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Best Tankless Hot Water Heater For Rv (2024 Updated)

If you’re looking for a way to always have hot water in your RV, a tankless hot water heater might be just what you need. But before making the investment, there are factors to consider.

First, think about the size of your RV and your water usage needs. This will determine the size and power output of the tankless heater that you will need. Additionally, think about the type of fuel you want to use- do you prefer propane or electricity? Keep in mind that propane heaters will require a propane tank, which will take up space in your RV.

Another consideration is the installation process. Some models may require professional installation, while others can be set up by the owner. The cost of professional installation should also be factored into your decision-making process.

Are you tired of running out of hot water mid-shower in your RV? Do you want to save space and energy by removing a bulky water tank? A tankless hot water heater might just be the solution you’ve been looking for. And with a variety of models and fuel options available, there’s sure to be one that fits your needs and budget. Keep reading to discover more about how a tankless hot water heater can improve your RV experience.

10 Best Tankless Hot Water Heater For Rv

# Product Image Product Name Product Notes Check Price
1
This portable propane gas water heater is ideal for outdoor use such as camping, RV trips and barns.
2
This product is ideal for RVers and provides a high-performance, tankless water heater with a remote controller.
3
Ideal for outdoor activities and camping, providing on-the-go hot water for showers, dishwashing, and other portable uses.
4
This product is ideal for providing hot water in RVs or other small living spaces.
5
This product is ideal for RVers and families who want a tankless water heater with optimized summer comfort performance.
6
Ideal for providing hot water in recreational vehicles (RVs) with remote control and easy access door.
7
The product is ideal for providing instant hot water without the need for a bulky water tank.
8
It is ideal for catching water from tankless water heaters and preventing damage to floors or ceilings.
9
Ideal for providing hot water on demand and saving energy in a household or outdoor setting.
10
It is ideal for providing instant hot water in outdoor settings such as RVs, cabins, barns, and camping.
This portable propane gas water heater is ideal for outdoor use such as camping, RV trips and barns.
This product is ideal for RVers and provides a high-performance, tankless water heater with a remote controller.
Ideal for outdoor activities and camping, providing on-the-go hot water for showers, dishwashing, and other portable uses.
This product is ideal for providing hot water in RVs or other small living spaces.
This product is ideal for RVers and families who want a tankless water heater with optimized summer comfort performance.
Ideal for providing hot water in recreational vehicles (RVs) with remote control and easy access door.
The product is ideal for providing instant hot water without the need for a bulky water tank.
It is ideal for catching water from tankless water heaters and preventing damage to floors or ceilings.
Ideal for providing hot water on demand and saving energy in a household or outdoor setting.
It is ideal for providing instant hot water in outdoor settings such as RVs, cabins, barns, and camping.

1. Camp Pro Tankless Water Heater

The CSA safety standard approved portable tankless water heater is designed to ensure family safety with its flame failure device, anti-freezing protection, and over-heating protection features. It automatically decreases water pressure between 3.0-110 PSI and comes with an anti-freezing drain plug that discharges residual water to avoid freezing in cold areas or in case of long time no use. The water heater will shut off automatically when high water temperature protection over 176°F. This tankless water heater is ideal for rural areas, RVs, and boats, and can be widely applied with its magnetic water flow sensor that lights when water pressure is between 3.0-110 PSI. The lightweight and compact design of this propane water heater, weighing only 10lbs, makes it easy to carry with its portable handle. You can hang it using the mounting bracket on the top/back of the gas water heater. It only takes 15 minutes to install, and you can enjoy maximum power output of 28,000btu/hour with instant endless hot water of up to 1.32 gallons as soon as you turn on the tap, with no need to preheat before operating the tankless water heater. Always remember to check for gas leakage before operation and avoid twining Teflon tape between the gas regulator and gas inlet pipe to prevent gas leakage caused by improper sealing of the water heater.

Pros

  • CSA safety standard approved for family safety
  • Anti-freezing protection and over-heating protection
  • Lightweight and compact design for easy portability
  • Instant endless hot water up to 1.32 gallons
  • Equipped with a magnetic water flow sensor for wider application
  • Easy installation in just 15 minutes

Cons

  • – Not suitable for high-demand hot water usage

2. Rv Gen 2 Tankless Water Heater & Controller.

Experience a new level of comfort with the Fogatti RV water heater. The machine is designed to operate smoothly even when driving the caravan to high altitudes, like the Denver plateau at 9800 feet, thanks to its high altitude suitability mode. It uses staged combustion technology to control the flame amount in summer and prevent the water from getting too hot, saving the limited propane gas available for caravan travel. The product has a wide range of applications and can replace Suburban and Atwood's 6-gallon tank water heaters, as well as Girard and Furrion's tankless water heaters. If you have been using a 10-gallon tank water heater, it can be retrofitted with an 18 x 18 door. The Fogatti RV water heater provides a continuous flow of hot water, unlike tank heaters that usually run out of hot water in 5-8 minutes. With 55,000 BTU of power, it can produce a maximum of 2.9 GPM of hot water for over 20 minutes. The RV tankless water heater is propane-powered, so you don't have to worry about running out of power in your caravan. The product has a pressure relief valve built-in, saving you money and trouble. The Fogatti RV water heater is CSA certified, and the product includes built-in forced exhaust fans on top, stable combustion, automatic gas shut-off for accidental flame failure, and anti-freeze protection.

Pros

  • High altitude suitability mode allows the machine to run smoothly even when driving the caravan to high altitudes.
  • Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel.
  • Wide range of applications, can replace Suburban and Atwood's 6-gallon tank water heaters, as well as Girard and Furrion's tankless water heaters.
  • Continuous flow of hot water for over 20 minutes, unlike tank heaters that usually run out of hot water in 5-8 minutes.
  • Propane-powered, so you don't have to worry about running out of power in your caravan.
  • Pressure relief valve built-in, saving you money and trouble.
  • CSA certified with multiple protection features such as automatic gas shut-off for accidental flame failure and anti-freeze protection.

3. Blackpro Water Heater With Pump – Portable & Propane

The Propane Water Heater is perfect for those who enjoy outdoor activities such as camping, horse trailers, and off-grid cabins. With a size of 17.3”*11.8”*5.3” and a net weight of only 12 lb, it is portable and lightweight. It also comes with a 12V 1.2 GPM water pump kit, which allows for an instant hot water shower anytime and anywhere. Additionally, this water heater can be used to wash pets outdoors. The showerhead pedestal can be fixed on the right side of the unit, and a camouflage carrying bag is included for added convenience.

This portable tankless water heater boasts multiple safety features to ensure your protection. The anti-tilt protection automatically shuts off the gas supply if the appliance doesn’t hang vertically or if the flame goes out accidentally. The anti-freezing protection drains the residual water inside the unit to prevent freezing in cold areas or in case of long time idle. The high temperature protection automatically shuts down the unit if the water temperature exceeds 167 °F.

The propane water heater also features a quick connect gas inlet for easy installation. Its compact size and folding handle make it easy to carry, and it can be hung using the portable handle or the mounting bracket on the top/back of the unit. The pure copper heat exchanger is built-in with 99.9% pure copper, resulting in fewer impurities in the output hot water and a more environmentally-friendly production process.

Pros

  • Portable and lightweight design
  • Comes with a 12V 1.2 GPM water pump kit
  • Multiple safety features for added protection
  • Quick connect gas inlet for easy installation
  • Pure copper heat exchanger for healthier and more environmentally-friendly production

Cons

  • – May not be suitable for larger groups or families

4. Furrion 2.4gpm Tankless Rv Gas Water Heater With White 16.14” X 16.14” Door – Fwh09a-1-A

Enjoy hot water on demand with the Furrion RV Gas Water Heater, which boasts a heating power of 60K BTU and a 2.4GPM capacity. Even in cold temperatures as low as 32ºF, this water heater delivers hot water at a consistent temperature. Its Vortex technology ensures steady temperatures by consistently mixing water to your desired temperature.

This water heater is designed with safety in mind, with dual-sensors that automatically shut power off if the temperature exceeds a safe limit. The Furrion RV Gas Water Heater is also built for durability and performance on the road, with Furrion VibrationSmart technology and components designed to withstand intense vibration encountered by uneven terrain.

This water heater is specially designed for retrofit applications and use as a replacement door for Suburban 4/6 Gallon Water Heater models. It fits the required dimension of 16.14 x 16.14 Inches, making it easy to install.

The Furrion RV Gas Water Heater comes with a 2-year Warranty, ensuring that it is designed with the highest quality materials. Product Dimensions (W x H x D) are 12.81 x 12.62 x 20.75 Inches. The box includes 1x Water heater, 1x Wall Controller, and Documentation.

Pros

  • High heating power of 60K BTU and a 2.4GPM capacity
  • Consistent hot water delivery at a steady temperature, even in cold temperatures as low as 32ºF
  • Vortex technology ensures steady temperatures by consistently mixing water to the desired temperature
  • Dual-sensors ensure safety by shutting power off if the temperature exceeds a safe limit
  • Designed with Furrion VibrationSmart technology and components to withstand intense vibration on uneven terrain
  • Easy to install as a replacement door for Suburban 4/6 Gallon Water Heater models
  • Comes with a 2-year Warranty

Cons

  • – May not be suitable for larger RVs with higher hot water demand

5. Gen 2 Rv Tankless Water Heater By Fogatti.

Experience unprecedented comfort while traveling in your caravan with the Fogatti RV water heater. It boasts high altitude suitability mode that ensures smooth operation even at 9800 feet above sea level. The staged combustion technology controls the flame amount in summer, preventing the water from getting too hot and saving propane gas. The water heater is highly compatible and easy to install, with an opening of 13 x 13 inches and a door of 15 x 15 inches. It can replace Suburban and Atwood's 6-gallon tank water heaters, as well as Girard and Furrion's tankless water heaters. If you previously used a 10-gallon tank water heater, it would need to be retrofitted with an 18 x 18 door. With its 42,000 BTU of power, it can produce a maximum of 2.2 GPM of hot water, providing you with incessant hot water for over 20 minutes. With its tankless feature, there is no need to wait for hot water, making it perfect for continuous showering of multiple people. The water heater uses propane for heating, ensuring that you never run out of power during your caravan trip. Save money and trouble with the pressure relief valve built-in, eliminating the need for a separate purchase and installation. The product also comes with a 15 x 15 door and a 2-meter long intelligent remote controller. Safety and reliability are at the forefront of the product's design, with CSA certification and multiple protection features such as a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off for accidental flame failure, and anti-freeze.

Pros

  • High altitude suitability mode for smooth operation at 9800 feet.
  • Staged combustion technology controls flame amount and saves propane gas.
  • Highly compatible and easy to install, replacing various water heater brands.
  • Produces a maximum of 2.2 GPM of hot water, providing incessant hot water for over 20 minutes.
  • Tankless feature ensures no waiting for hot water, perfect for continuous showering of multiple people.
  • Pressure relief valve built-in, saving money and trouble.
  • Comes with a 15 x 15 door and a 2-meter long intelligent remote controller.
  • CSA certified with multiple protection features for safety and reliability.

6. Remote Rv Water Heater By Camplux

The Camplux RV propane water heater is an excellent choice for those who want instant hot water while on the road. With a heating power of 65000 BTU and a capacity of 2.64GPM, this water heater delivers hot water on demand, eliminating the need to waste time waiting for hot water during showers. The appliance is also equipped with an anti-freeze device that automatically heats the water system to 48 degrees Fahrenheit when the outdoor temperature drops below freezing, ensuring that the water heater will not freeze.

This water heater is compatible with retrofit applications as an alternative to Suburban & Atwood 4/6 gallon water heater models, making it easy and convenient to upgrade from traditional, limited capacity tank water heaters. Additionally, the appliance comes equipped with a temperature fluctuation eliminator that eliminates the rising temperature to avoid scalding injuries, ensuring that the bather gets a comfortable bath.

Designed for durability and performance on the road, the Camplux RV propane water heater is built to withstand the strong vibrations of uneven terrain during travel. Installation is easy, and the appliance is an excellent choice for those who want an efficient, reliable, and convenient water heating solution for their RV.

Pros

  • 65000 BTU heating power & 2.64GPM capacity
  • Easy installation
  • Temperature fluctuation eliminate technology
  • Anti-freeze function
  • Built for the road

7. Furrion Lippert 2021123985 – Tankless Gas Water Heater – 9l,white

The tankless water heater boasts a heating capacity of 2.4 gallons per minute or 144 gallons per hour, which ensures a steady and immediate supply of hot water without the need to wait for a tank to fill up. The unit's powerful 60,000 BTU heats up water rapidly and performs efficiently even in low temperatures as low as 34ºF (1ºC). The safety valve feature of the heater protects against excess pressure and heat build-up, allowing pressure to release safely when it reaches 87psi (6bar). This ensures that the unit is safe to use and reduces the likelihood of accidents or damage to the heater.

Pros

  • Provides a steady and instantaneous supply of hot water
  • Efficiently heats water with a powerful 60,000 BTU
  • Able to perform well even in low temperatures
  • Safety valve feature ensures safe usage and reduces likelihood of damage or accidents

8. Camco 11430 Aluminum Tankless Water Heater Drain Pan With Pvc Fitting

The aluminum water heater pan is an excellent choice for gas or electric water heaters. It is durable and will not rust, corrode or crack, ensuring long-lasting protection for your home. This pan is designed to fit most tankless water heaters with a maximum depth of 13 inches and a width of 20-1/2 inches. It is an essential tool to protect finished areas from water damage, keeping your home safe and secure. Measuring 21.72 inches in width, 14.17 inches in height, and 11.62 inches in depth, this pan is lightweight, weighing only 2.3 pounds. It is an excellent investment for anyone who wants to protect their home from water damage and ensure the longevity of their water heater.

The aluminum water heater pan is an essential tool that is easy to install and provides maximum protection for your home. It is made of high-quality materials that are built to last, ensuring that your water heater remains in good condition for years to come. With its lightweight design and durable construction, this pan is an excellent investment for anyone who wants to keep their home safe and secure.

The aluminum water heater pan is a must-have for any homeowner who wants to protect their home from water damage. It is designed to fit most tankless water heaters and is made of high-quality, durable materials that will not rust, corrode or crack. Measuring 21.72 inches in width, 14.17 inches in height, and 11.62 inches in depth, this pan is lightweight and easy to install. It is an excellent investment for anyone who wants to ensure the longevity of their water heater and protect their home from water damage.

Pros

  • Durable and long-lasting protection for gas or electric water heaters
  • Fits most tankless water heaters with a maximum depth of 13 inches and a width of 20-1/2 inches
  • Lightweight design and easy to install
  • Made of high-quality materials that will not rust, corrode, or crack

Cons

  • – May not fit all types of water heaters

9. On-Demand Propane Water Heater For Shower

The Camplux propane tankless water heater is an ideal choice for small homes, cabins, or apartments that require instant hot water. With a high capacity of 2.64 GPM, this on-demand water heater only heats the water when needed, eliminating the need for preheating and reducing energy consumption. The compact design saves space and provides a modern look with a Fahrenheit digital temperature display.

The water heater features a 6-in-1 multiple protection system that includes flame-out protection, anti-freezing protection (manual drainage needed), over-heating protection, and air flow pressure switch protection to ensure safety. The safe electronic ignition system plugs into a standard 120V electrical outlet with a UL-listed cord, making installation easy.

The propane water heater uses a standard 1/2" NPT water fitting and gas inlet, and comes with a 2" horizontal vent pipe for efficient power ventilation. The minimum activation rate is 0.65 GPM, and the maximum input rating is 68,000 BTU. The water connection location and size are at the bottom and 0.5-inch NPT, respectively. A gas regulator (Camplux model KR-106A) and one 5/8" NPT male to 1/2" BSP female gas connector adapter are required to connect the water heater to a propane tank.

Camplux offers exceptional customer service, with 24-hour support through live chat, phone, and online helpdesk. If you have any questions, please call Camplux customer service at (844) 538-7475.

Pros

  • High capacity of 2.64 GPM delivers instant hot water on demand
  • Compact design saves space and provides a modern look
  • 6-in-1 multiple protection system ensures safety
  • Easy installation with a standard 1/2" NPT water fitting and gas inlet
  • Exceptional customer service available 24 hours a day

Cons

  • – Manual drainage is required for anti-freezing protection

10. Propane Heater For Outdoor Adventures: Camplux Tankless

The Camplux portable water heater is a compact and lightweight design that measures 12.8 (L) x 6.1(W) x 21.65(H) inches and weighs only 18 lbs, making it perfect for use in barns, cabins, outdoor instant hot showers, and road trips. This water heater is easy to install and use. Simply connect the inlet and outlet pipes and gas regulator that come with the heater, insert 2 D-cell batteries, and you're ready to go. With a low water pressure start of 3.6 PSI, you can enjoy 2.64 gallons of hot water in just a few minutes.

The Camplux portable water heater is a powerful and energy-efficient unit that has a maximum power output of 68,000btu/hour with 11.5% energy-saving technology. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise. It also comes with multiple protection functions, such as flameout protection, anti-freezing protection, and over-heating protection. With CSA safety test certification, this water heater is a safe and reliable option for your hot water needs.

The Camplux portable water heater is easy to maintain and use. To ensure your safety, it is important to check for gas leaks before use and to avoid twining Teflon tape between the gas regulator and gas inlet pipe to prevent gas leakage. It is also important to ensure proper installation to avoid any gas leakage that may cause a fire. The heater comes with instructions for winter use to avoid damage caused by freezing.

Camplux offers a 1-year warranty on their products (freeze damage is not covered by the warranty) and if you need any assistance, their hotline is available at (844) 538-7475.

Pros

  • Compact and lightweight design
  • Easy to install and use
  • Powerful and energy-efficient unit
  • Multiple protection functions for safety
  • Easy to maintain
  • 1-year warranty

Cons

  • – Not suitable for large households

Best Tankless Hot Water Heater For Rv FAQs

Can a tankless hot water heater save space in an RV?

Yes, a tankless hot water heater can definitely save space in an RV. Unlike traditional water heaters that require a large tank to store hot water, tankless water heaters are much smaller in size and can be mounted on a wall or in a compact space. This means that RV owners can save valuable space in their vehicles by opting for a tankless water heater.

In addition to space-saving benefits, tankless water heaters are also more energy-efficient than traditional water heaters. They only heat water when it is needed, which can result in significant savings on energy bills over time. This is especially important for RV owners who may be limited in their energy resources while on the road.

Overall, a tankless hot water heater is a great option for anyone looking to save space and energy in their RV. It's important to research and choose a model that is compatible with your specific RV setup and usage needs to ensure the best results.

How does a tankless hot water heater work in an RV?

A tankless hot water heater is an excellent addition to an RV, providing an endless supply of hot water without the need for a large water storage tank. The system works by heating the water as it passes through a heat exchanger or a heating coil. When you turn on the hot water tap, the water flows through the heat exchanger, which heats the water to the desired temperature.

One of the primary advantages of a tankless hot water heater is that it only heats the water you need, rather than continually keeping a tank of water hot. This means that you'll save energy and money on your propane or electricity bills.

The tankless hot water heater in an RV can be powered by propane or electricity, depending on the model. Propane models tend to be more popular, as they are more efficient and can still function when you're not connected to an electrical source.

Overall, a tankless hot water heater is an excellent investment for any RV owner looking to enjoy hot water on demand without the hassle of a bulky water storage tank.

Is it cost-effective to install a tankless hot water heater in an RV?

Installing a tankless hot water heater in an RV can be a cost-effective solution in the long run. The initial cost of purchasing and installing a tankless hot water heater may be higher than a traditional tank-type water heater, but it can save you money in the long run. Tankless hot water heaters are more energy efficient as they only heat water when it is needed, unlike traditional tank-type water heaters that keep a large tank of water heated all the time. This means that you will use less energy to heat water, resulting in lower utility bills. Additionally, tankless hot water heaters have a longer lifespan as they don't have a tank that can rust or corrode over time. This means that you won't have to replace your hot water heater as often, saving you money in the long run. Overall, installing a tankless hot water heater in an RV can be a smart investment that will pay off in energy savings and longevity.

What are the installation requirements for a tankless hot water heater in an RV?

The installation requirements for a tankless hot water heater in an RV depend on the type and model of the heater. Generally, tankless hot water heaters require a power source, gas connection or propane tank, and a water supply. The water supply can be connected to the main water line or a separate water tank. It is important to ensure that the hot water heater is compatible with the RV's electrical and plumbing systems. Additionally, it is recommended to have a professional installer or technician install the hot water heater to ensure proper installation and safety. The location of the hot water heater should be in a well-ventilated area and away from any flammable materials. It is also important to follow the manufacturer's instructions for installation and maintenance to ensure the longevity and efficiency of the hot water heater.

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

When it comes to finding the best tankless hot water heater for an RV, there are several factors to consider. One of the most important considerations is the size of the unit. Since space is often limited in an RV, it's essential to choose a heater that is compact and easy to install.

Another critical factor to consider is the heating capacity of the unit. You'll want to choose a heater that can provide enough hot water for your needs without being too large or consuming too much energy. The efficiency of the unit is also an essential factor to consider since you'll be relying on it for hot water while on the road.

Some of the top-rated tankless hot water heaters for RVs include the Eccotemp L10 Portable Tankless Water Heater and the Camplux 5L Outdoor Portable Propane Tankless Water Heater. Both of these heaters are compact, easy to install, and offer excellent heating capacity and efficiency.

Ultimately, the best tankless hot water heater for your RV will depend on your specific needs and preferences. Be sure to do your research and choose a high-quality unit that will provide reliable hot water while on the go.

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