Best Electric Tankless Water Heater for Camper [In 2025]

 Owning a camper is an exciting adventure, but ensuring a reliable supply of hot water can be a challenge. Fortunately, electric tankless water heaters offer a convenient and efficient solution for RV enthusiasts. In this comprehensive product review, we’ll explore the top electric tankless water heater options for your camper, helping you make an informed decision.

5 Best Electric Tankless Water Heater for Camper Reviews

RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater

Overview

The RV Tankless Water Heater from On Demand Instant Propane Gas is a high-performing and versatile option for RV owners. It boasts a 55,000 BTU output and can deliver up to 3.9 GPM of hot water, making it ideal for multiple showers or other hot water needs.

Specs

• Heating Capacity: 55,000 BTUs
• Flow Rate: 3.9 GPM
• Temperature Range: 95°F – 124°F
• Dimensions: 15 x 15 inches
• Power Source: 12V DC

Pros

• Dual water outlet design for indoor and outdoor use
• Seamless replacement for various RV water heater models
• Provides consistent and endless hot water supply
• Efficient heating with up to 40% reduced propane consumption
• Comprehensive safety features for reliable performance

Cons

• Installation may require some expertise
• Higher initial cost compared to traditional tank heaters

Customer Reviews

Customers generally have positive experiences with the RV Tankless Water Heater, praising its performance, versatility, and safety features. Some users note the installation process may be more involved, but the overall consensus is that the heater delivers reliable and efficient hot water for their RV needs.

RV Tankless Water Heater, 68,000 BTU, 3.9 GPM, 12V DC Instant Endless Hot Water

Overview

The ELEISIOS RV Tankless Water Heater is a powerful and feature-rich option designed for the RV lifestyle. With a 68,000 BTU output and a 3.9 GPM flow rate, it provides an endless supply of hot water for multiple users.

Specs

• Heating Capacity: 68,000 BTUs
• Flow Rate: 3.9 GPM
• Temperature Range: 95°F – 123°F
• Dimensions: 15 x 15 inches
• Power Source: 12V DC

Pros

• High-altitude performance for reliable operation at any elevation
• Seamless replacement for various RV water heater models
• Instant hot water delivery without the need for preheating
• Comprehensive safety features, including anti-scald protection
• Includes a smart remote control for convenient operation

Cons

• May require professional installation for some users
• Higher initial cost compared to traditional tank heaters

Customer Reviews

Customers appreciate the ELEISIOS RV Tankless Water Heater’s high-performance capabilities, with many noting its ability to deliver instant and consistent hot water, even at high altitudes. Some users mention the installation process may require additional expertise, but the overall consensus is that the heater is a reliable and efficient solution for their RV needs.

Tankless Water Heater Mini Instant Hot Water Heater Portable Outdoor Camping Water Heater

Overview

The Tankless Water Heater Mini from Instant Hot Water Heater is a compact and portable option designed for outdoor use, making it a suitable choice for camping trips and other RV adventures.

Specs

• Heating Capacity: 3000W
• Flow Rate: Not specified
• Temperature Range: Not specified
• Dimensions: Compact and portable
• Power Source: Electric

Pros

• Portable and easy to set up for outdoor use
• Provides instant hot water without the need for preheating
• Energy-efficient and environmentally friendly
• Compact and space-saving design

Cons

• Limited flow rate and temperature control
• Potential reliability issues based on customer reviews
• May not be suitable for larger RVs or high-demand hot water needs

Customer Reviews

Customer reviews for the Tankless Water Heater Mini are mixed, with some users reporting positive experiences with the product’s convenience and performance, while others have encountered reliability issues, such as the heater malfunctioning or not providing sufficient hot water. It’s important to carefully consider the specific needs and usage requirements of your RV before selecting this model.

Buying Guide: Choosing the Best Electric Tankless Water Heater for Your Camper

Heating Capacity and Flow Rate

• Consider the BTU output and flow rate (GPM) to ensure the heater can meet your hot water demands, especially if you have multiple users or high-flow fixtures.
• Higher BTU and flow rate models are generally more suitable for larger RVs or those with high hot water needs.

Compatibility and Installation

• Ensure the heater’s dimensions and mounting requirements are compatible with your RV’s existing water heater setup.
• Some models may require professional installation, so factor in the installation complexity and any additional costs.

Safety Features

• Look for tankless water heaters with comprehensive safety features, such as overheat protection, flame failure safeguards, and anti-scald mechanisms.
• CSA or other safety certifications can provide peace of mind for reliable and safe operation.

Temperature Control and Efficiency

• Evaluate the temperature range and adjustability to ensure you can achieve your desired water temperature.
• Consider the heater’s energy efficiency, as this can translate to lower propane or electricity consumption and cost savings.

Additional Features

• Convenient features like remote controls, dual water outlets, and high-altitude performance can enhance the user experience.
• Warranty coverage and customer support can provide additional peace of mind for your investment.

FAQs

1. Can an electric tankless water heater be used in an RV?

Yes, electric tankless water heaters can be a great option for RVs, providing instant and endless hot water without the need for a traditional tank. However, it’s important to ensure the heater’s power requirements are compatible with your RV’s electrical system.

2. How do I determine the right size tankless water heater for my RV?

The ideal size of the tankless water heater will depend on the hot water demands of your RV, including the number of users, showerhead flow rates, and any additional appliances that require hot water. As a general guideline, a 55,000-68,000 BTU heater with a 3.5-4.0 GPM flow rate should be suitable for most RV applications.

3. Can an electric tankless water heater be used at high altitudes?

Yes, some electric tankless water heaters are designed to perform well at high altitudes, up to around 9,800 feet. Look for models that specifically mention high-altitude capabilities or include features like enhanced fans to ensure reliable operation in mountainous regions.

4. How difficult is it to install an electric tankless water heater in an RV?

The difficulty of installation can vary depending on the specific model and your RV’s existing setup. Some tankless water heaters are designed for relatively straightforward DIY installation, while others may require professional assistance, especially if you need to modify the existing plumbing or electrical systems.

5. How do I maintain an electric tankless water heater in my RV?

Regular maintenance, such as cleaning the water inlet filter and checking for any leaks or damage, can help ensure the longevity and optimal performance of your electric tankless water heater. Refer to the manufacturer’s instructions for specific maintenance guidelines.

Conclusion

When it comes to finding the best electric tankless water heater for your camper, there are several excellent options to consider. The RV Tankless Water Heater, the ELEISIOS RV Tankless Water Heater, and the Tankless Water Heater Mini all offer unique features and benefits that cater to the specific needs of RV owners. By carefully evaluating factors like heating capacity, flow rate, safety features, and ease of installation, you can make an informed decision and ensure a reliable and efficient hot water solution for your RV adventures. Remember to also consider your specific usage requirements and budget to find the perfect electric tankless water heater that will enhance your camping experience.