The Ultimate Guide to RV Tankless Water Heaters: Everything You Need to Know
In recent years, RV tankless water heaters have become a popular choice among RV enthusiasts, providing the luxury of hot water on demand without the limitations of traditional water heaters. This guide will explore everything you need to know about RV tankless water heaters, including their benefits, how they work, and the best options available on the market. Whether you’re a full-time RVer or a weekend camper, understanding these heaters can enhance your experience significantly.
Comparison of RV Water Heater Types
| Feature | Tankless Water Heater | Traditional Water Heater |
|---|---|---|
| Water Availability | Unlimited hot water on demand | Limited by tank capacity |
| Weight | Lighter, as there’s no tank | Heavier due to the water storage tank |
| Installation Space | Compact, more flexible installation options | Requires dedicated space for the tank |
| Energy Efficiency | Generally more efficient, reducing energy waste | Less efficient due to standby heat loss |
| Initial Cost | Higher initial investment | Lower initial cost |
| Maintenance | Requires specific maintenance knowledge | Easier to maintain for most users |
What is an RV Tankless Water Heater?
An RV tankless water heater, also known as an on-demand water heater, heats water directly without the use of a storage tank. This means that water is heated instantaneously as it flows through the unit, providing an endless supply of hot water. This technology is particularly beneficial for RVers who often need hot water for showers, dishwashing, and other uses while on the road.
Advantages of RV Tankless Water Heaters
Endless Hot Water Supply
One of the primary benefits of tankless water heaters is the ability to provide an endless supply of hot water. This feature is particularly valuable for families or groups who may need to use hot water simultaneously, ensuring everyone can enjoy a warm shower after a long day of outdoor activities.
Energy Efficiency
RV tankless water heaters are generally more energy-efficient than traditional models. They only heat water as it is needed, reducing energy waste associated with keeping a tank of water hot continuously. This efficiency can result in significant savings on propane or electricity over time.
Space-Saving Design
For RV owners, space is at a premium. Tankless water heaters are typically more compact than traditional water heaters, allowing for more flexible installation options and freeing up valuable storage space.
Lightweight
Without the heavy storage tank, tankless models are often lighter, making them a preferred choice for those looking to minimize the overall weight of their RV.
Disadvantages of RV Tankless Water Heaters
Higher Initial Cost
While tankless water heaters offer numerous advantages, they typically come with a higher upfront cost compared to traditional models. This investment may not be suitable for all RVers, particularly those who use their RVs infrequently.
Installation Complexity
Installing a tankless water heater can be more complex than a traditional unit, requiring additional plumbing and, in some cases, electrical work. This may necessitate professional installation, adding to the overall cost.
Flow Rate Limitations
While tankless water heaters provide endless hot water, their flow rate can be limited. If multiple outlets are used simultaneously (e.g., shower and kitchen sink), the heater may struggle to maintain the desired temperature.
How to Choose the Right RV Tankless Water Heater
Consider Your Hot Water Needs
Before selecting a tankless water heater, assess your family’s hot water usage patterns. Consider how many people will be using hot water at the same time and adjust your choice based on your needs.
Fuel Type
RV tankless water heaters typically run on propane or electricity. Propane models may heat water faster, while electric models can be more efficient depending on your power source. Decide which fuel type best suits your RV setup and travel plans.
Flow Rate
Evaluate the flow rate of the heater. This measurement indicates how many gallons of hot water the heater can provide per minute. Choose a model with a flow rate that meets your family’s needs.
Brand Reputation and Reviews
Research different brands and read reviews from other RVers. Websites like www.thervgeeks.com and rvingbeginner.com often provide insights and comparisons of various models, helping you make an informed decision.
Top RV Tankless Water Heaters of 2025
1. Camplux 5L Portable Tankless Water Heater
- Fuel Type: Propane
- Flow Rate: 1.32 GPM
- Weight: 11 lbs
- Features: Portable, easy to install, ideal for camping
2. Eccotemp L5 Portable Tankless Water Heater
- Fuel Type: Propane
- Flow Rate: 1.5 GPM
- Weight: 20 lbs
- Features: Lightweight, built-in showerhead, adjustable temperature
3. Rinnai V65iN Natural Gas Tankless Water Heater
- Fuel Type: Natural Gas
- Flow Rate: Up to 6.6 GPM
- Weight: 45 lbs
- Features: Energy-efficient, compact design, Wi-Fi enabled
Technical Feature Comparison of Top RV Tankless Water Heaters
| Model | Fuel Type | Flow Rate (GPM) | Weight (lbs) | Energy Source |
|---|---|---|---|---|
| Camplux 5L | Propane | 1.32 | 11 | Propane |
| Eccotemp L5 | Propane | 1.5 | 20 | Propane |
| Rinnai V65iN | Natural Gas | Up to 6.6 | 45 | Natural Gas |
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Conclusion
RV tankless water heaters offer a modern solution for RV owners seeking endless hot water, energy efficiency, and space-saving designs. While they come with higher initial costs and potential installation challenges, the advantages often outweigh the drawbacks for many campers. By considering your hot water needs, fuel options, and flow rates, you can choose the perfect tankless water heater to enhance your RVing experience.
FAQ
What is an RV tankless water heater?
An RV tankless water heater heats water on demand without storing it in a tank, providing an endless supply of hot water.
Are tankless water heaters worth the investment?
For frequent RV users, the benefits of endless hot water and energy efficiency often justify the higher initial cost.
What type of fuel do RV tankless water heaters use?
They typically use propane or electricity, with some models designed for natural gas.
How do I determine the right flow rate for my needs?
Consider how many outlets you will use simultaneously and choose a model with a flow rate that can accommodate that demand.
Can I install an RV tankless water heater myself?
While some RVers can install these units themselves, professional installation may be required due to complexity.
Are there maintenance requirements for tankless water heaters?
Yes, they require periodic maintenance, including descaling to prevent mineral buildup, especially in hard water areas.
How long does an RV tankless water heater last?
Typically, a well-maintained tankless water heater can last over 20 years, compared to 10-15 years for traditional units.
Can tankless water heaters be used in cold climates?
Many models are designed to function in cold climates, but it’s essential to check the specifications for freeze protection.
What brands are recommended for RV tankless water heaters?
Popular brands include Camplux, Eccotemp, and Rinnai, known for their reliability and efficiency.
Do tankless water heaters require a special venting system?
Yes, some models may require venting, especially gas-powered units. Always check the installation guidelines for your specific model.