Presley Gonzales
12 min readApr 19, 2024

Welcome to our comprehensive RV tankless water heater roundup, where we delve into the world of efficient and space-saving heating options for your traveling lifestyle. Join us as we unveil the top picks that make the most of your limited RV storage space, ensuring a warm shower and clean dishes while on the road.

The Top 10 Best Rv Tankless Water Heaters

  1. RecPro RV On-Demand Gas Heater with Remote Control (Black) — Upgrade your RV with the RecPro RV Tankless Hot Water Heater — a modern solution for endless hot water, clean air quality, and easy operation.
  2. Truma Aqua Go: Portable Tankless Water Heater for RVs — The Truma Aqua Go instant water heater provides endless hot water for your RV, ensuring constant comfort and temperature regardless of usage or flow rate, while also offering the convenience of easy winterization and decalcification.
  3. Intelligent RV Tankless Water Heater with CO Alarm — Revolutionize your RV lifestyle with the Briidea RV Tankless Water Heater — a 55,000 BTU powerhouse equipped with CO alarm, intelligent adjustment, and remote control panel for a continuous and efficient hot water supply.
  4. Gasland BE158 Outdoor Portable RV Tankless Water Heater — Revolutionize your outdoor adventures with the Gasland 1.58GPM portable water heater — the perfect companion for RVs and camping, delivering hot water in seconds!
  5. Fogatti Instashower 8 Plus: High Altitude RV Tankless Water Heater with Remote Control — Experience ultimate hot water reliability at high altitudes with the Fogatti RV Tankless Water Heater, featuring a powerful 55,000-BTU output, remote control, and long-lasting hot water supply that outperforms traditional tank heaters.
  6. Efficient Chronomite Labs RV Tankless Water Heater — The Chronomite Labs SR-40/208 HTR-I Electric Tankless Water Heater delivers instant hot water with a 1.0-GPM flow rate, small size, and low installation cost, making it perfect for RVs and various applications.
  7. Infinite On Demand RV Water Heater — Energy-Efficient Solution for RVers — Experience endless hot water comfort with the Nautilus On Demand RV Water Heater, featuring an innovative self-modulating combustion system and built-in freeze protection, all while reducing energy consumption and weight.
  8. RVMP Flex Temp On-Demand Water Heater — White with Anti-Freeze and Anti-Scald Systems — Experience the luxury of endless hot water on-demand with the RVMP Flex Temp On-Demand Tankless Water Heater — the ultimate companion for RVers seeking ultimate relaxation.
  9. Fogatti Insta-Shower Tankless Water Heater: Compact and Efficient RV Solution — Say hello to hassle-free hot water on the go with Fogatti’s FS06B1 Insta-Shower Tankless Water Heater, the compact, efficient, and easy-to-install solution for your RV’s hot water needs.
  10. Furrion Anti-Freeze RV Tankless Water Heater — Rely on reliable hot water on demand with the Furrion RV Tankless Water Heater, perfect for mobile homes and RVs.

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Reviews

RecPro RV On-Demand Gas Heater with Remote Control (Black)

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The RecPro RV Tankless Hot Water Heater is a game-changer for RV owners, providing an endless supply of warm water without the hassle of waiting for a tank to warm up. Its forced exhaust system ensures clean and safe air, while the dust net keeps the heater free of debris.

A low water pressure startup makes it user-friendly and protects the heater. However, its size and voltage requirements are important considerations to keep in mind. Overall, this tankless heater brings convenience and efficiency to the RV lifestyle.

Truma Aqua Go: Portable Tankless Water Heater for RVs

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The Truma Aqua Go instant water heater offers an endless supply of hot water for your RV’s showering and handwashing needs. This heater utilizes Truma hybrid technology to keep the temperature constant, ensuring no scalding.

It’s equipped with exclusive decalcification technology to extend its life and maintain its performance. The Easy Drain Lever allows for quick winterization without special tools. Its microprocessor-controlled stepless burner management allows for adjustable water temperatures and efficient operation at varying flow rates.

Intelligent RV Tankless Water Heater with CO Alarm

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In my recent travels, I found myself using the Briidea RV Water Heater, and let me tell you, it’s a game-changer. Hot water, anytime you need it.

The heat is efficient, and it’s been pretty reliable. I’ve even noticed that this little tool is quite adaptable.

It works seamlessly with different model RVs and doesn’t need much fuss. Now, the downside is, sometimes the setup does seem a bit tricky, but once you get the hang of it, it’s smooth sailing. And I do appreciate that it comes with built-in overpressure relief, which means you don’t need to worry about sudden bursts of heat.

However, some more straightforward instructions would have been welcomed. All in all, it’s clear that the Briidea RV Water Heater is built to provide a luxurious hot water experience for your RV living.

Gasland BE158 Outdoor Portable RV Tankless Water Heater

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I recently took the Gasland 6L outdoor portable gas water heater on a camping trip, and it was a game-changer. Its compact size and lightweight design made it super easy to carry around while still providing a hot shower. The one-touch operation and powerful heat capacity were impressive, delivering hot water in seconds.

The feature that stood out, however, was the superior water flow. I had the opportunity to compare it with another heater, and the Gasland truly delivered a more consistent and enjoyable shower experience. Overall, it was a great addition to our camping essentials, and I would definitely recommend it for anyone in need of a portable hot water solution.

Fogatti Instashower 8 Plus: High Altitude RV Tankless Water Heater with Remote Control

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The Fogatti RV Tankless Water Heater offers a sleek and compact design that fits perfectly in any RV. Generating up to 2.9 gallons per minute of hot water, it ensures that the family of three has a sufficient supply of warm water.

With its powerful 55,000 BTU, it outperforms other tank heaters that can only store and supply 6–10 gallons of hot water, making it the best choice for high altitude conditions. However, note that this water heater requires an external vent and is not compatible with mobile homes.

Efficient Chronomite Labs RV Tankless Water Heater

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I recently tried the Chronomite Labs SR-40/208 HTR-I Electric Tankless Water Heater, and let me tell you, it’s a game-changer for those looking for an instant, energy-efficient water heater. With its small size and low installation cost, it seamlessly integrates into my daily life, providing endless hot water when I need it.

One of the standout features is its 1.0-GPM flow rate, which ensures that I never run out of hot water while using it at home. The two mounted chrome compression fittings are a nice touch, making installation a breeze and giving the heater a sleek, professional look.

On the flip side, the rear electric knock-out could be a bit more user-friendly, as I found myself struggling with it a bit during the initial setup. However, once I got the hang of it, everything else was smooth sailing.

Overall, the Chronomite Labs SR-40/208 HTR-I Electric Tankless Water Heater is an excellent choice for anyone looking for a reliable, efficient water heater that fits seamlessly into their home or RV lifestyle.

Infinite On Demand RV Water Heater — Energy-Efficient Solution for RVers

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As someone who loves adventuring, the Suburban Nautilus on Demand Water Heater has been a game-changer for me. With its convenient, 60,000-BTU two-stage self-modulating combustion system, I no longer have to struggle with hot water storage or hefty energy bills. The built-in freeze protection ensures my water stays cozy, no matter where I am, while the MCS monitoring system ensures consistent comfort.

But the real clincher for me is the lightweight design, weighing in at just 36 lbs. Installed. The porcelain-lined steel tank gives me peace of mind with its durability, and the anode rod added an extra layer of protection against electrolytical action. However, there have been a few hiccups with customer service and the quality of the access door. Nevertheless, for someone on the go, the Nautilus on Demand Water Heater has proven to be a reliable and efficient companion on my RV adventures.

RVMP Flex Temp On-Demand Water Heater — White with Anti-Freeze and Anti-Scald Systems

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Last week, I went camping in my RV and I was worried about running out of hot water. A friend recommended the RVMP Flex Temp On-Demand Tankless Water Heater.

I was skeptical at first, but after trying it, I fell in love with this little heater. It was compact and lightweight, but the best part was the industry-first patent restrictor valve.

This thing automatically adjusted the flow rate, ensuring that my water would always be warm and comfortable. Plus, the safety features were top-notch — carbon monoxide and propane leak sensors, anti-freezing system, and anti-scald system all made me feel secure.

My only complaint was that the installation process took a bit longer than I expected, but overall, this tankless water heater made my camping trip much more enjoyable, just imagine never running out of hot water again, how great is that?

Fogatti Insta-Shower Tankless Water Heater: Compact and Efficient RV Solution

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Upgrading my RV’s hot water convenience was a breeze with the Fogatti Tankless Water Heater. The compact design and easy installation made replacing my old 10-gallon unit a piece of cake. The constant temperature system was a game-changer, ensuring that my showers remained comfortable no matter where I travelled.

However, I did face a minor issue with the low startup water pressure, which made it difficult to achieve the desired water temperature in the initial stages. The automatic flameout protection, though useful, required a little finesse to handle. Despite these minor hiccups, the smart monitoring by the built-in microcomputer and the intuitive fault code display made for an overall positive experience.

Furrion Anti-Freeze RV Tankless Water Heater

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The FWH09AFA-AM Furrion LLC Anti Freeze Tankless Water Heater has been a game-changer in my RV life. The idea of having hot water on demand was intriguing, but I wasn’t sure how well it would perform. I was pleasantly surprised with the results.

This water heater works like a charm for my RV, providing a continuous supply of hot water without the need for a bulky tank. It has a unique anti-freeze feature, which has been a lifesaver in colder climates. I can now take comforting hot showers even in the freezing winter months without worrying about damaging the water heater.

However, there’s one downside I noticed — the water heater can be a bit noisy at times. It’s a small price to pay for the convenience it offers, but it might be something to consider if you’re looking for quiet operation.

Overall, I’ve been really satisfied with the FWH09AFA-AM Furrion LLC Anti Freeze Tankless Water Heater. It’s saved me from freezing showers and made my RV life a whole lot more comfortable.

Buyer’s Guide

Welcome to our comprehensive buyer’s guide for RV tankless water heaters. This guide is designed to provide you with valuable information about the product category, helping you make an informed decision when choosing the right tankless water heater for your RV. We’ll cover important features, considerations, and general advice to ensure you find the perfect fit for your needs. Let’s get started!

Important Features to Consider

When looking for an RV tankless water heater, there are several key features to consider. These include the following:

  1. Compatibility with your RV’s water system, 2. Energy efficiency, 3. Heating capacity, 4. Installation requirements, and 5. User-friendly interface and controls. Let’s delve deeper into each of these factors.

RV Compatibility

Make sure the tankless water heater you’re considering is compatible with your RV’s water system. This includes considering factors such as your RV’s water pressure and temperature range. If the heater is not compatible, it may not work efficiently or could potentially damage your RV’s water system.

Energy Efficiency

Efficiency is a crucial factor when choosing an RV tankless water heater, especially if you’re looking to minimize your energy consumption. Some models feature advanced technology, such as condensing systems, to provide improved efficiency, while others focus on simple, reliable performance. Consider the heater’s energy efficiency rating and any additional features designed to conserve energy.

Heating Capacity

The heating capacity of the water heater should be sufficient for your RV’s needs. This determines how quickly and efficiently the heater can heat water for your showers, sinks, and other appliances. Consider factors such as the number of people in your RV, the size of your water tank, and your desired water temperature when determining the right heating capacity for your needs.

FAQ

What sets a traditional RV water heater apart from a tankless one?

A traditional RV water heater can be bulky, heavy, and require an external propane tank for its operation. These heaters also have energy efficiency limitations. In contrast, tankless RV water heaters eliminate the need for an external propane tank, save space, and instantaneously deliver hot water, making them energy-efficient and lightweight choices.

Even though tankless models are more costly initially and may need more specific installation and upkeep due to their smaller size, they offer less maintenance and a longer lifespan than traditional models.

Are tankless RV water heater installations more manageable than those of traditional ones?

Generally, yes, tankless RV water heater setups are simpler than traditional ones. They’re lightweight and compact, making them fit in tight spots easily. Additionally, they don’t need an external propane tank, streamlining the installation process.

When installing a tankless RV water heater, proper ventilation and insulation are crucial to prevent condensation and maintain optimal performance. Consult the product manual or a professional for specific installation recommendations and requirements. Overall, tankless RV water heaters provide a more convenient installation process that’s time and effort-saving.

How long do tankless RV water heaters typically last?

A well-maintained and correctly installed tankless RV water heater can last up to 20 years or more. These units are designed for longevity and come with a manufacturer’s warranty covering parts and labor. Adhere to the product manual’s maintenance instructions like regular filter replacements, cleaning, and servicing to ensure optimal lifespan and performance.

If you encounter any problems with your tankless RV water heater, consult the product manual first. Try troubleshooting the issue before contacting the manufacturer or retailer. Regular maintenance and timely attention to any problems can significantly extend the unit’s lifespan and efficient functionality.

Can I use an electric tankless RV water heater instead of a propane one? What are the benefits?

Yes, an electric tankless RV water heater can be a substitute for a propane one. The primary advantage is that electric heaters are more environmentally friendly and cost-efficient since electricity is often cheaper than propane. Additionally, electric models are typically smaller and lighter, making them more suitable for RV travel.

Electric RV water heaters are more convenient to use since they rely on the RV’s battery or electrical hookup for operation. However, they require a consistent power source for providing hot water. Propane heaters have a backup power source in the form of a propane tank, making electric models not ideal in some cases. Always consider your travel needs and RV’s power capabilities before deciding on electric over propane systems.

Are all tankless RV water heaters suitable for all RV sizes and types?

No, tankless RV water heaters are not compatible with all RV sizes and types. Before selecting a specific model, assess your RV’s space and plumbing requirements. Some tanks may have size restrictions or need specific plumbing alterations that aren’t compatible with certain RV layouts.

Different manufacturers provide a variety of tankless RV water heater models with different input voltages, wattage, and temperature limits. Choose a product suitable for your RV’s specific dimensions, requirements, and power source. Additionally, follow the manufacturer’s guidelines to guarantee proper fitting and compatibility and, if necessary, consult a professional.

How can I maintain a tankless RV water heater to ensure its best performance?

To maintain a tankless RV water heater, regularly inspect and clean its ventilation system. Check for any obstructions or damage, and ensure there is adequate airflow to prevent condensation and corrosion. Following the manufacturer’s guidelines for filter replacements and cleaning schedules is crucial for prolonging the unit’s lifespan and maintaining optimal performance.

Regular maintenance of your RV’s electrical system, including checking circuit breakers and wiring connections for any damage or corrosion, is also critical. Proper maintenance and prompt attention to any problems can prevent performance issues and expensive repairs in the future. Always consult the product manual for more specific maintenance instructions and recommended service intervals.

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