110v Electric Tankless Water Heater For Rv – 12 Factors To Check

Electric tankless water heaters are growing in popularity as people learn about the benefits they offer. Tankless water heaters take up very little space and use less energy than traditional tank-style water heaters. They also provide hot water on demand, which means you don’t have to wait for the tank to heat up before you can take a shower or wash dishes.

An electric tankless water heater is a great option for an RV. They are small and lightweight, making them easy to store, and they use very little energy so they won’t drain your battery while you’re on the road. Plus, they provide unlimited hot water so you can take showers and wash dishes anytime you want. Here we discuss the top 7 best 110v electric tankless water heater for RV, all are easy to install, so it’ll be ready to use in no time.

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Top 7 Best 110v Electric Tankless Water Heater For RV [Expert Reviews & Buying Guide 2022]

1. Agust 110 Volt Electric Hot Water Heater

  • Item Weight‎: 8.86 pounds
  • Product Dimensions‎: 168 x 126 x 122.4 inches
  • Color‎: White
  • Material‎: Stainless Steel, Plastic
  • Power Source‎: Battery Powered
  • Voltage‎: 120 Volts
  • Wattage‎: 1500 watts
  • Flow Rate‎: 3 Gallons Per Minute
  • Max Temperature: 167°C
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Durable and long-lasting

The mini water heater features stainless steel construction that never rusts, an anti-leakage plug, and multiple safety protection functions to protect you from scalding, leakage, or injury. The premium plastic shell resists corrosion. It is the ideal water heater for kitchens, bars, hospitals, community centers, and RVs.

Energy-saving inverter

Digital Display, Automatic heat preservation, Mini-tank for 3.0 gallons that fit under your sink to provide hot water when you need it. Thermoelectric efficiency is 98%, maximum temperature 167°C, and the built-in chip automatically heats up to your set temperature.

Convenient to use

Electric water heater with a storage tank, with an easy-to-operate knob temperature control, for easy heating adjustment. Vent valve, Tee pipe, and pipes are included for quick installation without additional expenses or preparation time.

Hot water on demand

No more waiting for hot water at the sink, always have hot water on demand (up to 2 sinks at a time, takes 8-15 minutes to fully heat). This tankless mini-electric water heater is the most efficient and economical solution for heating an individual room or cooking space of an RV, camper, motor home or camper.

Unique design

This unit can be mounted on a shelf, wall, or floor (Water inlet and outlet upward). You will receive a one-year warranty and 24H of customer service support.


2. BISELONG 110V-120V Tankless Water Heater

  • Item Weight‎: ‎9.88 pounds
  • Product Dimensions‎: ‎14.57 x 13.7 x 13.31 inches
  • Color‎: White
  • Material‎: Stainless Steel, Plastic
  • Power Source‎: AC
  • Voltage‎: 120 Volts
  • Wattage: ‎1500 watts
  • Flow Rate‎: 2.5 Gallons Per Minute
  • Max Temperature: 149°C
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Constant supply of warm water

Water flows at your desired temperature as soon as you open the tap. Heat is only applied where and when it is actually needed. The water temperature can be heated to 149°C in 8-15 minutes with bare wire heating systems.

Saves money and space

This compact design can be hung on the wall or mounted on the floor (bracket included). Pre-heating is not necessary, and no electricity or water is wasted. Does not require a thermostat, an electric element, or a boiler. The BISELONG tankless system keeps your taps flowing from morning until night, so you’ll have less waiting time.

Adjustable knob

Simply adjust the temperature with the knob. By turning the knob, you can set the temperature that suits you. Energy efficiency is guaranteed. The BISELONG 110-120V tankless water heater delivers more than 2.5 gallons per minute in the highest 9 points of hot water metering (Rural, European installation configuration). You can always achieve the desired temperature quickly for safety. 

Easy installation

A compact water heater can be installed under the sink and has an attractive design that complements any decor, ideal for small spaces. BISELONG’s tankless system is easy to install and use, especially if combined with a water filter system like the AquaSpitc® WF48C (sold separately). This model has been designed specifically for filtering mineralized drinking water at low pressure so that it flows directly through your home’s cold-water pipes instead of being transferred into boilers which require the use of complex boiling systems and large capital investments.


3. KUJOBUY Tankless Electric Water Heater

  • Item Weight‎: ‎2.44 pounds
  • Product Dimensions‎: ‎9.72 x 8.23 x 4.06 inches
  • Color‎: Gold
  • Material‎: Stainless Steel
  • Power Source‎: ‎Battery Powered
  • Voltage‎: 110 Volts
  • Wattage: ‎1500 watts
  • Flow Rate‎: 2.6 Gallons Per Minute
  • Max Temperature: 126°F
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Thermostatic water heaters

KUJOBUY Tankless Electric Water Heater heats in 3 seconds. As the water passes through the device, it heats immediately, so you can adjust the temperature to suit your needs. This eliminates the need for a true thermostat. It’s a quick, simple method that makes it ideal for homeowners with older properties and limited space.

Safety features

A leakage protection system, IPX4 water resistance design, dry heat protection, electrical and thermal isolation, automatic shutoff in an inactive state, automatic shutoff when the temperature reaches a certain level, etc. makes this 110 volt tankless water heater for rv is a safer choice for you.

Quick and easy to install

You can use it to wash dishes, food, clothes, face, and more in the bathroom or kitchen sink. 1/2 inch standard interface specifically designed to connect to household conventional hose connectors/metal faucet hoses/shower hoses/shower hoses.

In addition, its design creates a space-saving and easy-to-operate facility which enables consumers to save electricity, and cost water heating expenses. This will ensure the stability of your household electric bills, as well as help, reduce your carbon footprint by lowering energy consumption. You can install it in one hour only for home use.

Smart LCD display

With a stainless steel housing and LCD digital display, the temperature is displayed in Celsius °C. The temperature is easily adjusted by adjusting the flow of water, and it is simple to operate. The safety heater uses less energy, and water, and doesn’t emit any exhaust gases. As a result, it is safer and leaves much less of an impact on the environment.


4. Garosa 3KW Mini Electric Tankless

  • Item Weight‎: ‎2.46 pounds
  • Product Dimensions‎: ‎9.5 x 7 x 6.3 inches
  • Color‎: Black
  • Material‎: Stainless Steel, Brass
  • Power Source‎: ‎Battery Powered
  • Voltage‎: 110 Volts
  • Wattage: 3000 watts
  • Flow Rate‎: 2.3 Gallons Per Minute
  • Max Temperature: 126°F
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Simplified operation

You can adjust the temperature of the water by adjusting the water flow, so you can enjoy hot water all weather without waiting. This heater features a stainless-steel housing with thick walls that keeps the water hot while providing insulation. Its design also ensures it will never break or rust, which makes this heater state of the art compared to others on the market. Additionally, for simple installation, the heater is designed in a way that makes it easy to install around all types of sinks.

East to use

An LCD digital temperature display, no pollution, no exhaust gas, and a safe heater. Each product is strictly tested before leaving the factory in order to ensure safety.

In addition, an LCD display, and stainless steel housing provides increased durability which will ensure safety during any type of outdoor weather conditions so that superior performance is guaranteed.

Quality materials are used

Garosa 3 KW Mini Electric Tankless has a stainless steel construction, and a brass connector, and is portable and durable. Also, it can be installed easily anywhere because of its small size. So that users may use this heater not only in homes but also outdoors like outside kitchens and bathrooms. This makes it a convenient tool for regular usage at home, even when traveling to offices or to family farms.


5. Fencia 110V 1500W 8L Electrical Hot Water Heater

  • Item Weight‎: ‎7.95 pounds
  • Product Dimensions‎: 9.4 x 8.3 x 12.2 inches
  • Color‎: White
  • Material‎: Plastic, Metal
  • Power Source‎: ‎Corded Electric
  • Voltage‎: 110 Volts
  • Wattage: 1500 watts
  • Flow Rate‎: 2.8 Gallons Per Minute
  • Max Temperature: 75°C
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Eco-friendly and premium materials

Fencia 110V Electrical Hot Water Heater is made of high-quality plastic and metal and has a classic appearance with a combination of inner quality and durability. 

Durable and long-lasting

It satisfies the need for multiple places of hot water supply, easily resolving issues such as face washing, vegetable washing, and dishwashing. The materials are certified by international standards, and it complies with the environmental requirements for hot water supply.

Application and suitability

This is one of the very small hot water heaters known to have high power. Not only does it satisfy a wide range of environmental preservation, but also caters to indoor mobile household concerns like face washing as an important concern during busy times at home. Additionally, this water heater has sufficient capacity to provide hot water demands of different appliances like washing machines, toaster ovens, and microwaves.

Fencia 110v water heater is also applicable to different water pressure levels in different areas, especially those located on higher floors with low water pressure. This water heater can be used for cleaning hands, washing dishes, and dishwashing. You can install them in the kitchen as well as other areas.

Energy-saving features

The heater has a low power rating and high efficiency. The heater can take advantage of the thermal energy maximally. Depending on the temperature setting, the unit can be adjusted between 55°C and 75°C, and the power will be shut off automatically once the temperature is reached.


6. WUPYI 110V 3000W Electric Water Heater

  • Item Weight‎: ‎3.98 pounds
  • Product Dimensions‎: 16.54 x 11.81 x 10.63 inches
  • Color‎: Gold
  • Material‎: ‎Stainless Steel
  • Power Source‎: ‎‎Battery Powered
  • Voltage‎: 110 Volts
  • Wattage: 3000 watts
  • Flow Rate‎: 3 Gallons Per Minute
  • Max Temperature: 126°F
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Protects against leaks

WUPYI 110V 3000W Electric Water Heater is a safe and intelligent device, no water flow stops heating 0.1-second auto-turn-off when a leak is detected.

Moreover, it is a high-quality device, it has advantageous features such as a built-in electric heating sensor (galvanic leak detector), and a built-in telescopic tube that stops leakage(water hammer sink saved).

Instant hot water

The hot water is instantly heated, so you can use it as you like as soon as it passes through the unit. Moreover, the hot water heater can have different temperature settings, and the low-temp setting will save energy. Further innovation insulated design of power isolator and automatic moving terminal which can ensure long life with stable performance all through the whole operation without any trouble.

Safety features with easy installation

Protective features include leakage protection, IPX4 waterproofing, dry heating protection, water-electricity isolation, and automatic power down in an inactive state. Additionally, this 110v electric tankless water heater for RV fits universal water pipes up to 2 inches in diameter (inflow or outflow). With this system, dishes, food, clothes, faces, and much more can be washed under the sink.


7. Stiebel Eltron 220816 Mini 3 Tankless Water Heater

  • Item Weight‎: ‎‎3.44 pounds
  • Product Dimensions‎: 6.5 x 3.75 x 7.5 inches
  • Color‎: White
  • Material‎: ‎Stainless Steel
  • Power Source‎: ‎‎Battery Powered
  • Voltage‎: 110 Volts
  • Wattage: 3000 watts
  • Flow Rate‎: 0.21 Gallons Per Minute
  • Max Temperature: 75°C
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Provides hot water instantly

The Stiebel Eltron Mini tankless water heater is designed to be installed at the point of use. Stiebel Mini tankless water heaters heat water as it passes through them instantly. There are no standby heat losses. A flow switch controls the heating elements. Moreover, all Mini water heaters have a safety limit with manual reset.

Ideal for one handwashing sink

The mini 110 volt tankless water heater for rv is designed to be installed at a single hand-washing sink as a point-of-use device. In the right size, they are ideal for delivering warm water for handwashing.

Various installation facilities

This unique tankless water heater is designed with maximum flexibility in mind. Mini tankless water heaters can only be hard-wired during installation. Pre-wired pigtails simplify the installation process. Due to its design, the water connections can be mounted either up or down. There are several ways to install this.

Well-known brand

Stiebel Eltron offers exceptional reliability since it is made in the USA factory. The company has been providing engineering & manufacturing excellence since 1924 (Germany).


Buying guide for a 110v electric tankless water heater for RV

When purchasing a 110v tankless heater for an RV, it is important to keep the following in mind:

1. Calculate your needs

Before making a purchase, it’s important to calculate how much water you will use each day and in what temperature range. This will help you determine which type of water heater is best for you.

2. Consider the size of your home

110v tankless water heater for rv come in a variety of sizes. Make sure you choose a unit that will fit in your RV’s space comfortably. Units that are too large or too small may not be ideal for your needs. If you have a large home, for example, it might be better to invest in a larger water heater that can accommodate more people and appliances at one time.

3. Be aware of weather conditions

Make sure to research the weather conditions in your area before purchasing a tankless heater. Heaters are not designed to work in extreme weather conditions, such as high winds or heavy rain.

4. Design

Make sure the heater has been designed specifically for RVs and has features like a water drain system and weatherproofing that will protect it from the elements.

5. Fuel type

Tankless heaters use electricity to generate heat, so you’ll need to make sure the unit you choose uses the right fuel type. Some units use propane or gas, while others use heating oil or natural gas.

6. Water flow rate

When looking to buy a tankless heater for your RV, make sure to consider the water flow rate. This is important because it will determine how quickly the heater can heat up the water. Water flow rate is typically measured in gallons per minute (gpm). The higher the water flow rate, the faster the heater can heat up the water.

7. Installation

Most tankless heaters can be installed relatively easily by yourself – although some may require professional installation. Make sure it adjusts to your preference.

8. Temperature adjustability

You’ll want a tankless heater that allows you to adjust the temperature to suit your needs. This is especially important if you have a wide range of temperatures in your RV.

9. Choose an eco-friendly model

Some of the most environmentally friendly tankless heaters available are those that use solar energy or wind power. Both of these sources of energy are free from polluting emissions, making them a great choice for those looking to go green.

10. Consider factors such as price and reviews

Make sure to find a good value for your money by comparing prices and read reviews before making a purchase. You should also factor in the cost of installation when choosing a tankless heater for your RV.

11. Look for a model with a long lifespan

It’s important to remember that tankless heaters can be quite fragile. Look for models that have a lifespan of up to 10 years or more, in order to avoid having any costly repairs or replacements down the line.

12. Safety Features

When you’re shopping for an RV tankless heater, it’s important to know what safety features to look for. Here are some tips to help you find a heater that meets your needs:

  • Look for a heater that has a thermal overload protection system. This system will shut down the unit if it becomes too hot, preventing damage to the unit or injury to anyone in the vicinity.
  • Choose a heater with a safety cutoff switch. This will allow you to stop the unit from turning on if there is a risk of fire.
  • Consider a heater with an automatic shut-off feature. This will help ensure that the unit will shutdown if it becomes too hot, preventing damage from continuing unabated.
  • Make sure the heater has an interlock safety system. This system will disable the unit if the gas supply is disconnected without proper authorization.

Hopefully, these tips will help you make an informed decision about whether or not a tankless water heater is right for you!

What is a tankless water heater and how does it work?

Tankless water heaters, as the name suggests, don’t have a tank. This system heats the water as it flows through the tubes, eliminating the need for any storage tanks. This means they take up much less space and can be mounted on a wall. They also provide an endless supply of hot water because they heat water on demand as it passes through the unit. Tankless water heaters are more energy-efficient than traditional tank-style water heaters and can save you money on your utility bills.

What are the Pros and Cons of an electric tankless water heater?

Tankless water heaters, also known as demand-type or instantaneous water heaters, provide hot water only as it is needed. They have both pros and cons, so let’s take a look at the top pros of electric tankless water heaters.

  1. The number one pros of 110v tankless water heater for rv is that they are more energy-efficient than traditional tank-style water heaters. This means you will save money on your utility bills.
  2. Another pro is that they take up less space than traditional water heaters. This makes them a good option for small homes or apartments.
  3. Tankless water heaters can be installed with a simple plumber’s wrench and are compatible with most plumbing systems.
  4. Electric tankless water heaters have no moving parts and do not require servicing, thus they are maintenance-free.
  5. 110 volt tankless water heater for RV are able to be monitored remotely. This allows you to see when the heater is on or off, which can help prevent a breakdown.
  6. They are more reliable than traditional water heaters because they do not require a pilot light or gas.
  7. They are environmentally friendly because they use very little energy and do not require oil or gas to operate.

While electric tankless water heaters are becoming more popular, they do have some disadvantages. Here are the some cons of electric tankless water heaters:

  1. They can be expensive to install – depending on the model, you may need to hire a professional to install your tankless water heater.
  2. They require a lot of power – if you have an older home / rv with limited electrical capacity, you might not be able to accommodate a tankless water heater.
  3. They can be loud sometimes, and the noise of a tankless water heater can be bothersome. In addition, it may be hard to find a place where you can install your tankless water heater.
  4. They can take a long time to heat up depending on the model, your tankless water heater may take a while to heat up. In addition, if you are away from home for a long period of time, it might be difficult to keep your tankless water heater heated.

Can I install an electric tankless water heater myself?

Yes, you can install an electric tankless water heater yourself. The process is relatively simple and can be completed in a few hours. Here are the steps that you need to take:

  1. Remove the old water heater – The first step is to remove the old water heater. This can be done by unscrewing the cover and disconnecting the pipes. Make sure to label all of the plumbing so that you know where it goes back together later.
  2. Choose a tankless water heater – Once the old water heater has been removed, it’s time to choose a tankless water heater. There are many different options available on the market, so it’s important to find one that fits your needs and budget.
  3. Install the tankless water heater – Next, install the tankless water heater by following the manufacturer’s instructions. Connect the electrical wires to the water heater according to the manufacturer’s instructions. Be sure to use proper voltage and amperage ratings when connecting wires! Make sure to replace any damaged or defective parts as soon as possible.
  4. Connect the pipes – Once the tankless water heater has been installed, it’s time to connect the pipes. This can be done by following the manufacturer’s instructions or by consulting a professional if you’re not familiar with plumbing work.
  5. Test the water heater – Finally, it’s time to test the water heater and make sure everything is working correctly. Make sure to keep an eye on your heating system and top off any tanks as necessary.
  6. Consult a professional – If you’re unfamiliar with tankless electric water heaters or installation, consult someone who is experienced in the field. This will not only save you time and hassle, but it will also ensure that your water heater is installed in the most efficient way possible.
  7. Be prepared for potential problems – No matter how careful you are during installation, there is always the possibility of problems arising. Make sure to have all the necessary supplies on hand in case something goes wrong, and don’t be afraid to call upon professionals if needed.

Hopefully, these tips will help make the installation of your tankless electric water heater a little bit easier!

Care and maintenance of the 110v tankless heaters for RV

The best way to care for your tankless heaters for RVs is to keep them clean and free of debris. Here are a few tips to help you do just that:

  1. Inspect your heater regularly for damage – Inspect the exterior of your heater for any signs of wear, damage, or abnormal emissions. If you notice any problems, contact an authorized dealer or professional to have it checked and repaired.
  2. Check the filters – Once a month, remove the filters and clean them with a damp cloth. Replace them when they start to show signs of wear or when the air coming out of the unit smells bad.
  3. Check for blockages – If debris or water is getting into the unit, check for blockages near the inlet and outlet pipes. If you find any blockages, use a plunger to clear them and follow up with the best RV central vacuum system.
  4. Test the unit – Twice a year, turn on the heater and check to see if it works properly. If it doesn’t, test the circuit breaker before calling an electrician.

Electric hot water heater vs tankless propane heater

Electric hot water heaters are typically cheaper to operate than tankless propane heaters, but tankless propane heaters can be more efficient and save you money in the long run. Both types of heaters have their pros and cons, so it’s important to choose one that will work best for your needs. Here are some key factors to consider when choosing an electric or tankless hot water heater:

  • Installation – If you’re planning on installing your own hot water heater, be sure to factor in the cost of installation and equipment. Electric hot water heaters are typically easier to install than tankless propane heaters, but both systems have their own set of installation challenges.
  • Energy consumption – One of the major factors that determine the cost of operating a hot water heater is its energy consumption. Propane water heaters tend to be more expensive to operate than electric heaters.
  • Maintenance – Both electric and tankless hot water heaters require regular maintenance in order to keep them running smoothly. This includes checking fluid levels, replacing filters, and other routine maintenance tasks.
  • Warranty – Every heater has a different warranty duration and exclusions, so it’s important to read the fine print before making a purchase.

Final verdict

In conclusion, the 110v electric tankless water heater for RV is a great option for RV owners. It is small, easy to use, and efficient. It is a great choice for people who are looking for an affordable and practical option for their RV.

Plus, electric tankless heaters are relatively cost-effective compared to conventional propane tanks of similar size. Hopefully, this post gave you some insight into how these units work, so take it with you when out shopping!

More suggestions can be found in our unbiased buying guide with top-notch reviews of the best electric tankless water heater for RV.

110v electric tankless water heater for RV (FAQs)

Can you put a tankless water heater in an RV?

Yes, a tankless water heater can be easily installed in an RV. There are a few things to keep in mind, though: the unit should be sized appropriately for the space available, and it should be properly wired for installation. Additionally, the water heater should be placed as high as possible in the RV in order to minimize flooding.

Can I be able to install a tankless heater below an RV sink?

There is no definitive answer to this question, as the installation and use of tankless water heaters varies depending on the make and model of your RV. However, in general, it is possible to install a tankless heater below an RV sink, assuming that the dimensions of the heater and the distance between it and the sink comply with the manufacturer’s specifications. Also, make sure that your RV has enough ventilation to allow the exhaust from the tankless heater to escape.

When do I need a 110v tankless heaters for RV use?

A tankless water heater is a great option for RVs as they are portable and do not require an external power supply. They can be used anywhere there is access to a water source, and they are also very energy efficient, so you will save on your utility bills.

If you are traveling in an RV and your home is not hooked up to municipal water, then a tankless water heater would be a great option for you. They are also great for people who live in areas where the water is scarce or expensive.

Is a 110-Volt tankless water heater worth buying?

Yes, a 110-Volt tankless water heater is definitely worth buying! Not only are they energy-efficient and reliable, but they also come in a variety of styles and sizes to fit any budget. Plus, they’re easy to install – so don’t wait any longer, pick one up today and start enjoying the benefits of tankless water heating!

Do I need to use a special filter with an electric tankless water heater?

There isn’t a specific filter that you need to use with an electric tankless water heater, but it is always a good idea to keep your water heater and filter in good condition. A dirty filter can reduce the efficiency of your water heater, and can even cause it to break down. So, make sure to keep your filter clean and replace it when it starts to get worn down.

Does the 110v electric tankless water heater work in other countries besides the US?

The 110v electric tankless water heater does work in other countries besides the United States. You’ll just need to make sure that it is compatible with the voltage and plug types of the country you’re visiting. Additionally, you’ll need to make sure that the heater has a GFCI receptacle and a water-shutoff valve.

How much will this electric tankless water heater cost me?

This is a difficult question to answer, as the price of electric tankless water heaters can vary drastically depending on factors such as the brand, the type of water heater, and the location. That being said, here are some ballpark costs for a typical electric tankless water heater:

1. Installation: $200-$600
2. Running Costs: $40-$60 per month (based on 10,000 gallons used)

How many amps for electric tankless water heater?

The number of amps required will vary depending on the make and model of electric tankless water heater that you purchase. However, generally speaking, electric tankless water heaters require between 12 and 32 amps of electricity to operate.

How much electricity does tankless water heater use?

A tankless water heater operates using a smaller tank that holds the water and uses a heat exchanger to heat the water before it is sent to your faucet. This type of water heater typically uses half the amount of electricity as a traditional tank water heater.

It works by heating water as it is needed, rather than storing it in a tank. This means that a tankless water heater uses less energy when it is not needed, such as during the night when you are asleep.

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