Top 7 RV Tankless Water Heaters: The Ultimate Power-Packed Guide!

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Hey there! Are you tired of running out of hot water while on the road in your RV? Well, look no further because I've got you covered! In this ultimate power-packed guide, I'll be sharing the top 7 RV tankless water heaters that will revolutionize your camping experience. Say goodbye to cold showers and hello to endless hot water. Let's dive right in, shall we?

1
Brand Tankless Electric Water Heater 4500W
8.1
2
FVSTR Electric Water Heater - Smart RV, 3.0-Gallon, 120V
Overall Impression: Satisfactory
BUY NOW Amazon.com
7.5
3
Electric Tankless Water Heater - 5500W 110V
7.1
6
Camplux Electric Tankless Water Heater TE04
Final Thoughts: Reliable with limitations
BUY NOW Amazon.com
6.4
1

Brand Tankless Electric Water Heater 4500W

 in stock
Amazon.com
8.1
Overall
The Tankless Electric Hot Water Heater Set 4500W 110V provides instant hot water with adjustable temperature control and overheating protection, making it a safe and convenient option. However, its high wattage may limit its suitability for certain locations, and there is a potential risk of internal leakage.
Efficient and Reliable
  • Instant hot water
  • LED screen display for easy temperature control
  • Overheating protection for added safety
Cons: Limited Temperature Control
  • High wattage may not be suitable for all locations
  • Possible risk of internal leakage

This Tankless Electric Hot Water Heater Set is perfect for anyone looking for an instant and on-demand source of hot water. With a sleek LED screen display and a compact design, it's suitable for use in the bathroom, bathtub, RV, whole house, shower, or even the sink. The main parameters, such as voltage, power, and water pressure, are all carefully designed to ensure efficiency and safety. Plus, with constant temperature control, you can easily adjust the water flow to your desired temperature. However, please note that some customers have experienced issues with wattage and leaking, so be sure to double-check compatibility before purchasing.

Hot water on demand
  • Rated Voltage: AC 110V / 50 HZ
  • Rated Power: 4500W
  • Rated Current: 29.5A
  • Waterproof Level: IPX4
  • Temperature: 30-55℃(water flow adjustable)
  • Maximum temperature: 55 ° C
2

FVSTR Electric Water Heater – Smart RV, 3.0-Gallon, 120V

$109.00  in stock
Amazon.com
as of June 15, 2024 11:02 am
7.3
Overall Impression: Satisfactory
The FVSTR Electric Water Heater is a lightweight and compact option for small spaces, with a 2.5-gallon capacity tank. It heats water quickly, is easy to install and maintain, but there may be a loss of pressure on the hot side of the sink and variations in temperature when using larger quantities of water.
Efficient and Convenient
  • Heats water quickly
  • Temperature can be adjusted to desired level
  • Easy to install and maintain
Drawbacks
  • Drawbacks:
  • Loss of pressure on the hot side of the sink
  • Variation in temperature when using larger quantities of water

The FVSTR Electric Water Heater is a smart and compact solution for small spaces. With its lightweight and compact design, it can be easily mounted on the floor, shelf, or wall. The 2.5-gallon capacity glass-lined tank stores enough hot water for your needs. It is well-built and functions as advertised, providing fast heating. However, there may be some variation in temperature, but it quickly recovers. It is perfect for washing dishes, but some reviewers have experienced a loss of pressure on the hot side of the sink. Overall, this electric water heater is a reliable and convenient option for eliminating the wait for hot water.

Efficient and Convenient Features
  • Lightweight and compact design
  • Floor, shelf, or wall mountable
  • 2.5 gallons capacity tank
  • Glass-lined tank
  • Suitable for small spaces
  • Easy to install and use
3

Electric Tankless Water Heater – 5500W 110V

$85.99  in stock
Amazon.com
as of June 15, 2024 11:02 am
7.1
The Tankless Water Heater Electric 5500W 110V is a versatile and efficient product suitable for both RV and home kitchen use. With its fast shipping and easy installation, it is a convenient choice that comes with a remote control and digital display.

This Tankless Water Heater Electric is a convenient and efficient solution for instant hot water in your home kitchen or RV. With a power output of 5500W and a voltage of 110V, it provides constant temperature hot water quickly and easily. The remote control and digital display make it user-friendly, allowing you to adjust the water temperature within the range of 30-55℃. The white color adds a sleek and modern touch to any space. Please note that this water heater cannot be used with a socket and requires a 6mm² copper wire for installation. Its compact design and easy installation make it a great choice for any household or RV.

Efficient and Powerful Water Heating
  • Tankless design
  • 5500W power
  • Remote control
  • Digital display
  • Suitable for RV use
  • Can be used in home kitchens indoor
4

Electric Hot Water Heater, 110V – Kitchen Household, 8L, 1500W

$106.99
Amazon.com
as of June 15, 2024 11:02 am
6.9
Overall
The Hot Tankless Water Heater is a convenient and versatile option for providing instant hot water in your kitchen. With adjustable temperature settings and multiple installation options, it offers flexibility and convenience. However, some users have reported lukewarm water instead of hot water on demand and a lack of dials to easily adjust heat settings.
Efficient and Convenient
  • Adjustable temperature between 55℃-75℃
  • Instant hot water
  • Multiple installation options
Drawbacks
  • Lukewarm water instead of hot water on demand
  • Lack of dials to adjust heat settings

This Hot Tankless Water Heater is a convenient and efficient addition to your kitchen. With its adjustable temperature settings ranging from 55℃ to 75℃, you can easily find the perfect temperature for your hot water needs. The sleek design and compact size make it a great fit for any space. Although it has not been used yet, it promises to deliver hot water on demand. Some customers have expressed the desire for dials to turn up the heat, but overall, this water heater is a great holiday gift option.

Convenient and Efficient Features
  • Adjustable temperature between 55℃-75℃
  • Automatic power-off when set temperature is achieved
  • Instant hot water
  • Under sink installation
  • 1500w power
  • Multiple installation options
5

Thermoflow Mini Tankless Water Heater

$109.99  in stock
Amazon.com
as of June 15, 2024 11:02 am
6.6
Great Choice!
The Thermoflow Mini Tankless Water Heater is a compact and efficient solution for providing instant hot water in sinks. While it may not make water extremely hot, it offers a comfortable temperature range and is easy to install. Overall, it's a reliable and low-maintenance option for saving time and water.
Convenient and Efficient
  • Provides instant hot water
  • Saves time and water
  • Compact and space-saving design
  • Easy and quick installation
Downsides
  • May not make water hot, but only comfortably warm
  • Requires professional installation

The Thermoflow 110V~120V Mini Tankless Water Heater is a convenient and efficient solution for providing instant hot water at your sink. With no need for preheating, as soon as you turn on the tap, the water flows at your desired temperature ranging from 95 °F to 122 °F. It is exceptionally durable and maintenance-free, ensuring long-lasting performance. This wall-mounted water heater is easy to install, taking only about 10 minutes, and it works great according to the reviews. It provides comfortably warm water, making it perfect for washing hands or general purpose use. If you have a sink far from your main water heater, this mini tankless water heater is a game-changer, saving you time, water waste, and eventually money. The customer service is also prompt, friendly, and generous, making it a great all-around purchase.

Hot water on demand!
  • Endless hot water flow
  • Energy-saving and efficient operation
  • Temperature range from 95 °F to 122 °F
  • Exceptionally durable and low maintenance
$109.99
in stock
as of June 15, 2024 11:02 am
Amazon.com
6

Camplux Electric Tankless Water Heater TE04

 in stock
Amazon.com
6.4
Final Thoughts: Reliable with limitations
The CAMPLUX Tankless Water Heater Electric with LED Display 120V is a compact and easy-to-install unit that works great and has a convenient LED display. However, it may struggle to reach the desired temperature at higher flow rates and there is a possibility of receiving a defective unit.

The CAMPLUX Tankless Water Heater Electric with LED Display 120V Instant Water Heaters Under Sink 3.5kw TE04 is a small and smartly designed water heater perfect for under sink installation. With its smart touch control and LED display, you can easily adjust the temperature to your liking. It requires a minimum water flow of just 0.4 GPM, making it suitable for one sink usage. The compact size allows for multi-angled mounting, and the digital display can even flip 180 degrees for easy reading. It is well-built, easy to install, and provides hot water quickly and efficiently.

Efficient and Compact Design
  • Smart touch control and LED display
  • Compact size
  • Under sink installation
  • Minimum water flow activation (0.4 GPM)
  • Multi-angled mounting
7

Krisy Mini Electric Hot Water Heater

$69.88  in stock
Amazon.com
as of June 15, 2024 11:02 am
3.9
In conclusion
The Krisy Hot Water Heater is a compact and mini-sized device that provides instant hot water for both bathroom and kitchen use. It offers adjustable water temperature and is easy to install with its US plug. However, some users may find that it draws more power than a normal circuit breaker can handle and that the water may not be hot enough for their liking.
Efficient and Compact
  • Instant hot water
  • Compact size
  • Suitable for bathroom and kitchen use
Potential Limitations
  • The product draws more power than a normal circuit breaker can handle
  • The water may not be hot enough for some users

The Krisy Hot Water Heater is a compact and efficient electric water heater that provides instant and sufficient hot water for your bathroom, kitchen, or washing needs. With a 3000W heating system, this mini tankless heater can quickly heat water to your desired temperature. The water flow regulating valve or faucet switch allows you to adjust the heating according to your preference. While it may require a dedicated 30a circuit for safe operation, users have reported that it can produce incredibly hot water in a matter of seconds. However, some users have found that the water temperature may not be hot enough for their liking. Overall, this product offers convenience and efficiency for your hot water needs.

Amazing Features of Krisy Mini Hot Water Heater!
  • Instant hot water
  • Adjustable water temperature
  • 3000W heating system
  • Suitable for bathroom and kitchen use
  • Compact and mini size
  • Comes with a US plug
$69.88
in stock
as of June 15, 2024 11:02 am
Amazon.com

Explore Other Options

Choosing the Perfect 110 Volt Tankless Water Heater for Your RV

  • Power and Performance: Check the power rating and performance specifications of the water heater. Ensure that it is designed specifically for 110-volt power supply, as this is the standard power available in most RVs. Look for a water heater that can provide sufficient hot water flow and temperature rise to meet your needs while on the road
  • Size and Installation: Consider the size and installation requirements of the tankless water heater. RVs have limited space, so it's important to choose a compact unit that can fit neatly within the available area. Additionally, look for a model that offers easy installation and doesn't require extensive modifications to your RV's plumbing system
  • Energy Efficiency and Safety Features: Opt for a tankless water heater that is energy-efficient, as it can help minimize power consumption and save you money in the long run. Look for features like automatic shut-off, anti-freezing protection, and overheating protection to ensure the safety of your RV and its occupants

Frequently Asked Questions about the Best 110 Volt Tankless Water Heater for RVs

Is it possible to use a 110-volt tankless water heater in an RV with a 30-amp electrical system?

Yes, it is possible to use a 110-volt tankless water heater in an RV with a 30-amp electrical system. However, it is important to consider the power requirements of the water heater and the limitations of your RV's electrical system.

Explore further:  Top 9 Honeywell Heaters to Keep You Warm!

Most 110-volt tankless water heaters require a higher amperage than what a standard 30-amp RV electrical system can provide. A typical 30-amp system can handle up to 3,600 watts of power, which may not be sufficient for some tankless water heaters.

Before installing a 110-volt tankless water heater, it is recommended to consult the manufacturer's specifications and guidelines to ensure compatibility with your RV's electrical system. You may need to upgrade your RV's electrical system to a higher amperage, such as 50-amp, to accommodate the power requirements of the water heater.

Additionally, it is important to consider the overall power usage of your RV when using a tankless water heater. Running a high-powered appliance like a water heater may place a significant load on your electrical system, potentially causing issues with other appliances or tripping circuit breakers.

To ensure safe and efficient operation, it is always best to consult a professional electrician or RV technician who can assess your specific situation and provide appropriate guidance.

Are there any specific installation requirements for a 110-volt tankless water heater in an RV?

Yes, there are specific installation requirements for a 110-volt tankless water heater in an RV. It is important to follow these guidelines to ensure safe and efficient operation. Here are some key considerations:

  1. Electrical Capacity: Ensure that your RV's electrical system can handle the power requirements of a 110-volt tankless water heater. Check the manufacturer's specifications and consult a professional if needed.
  2. Wiring: The tankless water heater will require appropriate wiring to handle the electrical load. It is recommended to have a dedicated circuit for the water heater and use the correct wire gauge as specified by the manufacturer.
  3. Ventilation: Adequate ventilation is important to remove any combustion byproducts. Make sure there is proper clearance and install venting according to the manufacturer's instructions.
  4. Water Supply: Ensure that the RV's water supply system can provide the required flow rate and pressure for the tankless water heater. Check the manufacturer's specifications for any specific requirements.
  5. Space and Mounting: Consider the physical dimensions and weight of the tankless water heater. Ensure that there is enough space for installation and that it is securely mounted to prevent any movement during travel.
  6. Professional Installation: If you are unsure about any aspect of the installation process, it is recommended to seek professional help from a qualified RV technician or electrician.

Are there any energy-saving features available in certain models of 110-volt tankless water heaters for RVs?

Yes, there are indeed energy-saving features available in certain models of 110-volt tankless water heaters for RVs. These features are designed to optimize energy efficiency and help reduce power consumption. Some common energy-saving features include programmable timers, adjustable temperature settings, and advanced thermal insulation. Additionally, some models may have intelligent sensors that detect water flow and activate the heating element only when needed, further conserving energy. It's always a good idea to check the product specifications or consult with the manufacturer to ensure you select a tankless water heater with the desired energy-saving features for your RV.

What is the average flow rate of hot water provided by a 110-volt tankless water heater for RVs?

The average flow rate of hot water provided by a 110-volt tankless water heater for RVs can vary depending on the specific model and manufacturer. Generally, these types of water heaters can provide hot water at a flow rate ranging from 1.2 to 2.5 gallons per minute. It's important to check the specifications of the particular model you are interested in to determine its specific flow rate.

Steve Donaldson Master HVAC technician
Steve DonaldsonMaster HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

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