The Ultimate Guide to RV Tankless Hot Water Heaters: Enjoy Unlimited Hot Water on Your Adventures
Are you tired of dealing with limited hot water during your RV travels? Do you dream of taking long, relaxing showers after a day spent adventuring outdoors? If so, an RV tankless hot water heater might be the perfect solution for you. Unlike traditional water heaters that store water in a tank, tankless water heaters heat water on demand, providing a continuous supply of hot water without the bulk and weight of a tank. In this guide, we will explore the best options available, compare different types, and provide helpful tips for selecting and installing the right unit for your RV.
Comparison Table: Types of RV Tankless Water Heaters
| Type | Fuel Source | Application | Pros | Cons |
|---|---|---|---|---|
| Propane Tankless Heater | Propane Gas | RVs, Campers | Unlimited hot water, energy-efficient | Higher initial cost, installation complexity |
| Electric Tankless Heater | Electricity | RVs with adequate power | Easy installation, no fuel required | Limited hot water depending on power supply |
| Hybrid Models | Propane & Electric | Versatile applications | Flexibility in fuel choice | More expensive than single-source units |
Understanding RV Tankless Water Heaters
RV tankless water heaters provide hot water on demand. By heating water as it flows through the unit, these heaters eliminate the need for bulky storage tanks. This not only saves space and weight but also enhances energy efficiency, as water is heated only when needed.
The Benefits of Going Tankless
- Space-Saving Design: Unlike traditional heaters, tankless models are compact, making them ideal for RVs where space is at a premium.
- Endless Hot Water: Enjoy hot showers without the worry of running out of water, perfect for families or long camping trips.
- Energy Efficiency: Tankless heaters use less energy by only heating water when required, leading to potential savings on fuel costs.
- Longer Lifespan: These units generally last longer than traditional water heaters, providing better value over time.
Potential Drawbacks
- Higher Initial Cost: Tankless models often have a higher upfront price compared to traditional water heaters.
- Installation Complexity: Depending on your RV’s setup, installation can be more complicated and may require professional help.
- Performance Limitations: Some models may struggle to provide sufficient hot water for multiple outlets simultaneously.
Top RV Tankless Water Heaters of 2025
Based on extensive research and user feedback, here are some of the best RV tankless water heaters available today.
1. EcoSmart ECO 11 Electric Tankless Water Heater
- Type: Electric
- Pros: Compact, energy-efficient, digital temperature control.
- Cons: May not support simultaneous usage for multiple outlets.
2. Camplux 5L Portable Propane Tankless Water Heater
- Type: Propane
- Pros: Lightweight, portable, perfect for camping.
- Cons: Requires propane source, limited capacity.
3. Rheem RTE 13 Electric Tankless Water Heater
- Type: Electric
- Pros: Compact design, energy-efficient, suitable for small RVs.
- Cons: May not meet demands for larger families.
4. Girard GSWH-2 Tankless Water Heater
- Type: Propane
- Pros: Continuous hot water, quick recovery rate.
- Cons: Higher price point, requires professional installation.
5. Truma AquaGo S Water Heater
- Type: Propane
- Pros: Advanced technology for consistent temperature, easy to use.
- Cons: Expensive, might require additional components for installation.
Installation Tips for RV Tankless Water Heaters
Installing a tankless water heater requires careful planning and execution. Follow these tips for a successful installation:
- Choose the Right Location: Ensure there is adequate ventilation and access to necessary utilities.
- Assess Power Requirements: Make sure your RV’s electrical system can support the heater’s requirements, especially for electric models.
- Follow Manufacturer Instructions: Always refer to the specific instructions provided by the manufacturer for installation.
- Consider Professional Help: If you are unsure about the installation process, hiring a professional can save you time and potential issues.
Technical Features Comparison Table
| Model | Fuel Type | Dimensions (inches) | Flow Rate (GPM) | Warranty | Price Range |
|---|---|---|---|---|---|
| EcoSmart ECO 11 | Electric | 13 x 8 x 3.5 | 2.5 | Lifetime | $300 – $400 |
| Camplux 5L | Propane | 13.4 x 6.3 x 5.9 | 1.32 | 1 Year | $110 – $150 |
| Rheem RTE 13 | Electric | 14 x 8 x 5 | 3.0 | 5 Years | $300 – $350 |
| Girard GSWH-2 | Propane | 16 x 12 x 5 | 2.5 | 2 Years | $800 – $1000 |
| Truma AquaGo S | Propane | 23 x 14 x 10 | 2.8 | 2 Years | $1200 – $1500 |
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Conclusion
Investing in an RV tankless water heater can significantly enhance your camping experience by providing unlimited hot water on demand. With various options available, from propane to electric models, it’s essential to consider your specific needs, including space, fuel availability, and budget. Whether you’re a weekend warrior or a full-time RVer, a tankless water heater can make your outdoor adventures much more enjoyable.
FAQ
What is an RV tankless water heater?
An RV tankless water heater heats water on demand rather than storing it in a tank, allowing for endless hot water supply and saving space in your RV.
How does a tankless water heater work?
It uses a powerful heating element to heat water as it flows through the unit, providing hot water instantly when a tap is turned on.
Are tankless water heaters more energy-efficient than traditional heaters?
Yes, tankless water heaters are generally more energy-efficient because they heat water only when needed, reducing standby energy losses.
Can I install a tankless water heater myself?
While some may be able to install it themselves, it’s recommended to hire a professional, especially if you’re unsure about electrical or plumbing work.
What are the best brands for RV tankless water heaters?
Some of the top brands include EcoSmart, Camplux, Rheem, Girard, and Truma, known for their reliability and performance.
How much does it cost to install a tankless water heater in an RV?
Installation costs can vary widely based on the model and your RV’s setup, typically ranging from $200 to $800 in addition to the heater’s purchase price.
Do tankless water heaters have a warranty?
Most models come with a warranty ranging from one to lifetime, depending on the manufacturer, providing peace of mind for your investment.
What maintenance is required for tankless water heaters?
Regular maintenance includes descaling to prevent mineral buildup and ensuring proper ventilation for gas models.
Can I use a tankless water heater with solar power?
Yes, solar-powered systems can work with tankless water heaters, but ensure that your solar setup can provide sufficient energy for the heater.
Is it worth switching to a tankless water heater for my RV?
If you often find yourself running out of hot water or want to save space and energy, switching to a tankless water heater can be a worthwhile investment.