amps. The power consumption of an electric tankless water heater can range from 1.5 kW to 12 kW, depending on the size and heating capacity of the unit.

It is important to consider the power requirements of an electric tankless water heater before purchasing one for your RV. You should also ensure that your RV's electrical system can handle the power demand of the water heater. It is recommended to consult with a professional electrician to determine the appropriate size and power requirements of an electric tankless water heater for your RV.

Overall, an electric tankless water heater for an RV is an energy-efficient choice that can save you money on your energy bills while providing you with hot water on demand.

What is the average lifespan of an electric tankless water heater for an RV?

The average lifespan of an electric tankless water heater for an RV can vary depending on several factors. Generally, with proper maintenance and usage, an electric tankless water heater can last for 10-15 years. However, the lifespan can be affected by the quality of the heater, the frequency of usage, and the water quality. Hard water, for instance, can cause mineral buildup in the heater which can reduce its efficiency and lifespan. It is important to regularly flush the heater to remove any sediment buildup and keep it in good condition. Additionally, ensuring that the heater is properly sized for the RV's water needs can help prolong its lifespan. Regular maintenance and replacement of faulty parts can also extend the life of the heater. Ultimately, the longevity of an electric tankless water heater for an RV depends on how well it is cared for and used.

What is the best electric tankless water heater for an RV?

One of the best electric tankless water heaters for an RV is the EcoSmart ECO 11. This unit is specifically designed for small to medium-sized homes or as a point-of-use heater for RVs. It is compact and easy to install, making it a great choice for those who want an efficient and space-saving water heater.

The ECO 11 has a maximum flow rate of 2.5 GPM, which is suitable for most RVs. It also has a digital temperature control, allowing you to easily adjust the temperature to your desired level.

Another great feature of the ECO 11 is its energy efficiency. It is designed to be 99.8% energy efficient, which means it uses less energy to heat water compared to traditional tank water heaters. This can help you save on your energy bills while still enjoying hot water on demand.

Overall, the EcoSmart ECO 11 is a reliable and efficient option for anyone looking for an electric tankless water heater for their RV. It offers great performance, energy efficiency, and ease of installation, making it a worthwhile investment for any RV owner.

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