Updated May 7, 2025
Table of Contents
Introduction to Water Heaters for RV
RV water heaters are essential for providing hot water during travels, and they come in various types, including tankless water heaters and traditional tank water heaters. These appliances ensure that you can enjoy long hot showers, wash dishes, and even do laundry while on the road, making your travel experience more comfortable and convenient. A bigger tank is typically preferable for family camping in RVs since the majority of models have six or 10-gallon hot water tanks.
When choosing an RV water heater, consider factors such as energy efficiency, water flow rate, and compatibility with your RVโs electrical and gas systems. Additionally, it’s important to assess the water supply and pressure capabilities of your RV to ensure optimal performance. Modern RVs commonly feature gas + electric water heaters that can run off LP gas or 120-volt electricity, offering flexibility depending on your camping situation.
Tankless RV water heaters offer endless hot water and are a popular choice among RV enthusiasts. These units heat water on demand, eliminating the need for a storage tank and reducing the wait time for hot water. The compact design of tankless water heaters makes them ideal for RVs with limited space, and they are known for their energy efficiency and ability to maintain a consistent water temperature. Additionally, tankless water heaters typically have a longer lifespan than traditional water heaters, making them a durable and cost-effective option.
Proper maintenance of your RV water heater is crucial to ensure it functions efficiently and safely. Regularly check the anode rod to prevent corrosion, and inspect the temperature and pressure relief valve to avoid damage. Winterizing your water heater is also essential if you plan to travel in colder climates, as it helps prevent freezing and potential damage to the unit. Replacing the anode rod every 1-2 years is recommended for optimal maintenance and to extend the lifespan of your water heater.
Types of RV Water Heaters
Gas Water Heaters
Gas water heaters are a popular choice for RVs, as they provide a reliable source of hot water and can be powered by liquid propane. This makes them particularly useful for dry camping or when you don’t have access to electricity. They are known for their rapid heating capabilities, ensuring you have hot showers and water for dishes without a long wait time. Additionally, gas water heaters tend to be the most affordable replacements for RV water heaters, making them a cost-effective option for many RV owners.
Electric Water Heaters
Electric water heaters are another option, and they can be powered by shore power or a generator. These heaters are perfect for those who frequently stay at campsites with electrical hookups. They offer the convenience of using electricity to heat water, which can be more efficient in certain situations. Additionally, electric water heaters often come with adjustable temperature settings, allowing you to customize the water temperature to your desired level. Gas + electric water heaters can run off LP gas or 120-volt electricity, providing even greater flexibility for RV owners.
Tankless Water Heaters
Tankless water heaters are a great choice for RVs, as they provide instant hot water and are energy-efficient. Unlike traditional tank heaters, they heat water on demand, which means you won’t run out of hot water as long as there is a water supply. This feature is particularly beneficial for larger families or groups traveling together. The compact size of tankless units also saves valuable space in your RV, and they are often designed for both indoor and outdoor use, offering flexibility in installation. Furthermore, tankless water heaters are equipped with advanced ignition systems, ensuring reliable performance even in challenging conditions. Notably, tankless water heaters do not require a pilot light, which adds to their convenience and safety.
Choosing the Right RV Water Heater
Assessing Your RV’s Size and Needs
When choosing an RV water heater, consider the size of your RV and the number of people who will be using it. A larger RV or a family with multiple members might require a water heater with a higher capacity or a tankless model that can deliver endless hot water on demand. This ensures that everyone can enjoy long hot showers without running out of hot water. Most RV water heaters have six or ten-gallon hot water tanks, which are suitable for various needs depending on the size of your group.
Types of Water Heaters
Think about the type of water heater you need, such as a gas, electric, or tankless model. Gas water heaters, powered by liquid propane, are great for dry camping and provide rapid heating. Electric models are suitable for campsites with electrical hookups, offering adjustable temperature settings for your desired comfort. Tankless water heaters are ideal for those who want instant hot water and energy efficiency, as they heat water only when needed. The most common type of RV water heater is the gas + electric unit, which offers versatility and convenience for various camping scenarios.
Features and Specifications
Consider the features you want, such as a high-capacity tank or advanced ignition system. Some models come equipped with digital temperature control, allowing you to set the precise water temperature for your needs. An advanced ignition system ensures reliable performance, especially in colder climates or higher altitudes. Many water heater units can be installed in existing water heater openings with minimal modification, making upgrades or replacements more straightforward and cost-effective.
Top RV Water Heaters
Girard Tankless RV Water Heater
- POWERFUL PERFORMANCE โ At 42,000 BTUs, this continuous hot water heater provides optimal performance for RV plumbing. The quiet, brushless motor runs on 12V power that operates at less than three amps for a nearly noiseless operation
The Girard Tankless RV Water Heater is a top choice for RV enthusiasts seeking a reliable and efficient on-demand hot water solution. This tankless water heater is designed to provide instant hot water without the need for a storage tank, making it an ideal option for those who want to maximize space and efficiency in their RV. With its ability to heat water only when needed, the Girard model ensures energy savings and eliminates the wait time for hot water, allowing you to enjoy long hot showers and wash dishes with ease.
One of the standout features of the Girard Tankless RV Water Heater is its advanced microprocessor technology, which monitors the inlet water temperature, flow rate, and outlet water temperature to maintain a consistent and desired temperature. This ensures a comfortable and enjoyable experience every time you use hot water, regardless of the water supply conditions. The unit’s digital control panel allows for easy temperature adjustments, providing you with precise control over your hot water needs.
The Girard Tankless RV Water Heater is designed for both indoor and outdoor use, offering flexibility in installation. Its compact and lightweight design makes it easy to fit into tight spaces, making it an ideal choice for RVs with limited room. Additionally, the unit is equipped with a freeze protection feature, ensuring reliable performance even in colder climates, and its advanced ignition system guarantees consistent operation in various weather conditions.
This tankless water heater is powered by liquid propane, making it perfect for dry camping or when shore power is unavailable. Its high flow rate ensures a steady supply of hot water, even for larger families or groups traveling together. The Girard model also includes safety features such as overheat protection and a built-in diagnostic system, providing peace of mind during use.
Fogatti RV Tankless Water Heater
- ๐๐ข๐ ๐ก-๐๐ฅ๐ญ๐ข๐ญ๐ฎ๐๐ ๐๐๐๐๐ฒ: ๐ ๐ฅ๐๐ฐ๐ฅ๐๐ฌ๐ฌ ๐๐ ๐๐จ๐ญ ๐๐๐ญ๐๐ซ ๐๐๐๐ญ๐๐ซ ๐ญ๐จ ๐,๐๐๐ ๐ ๐ญ! The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9,800 feet. Staged combustion technology, which controls the amount of flame in summer, prevents the water from getting too hot and saves the limited propane gas available for caravan travel
The Fogatti RV Tankless Water Heater is a remarkable choice for RV owners looking for a dependable and efficient hot water solution. This tankless water heater is designed to deliver instant hot water on demand, making it an excellent option for those who enjoy long hot showers or need a quick supply of hot water for washing dishes while on the road. Unlike traditional tank water heaters, the Fogatti model heats water only when needed, ensuring energy efficiency and reducing water waste.
One of the standout features of the Fogatti RV Tankless Water Heater is its advanced digital temperature control system. This allows users to set their desired water temperature with precision, enhancing comfort and convenience during travels. Its compact design makes it an ideal fit for RVs with limited space, and it is engineered for both indoor and outdoor use, providing flexibility in installation.
Fogatti RV Tankless Water Heater is perfect for dry camping or when shore power is unavailable. Its high flow rate ensures a steady supply of hot water, even for larger families or groups traveling together. Additionally, the unit features an advanced ignition system, offering reliable performance in various weather conditions and altitudes.
Suburban Advantage RV Tank Water Heater
- DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 12 Gallon Tank Water Heater is designed for durability, mimicking the longevity of residential tank water heaters, ensuring years of reliable hot water.
The Suburban Advantage RV Tank Water Heater is a reliable and traditional choice for RV owners who prefer a classic tank-style water heater. Known for its durability and robust performance, this model is designed to provide a consistent supply of hot water, making it ideal for those who enjoy long hot showers or need hot water for washing dishes and laundry while traveling.
This water heater operates efficiently on both gas and electric modes, offering flexibility depending on your camping situation. The dual functionality allows users to switch between liquid propane and shore power, ensuring a steady supply of hot water regardless of the availability of electricity. This feature is particularly beneficial for those who frequently alternate between dry camping and staying at campsites with electrical hookups.
One of the standout features of the Suburban Advantage RV Tank Water Heater is its porcelain-lined steel tank, which provides excellent insulation and helps maintain the desired water temperature for extended periods. The anode rod included in the unit is designed to prevent corrosion, significantly extending the lifespan of the water heater and ensuring reliable performance over time.
Additionally, the Suburban Advantage model is equipped with a high recovery rate, meaning it can quickly heat water to the desired temperature, reducing wait times between uses. This is especially advantageous for larger groups or families traveling together, as it ensures that everyone has access to hot water when needed.
Installation of the Suburban Advantage RV Tank Water Heater is straightforward, with clear instructions provided by the manufacturer. Its compact design allows for easy integration into most RV setups, and it is engineered to withstand the rigors of travel, making it a dependable choice for long-term RV adventures.
Camplux First Portable Tankless Water Heater
- Portable & Lightweight- CAMPLUX 5L portable water heater weighs only 10lb with 3-level portable handle, making it easy to carry on,allowing for a convenient set-up outdoors,great for off-grid,road trips,camping trips.
The Camplux First Portable Tankless Water Heater is an excellent choice for RV owners who prioritize convenience and portability. This innovative unit offers instant hot water on demand, making it perfect for those who enjoy outdoor adventures or need a reliable hot water source while traveling. Unlike traditional tank water heaters, the Camplux First model heats water only when needed, ensuring energy efficiency and reducing water waste.
One of the key features of the Camplux First Portable Tankless Water Heater is its lightweight and compact design, which makes it easy to transport and install in various settings. Whether you’re setting up at a campsite or using it for outdoor showers, this unit is designed for maximum flexibility and ease of use. It can be powered by liquid propane, making it ideal for dry camping and situations where shore power is unavailable.
The Camplux First model also boasts an impressive flow rate, ensuring a consistent supply of hot water for showers, washing dishes, or any other needs. Its advanced ignition system guarantees reliable performance, even in challenging weather conditions or at higher altitudes. The unit is equipped with safety features such as flame failure protection and anti-freezing protection, providing peace of mind during use.
EcoSmart ECO 11 Electric Tankless Water Heater
- Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A.Special Features: โEnergy Efficient
The EcoSmart ECO 11 Electric Tankless Water Heater is a remarkable choice for RV owners seeking an efficient and compact solution for their hot water needs. This electric tankless water heater is designed to provide instant hot water on demand, making it perfect for those who enjoy long hot showers or need a quick supply of hot water for washing dishes while on the road. Unlike traditional tank water heaters, the EcoSmart model heats water only when needed, ensuring energy efficiency and reducing water waste.
One of the standout features of the EcoSmart ECO 11 is its advanced self-modulating technology, which adjusts the energy output based on the water flow rate and desired temperature. This ensures optimal performance and energy savings, making it an eco-friendly option for environmentally conscious travelers. The compact design of the EcoSmart ECO 11 allows for easy installation in tight spaces, making it an ideal fit for RVs with limited room.
The EcoSmart ECO 11 Electric Tankless Water Heater is equipped with digital temperature control, allowing users to set their desired water temperature with precision. This enhances comfort and convenience during travels, ensuring that you always have access to hot water at your preferred temperature. Additionally, the unit’s durable construction and robust components ensure long-lasting performance, even in challenging conditions.
Another advantage of the EcoSmart ECO 11 is its compatibility with various electrical systems, making it suitable for use in different camping scenarios. Whether you’re connected to shore power or using a generator, this electric tankless water heater provides a reliable source of hot water, making it a versatile choice for RV enthusiasts.
RV Water Heater Maintenance
Importance of Regular Maintenance
Regular maintenance of your RV water heater is crucial to ensure it functions efficiently and safely. Proper maintenance not only extends the lifespan of your water heater but also enhances its performance, ensuring you have reliable access to hot water whenever needed. Routine checks can help you identify potential issues before they become major problems, saving you time and money in the long run.
Checking the Temperature and Pressure Relief Valve
Check the temperature and pressure relief valve regularly to avoid damage. This valve is an essential safety component that prevents excessive pressure buildup within the water heater. Regular inspections ensure that the valve operates correctly, reducing the risk of leaks or even explosions. Make sure to test the valve periodically by lifting the lever and allowing some water to flow out, ensuring it closes properly afterward.
Inspecting and Replacing the Anode Rod
Inspect the anode rod and replace it as needed to prevent corrosion. The anode rod is a sacrificial component that attracts corrosive elements, protecting the interior of the water heater tank. Over time, the rod will deteriorate and must be replaced to continue safeguarding the tank. Regularly checking and replacing the anode rod can significantly extend the life of your water heater and maintain its efficiency.
Considering Upgrades
Consider upgrading to a newer, more efficient model if your current water heater is old or damaged. Newer models, especially tankless water heaters, offer significant advantages in terms of energy efficiency and performance. They provide on-demand hot water, eliminating the need for a storage tank and reducing energy consumption. Upgrading can also offer advanced features such as digital temperature controls and enhanced safety mechanisms, providing a more convenient and reliable hot water experience during your travels.
Conclusion
Choosing the right RV water heater can be a daunting task, but by considering factors such as energy efficiency, water flow rate, and compatibility, you can find the best model for your needs. Proper maintenance and regular inspections are crucial to ensure your water heater functions efficiently and safely. Consider upgrading to a tankless water heater for endless hot water and energy efficiency. Remember to always follow safety precautions and consult a professional if youโre not sure about installation or maintenance.