8 Best RV Tankless Water Heater Reviews 2021: Top Picks & FAQs

Wondering which might be the best RV tankless water heater in 2021? RV tankless water heaters are mainly categorized into gas and electric water heaters. These are performance-centric tools that are useful for outdoor usage. Most of these devices are dependent on liquid propane for an uninterrupted power supply.

In addition to this, the minimum power loss and versatility of these tools in off-grid areas make them an ideal choice for most consumers. Modern tankless water heaters also display rust and corrosion resistance properties and feature unlimited water heating capacity. Therefore, they are suitable for large families.

This article takes into account the 8 best RV tankless water heaters based on their portability, water heating capacity, and cost-effectiveness.

8 Best RV Tankless Water Heaters

EcoSmart Electric Tankless Water Heater Check Price
Rinnai V65IP Tankless Water Heater Check Price
Camplux Outdoor Portable Propane Gas Tankless Water Heater Check Price
Stiebel Eltron Point-of-Use Tankless Electric Water Heater Check Price
Eccotemp Liquid Propane Gas Tankless Water Heaters Check Price
Marey Propane Gas Tankless Water Heater Check Price
Rinnai Indoor Natural Gas Tankless Water Heater Check Price

#1. EcoSmart Electric Tankless Water Heater

EcoSmart ECO 11 is one of the best electric tankless water heaters for RV owners. This model of EcoSmart heaters is known for its unrivalled efficiency and exceptional features integrated into the unit. Therefore, it performs well than most of its counterparts. The advanced construction and progressive heating technology used in the device provides additional benefits.

The small and lightweight design of the product, coupled with wall mounting abilities, make it suitable for a variety of applications. This characteristic also ensures that equipment is portable and does not take up too much space. Apart from this, the energy efficiency of this technological unit adds five stars to its performance and makes it environment friendly.

The most prominent advantage of the electric water heater is the 60% reduction in water heating costs as compared to conventional heating tools. Thus, this attribute is budget-friendly for the majority of consumers, especially RV owners that have to spend tons of dollars on heating water before use.

The apparatus can run on a minimum amount of available energy without any interruption. Furthermore, the digital temperature control offers incredible control over the temperature settings and allows users to modify the water temperature according to individual requirements. Along with this, the easy installation and cost-effectiveness of the water heater make it an absolute choice for users. Thereby contributing to its high market demand.

All in all, EcoSmart Electric Tankless Water Heater adopts a budget and energy-friendly approach and is suitable for a variety of users. The appliance features digital temperature controls and possesses outstanding features. Moreover, the tool is portable and can be mounted on a wall to save space. Therefore, the water heater is highly recommended for RV owners.

Pros
  • 99.8% Energy friendly
  • 60% cost reduction
  • Portable and versatile
  • Mounted on wall
  • Digital Temperature Control
Cons
  • Water Leakage

#2. Rinnai V65IP Tankless Water Heater

Rinnai V65IP Tankless Water Heater is integrated with highly advanced technology that boosts its abilities and enhances its versatility. The gadget is incorporated with ThermaCirc 360 technology, which is associated with the rapid circulation of hot waters through pipes and taps to the end consumer. Therefore, offering time efficiency without compromising the performance.

In addition to this, similar to its previously mentioned counterpart, this version of the Rinnai Water heater is also energy efficient and requires less power to operate. Another reason for less energy usage is the selective nature of the device. The tool works only when consumers require a supply of hot water, and after the demand is met, the system automatically shuts itself.

Therefore, reducing the amount of power usage and minimizing energy loss. Low carbon dioxide emissions are associated with the low carbon footprint of the tool. Hence, making it an environment-friendly tool. The compact design and stylish outlook of the product make it stand out among its counterparts.

Moreover, the appliance requires a negligible amount of space for installation and is relatively easier to install. Thus, it is suitable for small homes and for use in RV’s, where there is confined space, and large objects can not be placed. Apart from this, the digital display embedded in the system allows proper control over temperature settings, and consumers can regulate the temperature depending on needs.

All things considered, Rinnai V65IP Tankless Water Heater is the best tankless water heater for RV owners. The gadget features ThermaCirc 360 technology, which is time efficient and provides hot water rapidly. Similarly, the low carbon footprint and replaceable components of the device improves its performance and long life, making it surpass the rest of its rivals.
Pros
  • Replaceable components
  • Low carbon footprint
  • Adjustable temperature settings
  • ThermaCirc 360 technology
  • Time efficiency
Cons
  • Issues with exhaust venting

#3. Camplux Outdoor Portable Propane Gas Tankless Water Heater

Camplux Outdoor Portable Propane Gas Tankless Water Heater is extremely portable and lightweight. The inclusion of a folding handle along with the stylish design of the unit makes it popular among consumers. Another advantage of the folding handle is the enhanced portability. Therefore, the product is an ideal option for those looking for performance-centred tools.

Furthermore, the water heater is energy efficient and does not require a huge power source to operate. Hence, making it suitable for RV owners and outdoor usage. The apparatus is a feasible alternative to traditional heaters and can be used in situations where there is a shortage of hot water. In addition to this, the device is durable and compact and is manufactured in a small size.

This allows consumers to store it in a confined space without worrying about damaging the equipment. Along with this, the brass-based regulator integrated with two different knobs improves the performance of the material and provides better control to the user over the heater.

The first knob is associated with the control of heat, while the second one focuses on the flow rate of energy through the system. The adjustment to the heat flow allows users to select the appropriate water temperature.

Besides these features, another significant attribute of the tool is the dependence on propane. The use of propane eliminates the need for an electric source to power the device. Thus, improving its performance is an area where electricity is not readily accessible.

In conclusion, Camplux Outdoor Portable Water Heater is one of the best RV propane tankless water heaters. The device does not solely depend on electricity for operation and can work well in areas with electricity shortages. Moreover, the brass finish on the tool makes it sturdy and durable. Therefore, increasing its suitability for outdoor areas. Energy efficiency and cost-effectiveness are other prominent characteristics of a product.

Pros
  • Portable and Lightweight
  • Remarkable heat flow
  • Suitable for off-grid areas
  • Energy Efficient
  • Dependent on propane
Cons
  • Absence of drainage system

#4. Stiebel Eltron Point-of-Use Tankless Electric Water Heater

Stiebel Eltron Point-of-Use Tankless Electric Water Heater is considered one of the best RV tankless electric water heaters depending on its performance and efficiency. Likewise, the product is versatile and can be placed in confined spaces without much difficulty. Furthermore, the enhanced portability and lightweight nature of the equipment coupled with its availability in a diverse range of sizes are the reason for its popularity among consumers.

The manufacturer claims that the unit is 50% more efficient than conventional heating materials and is perfect for RV owners. In addition to this, an alternative flow switch is also included in the system to prevent failure due to accidental damage and dry fires. Furthermore, this version of the Stiebel Eltron water heater is controlled hydraulically and works in a tranquil environment.

Therefore, it do not disturbs the user by producing loud sounds while working. The appliance possesses the capability of producing 2.5 gallons of water per minute. The temperature of the water can increase up to 130 degrees Fahrenheit. The minimum heating temperature in this regard is 80 degrees Fahrenheit.

In short, Stiebel Eltron is a portable and versatile device. The appliance is relatively 50% efficient than traditional heating tools and has the ability to heat 2.5 gallons of water per minute. The tool also features an alternative flow switch that can be used in emergencies for hot water supply. Therefore, it is suitable for commercial and residential usage.

Pros
  • Quiet working environment
  • Versatility and portability
  • Relatively 50% efficient
  • Alternative flow switch
  • 2.5 gallons of water per minute
Cons
  • Not suitable for shower water

#5. Eccotemp Liquid Propane Gas Tankless Water Heaters

Eccotemp Liquid Propane Gas Tankless Water Heaters utilize liquid propane instead of electricity to operate. The device performs incredibly well when there is low to medium demand for low water. Thus, it is highly recommended for RV owners, vacation cabins, and other small homes.

These water heaters are portable and can be stored in confined space effortlessly. Owning to their increased portability, these units are popular among a wide variety of consumers. Apart from this, one major advantage of the product is its suitability for multiple showers at the same time with the restricted flow.

In addition to this, the advanced digital display embedded in the system is highly efficient. The display screen notifies consumers in case of system malfunctioning as it issues warning in the form of error messages. Furthermore, the water temperature and heat flow can also be accessed through the display panel.

Similarly, the temperature can be easily adjusted using the control panel. The knobs located on top of the control panel enable users to select the appropriate flow of water and gas, respectively. Along with this, the unit is energy-efficient and consumes a negligible amount of power while working.

Moreover, the power losses in the system are reported to be negligible. Hence, the minimum power loss makes it an ultimate choice for those living in areas with continuous electricity shortages. As mentioned earlier, this model of Eccotemp water heater is incorporated with a propane tank, which acts as fuel in the absence of electricity.

The rugged design and quality construction of the tool make it stand out among the rest of its industrial competitors. Another advantage of quality construction is extraordinary durability, which makes it withstand harsh environmental conditions. The product is also less prone to physical damage from falling due to its compact exterior.

In the final analysis, Eccotemp Liquid Propane Gas Tankless Water Heaters are second to none in terms of performance and quality. The tool utilizes propane as fuel and is not dependent on electricity for heating water. Additionally, the digital display and control panel allows consumers to regulate water temperature and gas flow. Hence, making it easier to control the whole system.

Pros
  • Minimum Power loss
  • Durability and compactness
  • Adjustable temperature settings
  • Electricity Independent operation
  • Versatile
Cons
  • Lacks automatic water retainment

#6. Marey Propane Gas Tankless Water Heater

Marey Propane Gas Tankless Water Heater is another outstanding option available for RV owners around the globe. The product is performance-oriented and offers high levels of precision and efficiency. Marey is known for its exceptional construction and remarkable consistency in terms of manufacturing unrivalled tools.

This is evident from the amazing compactness and sturdiness of Marey Tankless Water Heaters. The durable design and enhanced portability of the material make it worthy of outdoor usage and prevent it from external damage. Similar to other devices of its kind, this unit is also small in size and can be installed in a confined space effortlessly.

An additional advantage of the apparatus is its ability to heat unlimited amounts of water. This is attributed to the incredible heating capacity of this model. Besides this, the flow of gas and water can also be regulated with the help of knobs embedded in the system. This allows the users to achieve the desired temperature depending on the individual preferences.

In addition to this, the need for electricity is eliminated in this version of tankless water heaters as they require gas instead of electricity to work properly and efficiently. Thus, producers claim an uninterrupted hot water supply even during the power outage.

The rustproof fabrication of the tool makes it ideal for extreme weather conditions and prevents it from damage even during rainy seasons. Moreover, the 5-year warranty is admired by the majority of consumers and is the reason for the high market demand for the unit.

To conclude, Marey Propane Gas Tankless Water Heater is durable and displays rust and corrosion-resistant properties. Similarly, the product is highly efficient and provides unlimited water heating capacity. Therefore, it is highly recommended for families of 3 to 5 individuals. Furthermore, the 5-year warranty and easy installation are other significant features of the device.
Pros
  • Temperature Regulation
  • Rust and Corrosion proof
  • Unlimited heating capacity
  • Easy installation
  • No electricity requirement
Cons
  • Not suitable for apartments

#7. Rinnai Indoor Natural Gas Tankless Water Heater

Rinnai Indoor Natural Gas Tankless Water Heater

Rinnai Indoor Natural Gas Tankless Water Heater is also comparable to its previously mentioned competitors in terms of quality and performance. The unit operates on the supply of propane or natural gas and does not require electricity supply in any regard. Therefore, it is ideal for off-grid areas and areas with regular episodes of electricity shortage.

The tool has the ability to provide an uninterrupted power supply of around 199000 BTU (British Thermal Units). The most prominent feature of the device is the reduction in emission of harmful nitrogen from the heating device. This is attributed to the advanced technology embedded in the system.

Therefore, making it suitable for indoor usage without any concern regarding damage to consumer’s health. In addition to this, the condensing technology utilized in the product saves a huge amount of energy and contributes to an overall 90% energy efficiency.

All this can be achieved without compromising the performance of the unit and the availability of hot water. Hence, the appliance is perfect for commercial usage. Apart from this, the versatility of the water heater makes it suitable for RV owners as well. Furthermore, the dual venting exhausts present in the system improve the exhausting properties of the tool.

To summarize, Rinnai Indoor Natural Gas Tankless Water Heater is an energy and time-efficient tool designed for indoor usage. The unit is integrated with advanced technology that contributes to nitrogen reduction leading to a safe environment. Along with this, the product does not require electricity to operate and is suitable for usage in off-grid areas.

Pros
  • Dual venting exhaust
  • Energy Efficiency
  • Suitable for off-grid areas
  • Nitrogen reduction system
  • Rapid hot water availability
Cons
  • Expensive

#8. PrecisionTemp Tankless Water Heater

PrecisionTemp Tankless Water Heater is a versatile product that has the capability to perform outstandingly in a wide variety of situations. The device is suitable for small home usage, cabins, and RV owners. Therefore, it saves the consumer the trouble and hassle of using traditional tools to achieve the task.

Renowned for its marvellous performance and enhanced efficiency, the appliance does not lag behind its competitors in any aspect. Along with this, the compact design and quality production of the equipment ensures its long life and sturdiness. The lightweight and portable nature also add to the popularity of the tool.

Besides these attributes, other outstanding features of the RV 550 tankless water heater include easy installation and quick water heating. The model is famous for its fast water heating abilities and has the power of around 55000 BTUs. In addition to this, the flow rate of the appliance is also amazing and is associated with the rapid availability of hot water.

The flow rate of the system is 1.5 gallons per minute. Therefore, the model is highly recommended for those looking for performance and time-efficient heaters for their homes and other usages. Moreover, the energy friendliness and self-adjusting controls are highlights of the tool.

The unit is intelligent and is equipped with advanced technology that can modify its settings according to weather conditions. Noise control and low-noise operation level feature integrated into this remarkable product improve its response and make it suitable for operation at any time of the day.

Altogether, PrecisionTemp Tankless Water Heater is a durable and compact device. The appliance is suitable for a wide variety of conditions and is embedded with automatic controls depending on the weather conditions. Additionally, the quick flow and heating rate coupled with the low noise operation improve the heater’s performance to a great extent.

Pros
  • Low noise operation
  • Self-adjusting technology
  • Quick flow rate
  • Time and Energy efficiency
  • Compact and durable
Cons
  • Issues with temperature settings

Frequently Asked Questions

Are RV tankless water heaters worth it?

RV tankless water heaters are energy-efficient appliances that utilize 50% less propane and prevent loss of energy. In addition to this, these tools have low operating costs and can be stored in confined spaces. Therefore, they are highly recommended for RV users.

Do RV water heaters run on electricity?

There is a diverse range of tankless water heaters available in the market and are categorized into three types. They include propane or gas water heaters, electric water heaters, and combination heaters. The last type involves the combination of both former units.

Can you put a tankless water heater in an RV?

Tankless water heaters are lightweight and smaller in size as compared to other heating tools. Therefore, they require less space for installation and can be used inside an RV without any concern.


Summing Up

There is a diverse range of tankless water heaters available in the market for RV owners. These tankless water heaters are lightweight and portable. Moreover, easy installation and cost-effectiveness also make them an ideal choice for most consumers. Thus, depending on the analysis of the above-mentioned products, it can be concluded that the following products are best among their competitors.

Therefore, they are highly recommended for those looking for energy, time, and performance efficient tools.

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