Best RV Tankless Water Heater in 2024

Choosing the best RV tankless water heater is essential for ensuring a comfortable and convenient travel experience. With the right model, you can enjoy consistent hot water without the hassle of traditional tank heaters. In this guide, we’ll explore top-rated options, key features, and factors to consider when selecting the perfect tankless water heater for your RV.

Furrion® RV Tankless Water Heater

Upgrade your RV with the Furrion RV Tankless Water Heater, boasting a high heating power of 60K BTU and a 2.4 GPM capacity. This heater delivers hot water on demand, maintaining consistent temperatures even in ambient conditions as low as 32 °F. The Vortex technology ensures steady temperatures by mixing water to your desired level, while dual sensors automatically shut off power if the temperature exceeds safe limits.

Specially designed for retrofit applications, it serves as a replacement door for Suburban 4 and 6-gallon models, fitting perfectly with dimensions of 16.14 by 16.14 inches. Engineered for durability, the Furrion VibrationSmart technology and robust components withstand the intense vibrations of uneven terrain. Covered by a 2-year warranty, this high-quality water heater includes a wall controller and documentation in the box.

Pros:

• Powerful 60KW heating for on-demand hot water
• Steady temperatures with Vortex technology
• Dual sensors ensure safety by preventing overheating
• Durable design with VibrationSmart technology for road resilience
• Compatible retrofit for Suburban 4/6 Gallon Water Heater models
• 2-year warranty for peace of mind

Cons:

• Limited capacity at 2.4 gallons
• The white color may show dirt and wear over time
• A wind-powered source may be dependent on weather conditions

FOGATTI RV Tankless Water Heater

Optimum performance and seamless operation make the Fogatti RV Tankless Water Heater a must-have for your caravan. Connecting to 12-volt DC power and propane, this unit offers instant hot water with a simple mix of cold water. It features a microcomputer-controlled flame for year-round use, ensuring efficiency and a consistent temperature. With protection against dry combustion, overheating, water overpressure, and freezing, it’s perfect for any adventure.

This versatile heater fits standard RV water heater spaces and replaces various models, offering a compact 15 by 15-inch door. Enjoy over 40 minutes of continuous hot water, even at high altitudes up to 9,800 feet. With a built-in pressure relief valve and an intelligent remote controller, this heater is designed for convenience and reliability.

Pros:

• High altitude suitability for smooth operation at 9,800 feet
• A versatile replacement for various RV water heaters
• 42,000 BTU power ensures a continuous supply of hot water
• Staged combustion technology prevents overheating, optimizing propane usage
• CSA-certified with built-in safety features like forced exhaust fan and automatic gas shut-off

Cons:

• Liquid propane power source may require propane availability during travels
• Retrofitting needed for 10-gallon tank water heaters with an 18×18-inch door

PrecisionTemp RV Tankless Water Heater

Elevate your RV experience with the PrecisionTemp Tankless Water Heater. Designed for indoor installation, this compact unit boasts a vented system, ensuring safe and efficient operation in any space. With a 10-gallon capacity, it provides ample hot water for your on-the-go lifestyle.

Powered by both AC and DC, this versatile heater is perfect for off-grid adventures or campground hookups. Weighing just 32 pounds and wall-mounted for convenience, it’s a space-saving solution for any recreational vehicle. Say goodbye to bulky tanks and hello to endless hot showers with PrecisionTemp.

Pros:

• On-demand hot water for ultimate convenience
• Vented design ensures safe and efficient operation
• Compact and lightweight at 32 pounds
• Versatile AC/DC power source for flexibility
• 10-gallon capacity meets daily water needs
• Wall-mounted for space-saving installation
• Indoor installation for all-weather usability

Cons:

• Requires a power source (AC or DC)
• Limited to 10-gallon capacity
• Indoor installation may not suit all preferences

Compact and lightweight at 10 pounds, the Camplux 5L RV Tankless Water Heater offers instant hot water wherever you roam. CSA safety standard approved, it features flame failure and overheating protection, ensuring family safety. With a maximum power output of 28,000 BTU/hour, enjoy 1.32 gallons of endless hot water without the need for preheating. Its portable handle and easy installation make it perfect for RVs, boats, or remote cabins.

Equipped with a magnetic water flow sensor, this tankless water heater operates efficiently even at 3.0 PSI water pressure, making it ideal for rural areas and camping. Say goodbye to freezing with its anti-freezing protection, and rest assured with its automatic shut-off at high water temperatures. Compact yet powerful, the Camplux 5L ensures convenience and comfort on the go.

Pros:

• CSA safety standard approved for enhanced safety features
• Lightweight and portable design with a convenient handle
• Quick and easy 15-minute installation process
• Anti-freezing protection for cold climates
• Instant hot water with a maximum output of 28,000 BTU/hour
• Suitable for a variety of settings, including RVs, boats, and remote cabins

Cons:

• Battery-powered devices may require periodic battery replacement
• Limited to liquid propane as the power source
• Maximum water temperature protection may limit use in certain scenarios
• Suitable for low-pressure areas (3.0-110 PSI), may not be ideal for high-pressure systems

GIRARD Tankless RV Water Heater

Compact and powerful, the GIRARD Tankless RV Water Heater stands tall at 12.5 inches in both width and height, weighing a mere 22 pounds. Boasting 42,000 watts of power, this lightweight unit delivers consistent hot water performance, efficiently utilizing LP gas. Its intelligent design includes a microprocessor that monitors water temperature and flow, ensuring a steady stream without cold spots or scalding. With a digital control panel, users can easily adjust temperatures, switch between Fahrenheit and Celsius, and troubleshoot with error code displays. Professional installation is recommended for optimal operation.

Efficient and eco-friendly, this silicone-made water heater runs quietly on 12V power, consuming minimal energy at less than three amps. It outshines traditional tank heaters, providing continuous hot water while saving on LP gas consumption. Whether you’re on the road or parked, enjoy the luxury of a consistent water temperature from 95 to 124°F, thanks to GIRARD’s innovative engineering. Say goodbye to bulky tanks and hello to uninterrupted hot showers with this compact yet mighty RV water heater.

Pros:

• Compact design with dimensions of 12.5″W x 12.5″H
• Lightweight at 22 pounds
• Powerful 42,000 watts for optimal RV plumbing performance
• Quiet, brushless motor operates on 12V power
• Consistent temperature regulation prevents cold spots and scalding
• Highly efficient, consuming half the LP gas of a six-gallon tank heater
• A digital user control panel for easy temperature adjustments and troubleshooting
• Suitable for indoor installation with 42,000 BTUs of heat output

Cons:

• Professional installation strongly recommended

Buying Guide for the Best RV Tankless Water Heater

Investing in a reliable and efficient tankless water heater for your recreational vehicle (RV) can significantly enhance your camping experience. Unlike traditional tank-style water heaters, tankless units provide on-demand hot water without the need for storing and constantly reheating a large volume of water. This not only saves energy but also frees up valuable space in your RV. With a wide range of options available in the market, choosing the right tankless water heater can be a daunting task. This comprehensive buying guide aims to equip you with the essential information needed to make an informed decision.

Types of RV Tankless Water Heaters

There are two primary types of tankless water heaters suitable for RVs: propane-powered and electric. Propane-powered units are typically more powerful and can provide a higher flow rate of hot water, making them ideal for larger RVs or those with multiple water outlets. Electric tankless water heaters, on the other hand, are more energy-efficient and environmentally friendly, but they may have a lower flow rate and require a substantial electrical supply.

Factors to Consider

BTU/KW Rating

The BTU (British Thermal Unit) or kilowatt (kW) rating indicates the heating capacity of the tankless water heater. A higher rating means the unit can heat water more quickly and maintain a consistent temperature even with higher flow rates. Consider the size of your RV, the number of water outlets, and your typical hot water usage to determine the appropriate BTU/kW rating.

Flow Rate

The flow rate refers to the amount of hot water the tankless water heater can deliver at a given time. This is typically measured in gallons per minute (GPM). If you plan to use multiple water outlets simultaneously or have a larger RV with higher hot water demands, opt for a unit with a higher flow rate.

Energy Efficiency

Energy efficiency is a crucial factor, especially if you plan to use the tankless water heater extensively or rely on limited power sources like solar or generator power. Look for units with high energy efficiency ratings and features like modulating burners or advanced temperature control systems that optimize energy consumption.

Installation Requirements

Consider the installation requirements of the tankless water heater you choose. Propane-powered units may require proper ventilation and clearance from combustible materials, while electric models may necessitate additional electrical wiring and breakers. Ensure that your RV can accommodate the specific installation requirements of the unit you select.

Freeze Protection

If you plan to use your RV in colder climates, it’s essential to choose a tankless water heater with built-in freeze protection. This feature helps prevent damage to the unit and its components during freezing temperatures.

Additional Features

Some tankless water heaters may offer additional features that can enhance your experience, such as digital temperature controls, remote monitoring capabilities, and self-diagnostic systems. These features can provide greater convenience, energy monitoring, and easier maintenance.

Conclusion

Choosing the right RV tankless water heater requires careful consideration of your specific needs, usage patterns, and the features that align with your camping lifestyle. By evaluating factors like BTU/kW rating, flow rate, energy efficiency, installation requirements, and freeze protection, you can ensure a reliable and enjoyable hot water supply during your RV adventures. Remember to prioritize quality, safety, and energy efficiency to maximize the benefits of your investment.

Frequently Asked Question

How does a tankless water heater work in an RV?

Tankless water heaters for RVs operate by heating water on demand as it flows through the unit. When you turn on a hot water tap, sensors activate the heating element, which quickly heats the water before it reaches the faucet. This eliminates the need for a storage tank, saving space and energy.

Are tankless water heaters suitable for all types of RVs?

Yes, tankless water heaters come in various sizes and configurations, making them suitable for most RVs, whether they’re large motorhomes or compact trailers. However, it’s essential to ensure that the heater’s size and capacity match your RV’s water usage requirements.

What are the advantages of using a tankless water heater in an RV?

Tankless water heaters offer several benefits for RV owners. They provide a continuous supply of hot water, eliminating the need to wait for a storage tank to heat up. Additionally, they are more energy-efficient than traditional tank heaters, as they only heat water when needed, reducing energy consumption and saving propane or electricity.

How do I install a tankless water heater in my RV?

Installing a tankless water heater in an RV typically involves replacing the existing water heater unit. It’s essential to follow the manufacturer’s instructions carefully and ensure proper ventilation and connection to water, gas, or electricity sources. Some RVers prefer professional installation to guarantee safety and compliance with warranty requirements.

What are some popular brands and models of tankless water heaters for RVs?

Several reputable brands offer tankless water heaters specifically designed for RV use. Some popular models include the Girard RV Tankless Water Heater, the Eccotemp L10 Portable Tankless Water Heater, and the Atwood On-Demand Water Heater. It’s essential to research each model’s features, size, and compatibility with your RV before making a purchase decision.