The Best RV Water Heaters

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Discover now our comparison of the best RV Water Heaters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best RV Water Heaters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the RV Water Heaters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A

DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 6 Gallon Tank Water Heater is designed for durability, mimicking the longevity of residential tank water heaters, ensuring years of reliable hot water.
ADVANCED CORROSION PROTECTION: Equip with a replaceable anode rod and this water heater provides enhanced protection against tank corrosion. The anode rod also doubles as a drain, simplifying maintenance and extending the lifespan of the unit.
FLEXIBLE POWER OPTIONS: Featuring an optional electric element, this allows you to utilize campsite or generator power for heating water, offering unmatched versatility.
EXCLUSIVE HEAT TRANSFER TECHNOLOGY: Suburban's exclusive flue tube design slows the combustion process, optimizing heat transfer and ensuring the water in the tank heats efficiently, saving energy and providing hot water faster.
SPECIFICATIONS: Product Dimensions - 12.69" x 12.69" x 19.19"; Cutout Dimensions - 12.75" x 12.75" x 19.19". BTU/h - 12,000. Optional electric element input - 1,440. Recovery rate electric only (Gallons/Hour) - 6.1; Recovery rate gas only (Gallons/Hour) - 10.1. Backed by a 2-year limited warranty and a 3-year tank limited warranty.

No. 2

AMZCHEF RV Tankless 65,000BTU Water Heater,CSA Certificated,3.9 GPM Water Heater, with 15 x 15 inches Black Door & Remote Controller,12V,9800FT Endless Hot Water for RV

【Replaces all RV water heaters】Amzchef instant rv hot water heater has a 13“ x 13" opening and comes with a 15 x 15" door, can replace other brand water heaters and other tankless water heaters. It is low noise and has good vibration resistance, which is made for RVs
【Wide temperature range】Temperature ranges from 95°F-124°F.No overheating of water due to brief opening and closing. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel
【Endless Hot Water 】Deep fire row design can improve heating efficiency. It can produce up to Max 3.9 GPM hot water and has 65,000 BTU power. It can bring you hot water all the time when there is enough gas and water. There is no need to wait for the water to heat up and take a quick bath like with a tank water heater
【Safety & Reliability】Anti-freeze setting allows you to use your rv water heater in the winter without hassle.And AMZCHEF has thoughtfully prepared installation tips to make the installation process easier and more understandable.
【CSA Certified】AMZCHEF RV water heater is CSA certified. When installing, please make sure that the voltage of the RV is 12V. We have a professional service team. If you have any questions, please feel free to contact us. We will solve it for you immediately.

No. 3

Ranein 65,000 BTU RV Tankless Water Heater, High Altitude Available, 12V, CSA Certificated, with Multi-function Controller, On Demand Instant Hot Water Heater, Compatible with all RVs

【We've upgraded.】On top of the original. We have upgraded the multi-function remote control. You can view gas usage, voltage, GPM, does anti-freeze device activates, and 9,800ft high altitude available.
【Replaces all RV water heaters】It has a 12.8 x 12.8" (without door) opening, easy to replace Suburban & Atwood's 6/10/12 gal tank water heaters and your old water heater with appropriate doors. The fitting door kit is available for purchase in 3 sizes: 15" x 15", 15" x 18", or 18" x 18". Door Requires Additional Purchase, Door ASIN: B0D62541MK
【Long time bath】Deep fire row design can improve heating efficiency. It can produce up to Max 3.9 GMP hot water and has 65,000 BTU power. It can bring you hot water all the time when there is enough gas and water. There is no need to wait for the water to heat up and take a quick bath like with a tank water heater
【Steady temperature】Temperature ranges from 95°F-124°F. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel
【Save money and comfort】The a tankless RV water heater with a pressure relief valve built into the unit. You don't have to buy and install it separately. It also comes with a PC 6.6 feet intelligent remote controller. This product does not come with a door and needs to be purchased.
【Safety and reliability】Built-in forced exhaust fan on top for stable combustion and automatic gas shut-off in case of accidental flame failure. It has an anti-freeze device that automatically warms up when the temperature falls below 42.8°F to prevent freezing
【Buy with confidence】The RV water heater is CSA certified. When installing, please make sure that the voltage of the RV is 12V. We have a professional service team. If you have any questions, please feel free to contact us. We will solve it for you immediately

SaleNo. 4

Dometic WH-6GEA RV Gas and Electric Water Heater - 12 Volt 6 Gallon Silver Burner-Quick Heating Burner System for Indoor Installation

QUICK AND EFFICIENT HEATING: The Dometic water heater has a powerful burner system that heats water quickly, reducing wait times for hot water. It also has an electric heating element that provides additional input, ensuring you have hot water when you need it.
EXTENDED HOT WATER: The water heater design allows you to enjoy hot water for longer periods, making it perfect for longer showers or filling up larger tanks.
LOW MAINTENANCE: The Dometic water heater features an Aluminium tank that requires no anode rod, making maintenance easy and hassle-free.
CONVENIENT SIZE: The Dometic WH-6GEA has a capacity of 6 gallons and compact dimensions of 16 x 16 x 14 inches. It is easy to install indoors and provides a reliable and convenient source of hot water for your RV or mobile home.
MARKET-LEADING WATER HEATER: The Dometic WH-6GEA is a top-of-the-line water heater designed for mobile applications. Its robust burner system generates hot water quickly and for longer durations, ensuring a comfortable and convenient showering experience while you're on the go.

No. 5

Ranein 65,000 BTU RV Tankless Water Heater, High Altitude Available, 12V, CSA Certificated, with Thermostatic Chamber and Multi-function Controller, On Demand Instant Hot Water Heater

【We've upgraded.】On top of the original. We have upgraded the multi-function remote control. You can view gas usage, voltage, GPM, does anti-freeze device activates, and high altitude available
【Replaces all RV water heaters】It has a 12.8 x 12.8" (without door) opening, easy to replace Suburban & Atwood's 6/10/12 gal tank water heaters and your old water heater with appropriate doors. The fitting door kit is available for purchase in 3 sizes: 15" x 15", 15" x 18", or 18" x 18". Door Requires Additional Purchase, Door ASIN: B0D62541MK
【Long time bath】Deep fire row design can improve heating efficiency. It can produce up to Max 3.9 GMP hot water and has 65,000 BTU power. It can bring you hot water all the time when there is enough gas and water. There is no need to wait for the water to heat up and take a quick bath like with a tank water heater
【Steady temperature】Temperature ranges from 95°F-124°F. Built-in constant temperature chamber, no overheating of water due to brief opening and closing. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel
【Save money and comfort】The a tankless RV water heater with a pressure relief valve built into the unit. You don't have to buy and install it separately. It also comes with a PC 6.6 feet intelligent remote controller. This product does not come with a door and needs to be purchased.
【Safety and reliability】Built-in forced exhaust fan on top for stable combustion and automatic gas shut-off in case of accidental flame failure. It has an anti-freeze device that automatically warms up when the temperature falls below 42.8°F to prevent freezing
【Buy with confidence】The RV water heater is CSA certified. When installing, please make sure that the voltage of the RV is 12V. We have a professional service team. If you have any questions, please feel free to contact us. We will solve it for you immediately.

SaleNo. 6

RV Tankless Water Heater, 55000 BTUs Instant Hot Water Heater with 15 x 15 inches Door & Remote Controller, DC 12V MAX 3.9GPM, Propane Gas Power Technology, Compatible with All RVs(Black)

𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 𝐒𝐮𝐩𝐩𝐥𝐲 - Compared with traditional tank-type water heaters,BRFCQ RV water heater thermal power up to 55,000 BTU can provide a constant supply of hot water for multiple showers without preheating. RV tankless water heater reaches 51°C within 25 Seconds. You don't have to wait for a long time to enjoy warm hot water, saving time and saying goodbye to long waits. 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐰𝐢𝐭𝐡 𝐚𝐥𝐥 𝐑𝐕𝐬 𝐚𝐧𝐝 𝐂𝐚𝐦𝐩𝐞𝐫𝐬
𝐔𝐬𝐞𝐫 𝐅𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧 - The intuitive LED display lets you easily monitor and adjust water temperature, ensuring perfect warmth at your fingertips. Simplified controls make it a breeze to operate, even for first-time users. Please read the instructions for troubleshooting related error codes
𝐅𝐢𝐭𝐬 𝐀𝐧𝐲 𝐑𝐕 𝐖𝐚𝐭𝐞𝐫 𝐇𝐞𝐚𝐭𝐞𝐫 𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭𝐬 - Maximize your RV’s space with our lightweight, compact tankless water heater, with door dimensions of 15" x 15" and an opening of 13" x 13", making it easy to install even in tight spaces
𝐄𝐧𝐝𝐥𝐞𝐬𝐬 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 - 55,000 BTUs high power output, maximum water flow 3.9 GPM, Whether you're taking a refreshing shower, washing dishes, or handling multiple tasks at once, this water heater ensures consistent, high-volume performance to meet your needs
𝐒𝐭𝐚𝐛𝐥𝐢𝐳𝐞 𝐓𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 - Tankless RV water heater vortex technology continuously mixes the water to the desired temperature. If the temperature exceeds safe limits, the dual sensors automatically shut off the power
𝐄𝐚𝐬𝐲 𝐓𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥 - The RV water heater requires a 12-volt DC power connection and propane. RV hot water heater will always provide you with hot water as long as there is enough gas and water. NOTE: For proper operation, RV on demand water heater must be installed in an area with proper ventilation and exhaust
𝐒𝐚𝐟𝐞 & 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 - Travel worry-free with this tankless rv water heater, featuring 9 advanced safety protections, from flame failure protection to overheat prevention, this water heater is built with your safety in mind, ensuring reliable performance in any condition
𝐇𝐢𝐠𝐡 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐚𝐭 𝐇𝐢𝐠𝐡 𝐀𝐥𝐭𝐢𝐭𝐮𝐝𝐞𝐬 - Take your adventures to new heights with our RV tankless water heater, engineered for high-altitude performance. Designed to function seamlessly at elevations of up to 9,800 feet, this water heater ensures consistent and reliable hot water, no matter where the road leads

No. 7

Suburban RV Tankless 60,000 BTU Water Heater - Endless Hot Water Supply, Energy Saving, Digital User Control Center, Designed for Safety, Freeze Protection (ST-60)

ENHANCED FLAME OUT PROTECTION: The Suburban Tankless RV Water Heater features advanced Flame Out Protection, a critical safety mechanism that instantly cuts the gas supply in response to low propane pressure or burner malfunction, ensuring your safety and peace of mind.
SCALD PROTECTION: Equipped with an internal high-temperature kill switch, this tankless water heater provides reliable Scald Protection. This essential feature safeguards against thermostat malfunctions, maintaining a maximum water temperature of 131° F for safe and comfortable use.
SAFE CHILD LOCK FEATURE: Designed with families in mind, the Suburban Tankless RV Water Heater includes a child lock that prevents outlet temperatures from exceeding 113° F. This feature ensures enhanced safety by protecting children from accidental scalding.
SAVES ENERGY: The tankless feature saves energy by only engaging the burners when water is needed…be it for a hot shower, clean dishes or for hosing off after a day at the beach. The unit comes ready for set-up with an included wall mount digital control center. 6285APW or 6285AEB door is required for installation, sold separately.
FREEZE AND VOLTAGE PROTECTION: This water heater includes Active Freeze Protection, which activates in low temperatures when power and propane are available, preventing freeze damage. Additionally, Voltage Protection shuts down the unit in case of low/high or overcurrent voltage, ensuring reliable and worry-free performance.

SaleNo. 8

RV Tankless Water Heater, RV Instant Propane Hot Water Heater with 16 x 16 inch Door, Front Water Outlet and Showerhead Kit, 55000 BTUs 3.9 GPM, Compatible with All RVs, DC 12V, CSA Certificated,White

[UPGRADED RV WATER HEATER] - The upgraded RV water heater features two water outlets: a regular outlet for use inside the RV and an additional outlet for use outside the RV. To use hot water outside the RV, simply open the door of the water heater outside the RV and connect the shower head to the additional water outlet on the RV water heater. This will allow you to enjoy hot water outside the RV (The shower head kit is included in the package)
[REPLACES ALL RV WATER HEATERS] - This tankless RV water heater features a 13 x 13 inch opening with a wider 16 x 16 inch door, offering a larger opening size and enhanced security compared to the standard 15 x 15 inch door. It also includes a smart remote control, allowing for operation from up to 6.6 feet away. This RV water heater is designed to replace other brands of water heaters, providing a seamless upgrade to your RV's water heating system
[ENJOY ENDLESS HOT WATER] - This RV water heater boasts up to 55,000 BTUs of thermal power, capable of producing 3.9 GPM of hot water per minute. Unlike traditional tank water heaters, it provides a constant stream of hot water for multiple showers without the need for preheating. This RV tankless water heater reaches 124°F in 25 seconds, you can enjoy warm hot water in a short time frame. Whether you're showering, washing dishes, or multi-tasking, this water heater has you covered
[CONSTANT WATER TEMPERATURE] - The RV water heater is equipped with high-efficiency heating coils to ensure optimal heating performance. The built-in microcomputer control system provides precise flame control and delivers comfortable hot water. Temperature range is 95°F-124°F. This product uses staged combustion technology to control flame size, preventing overheating in the summer and ensuring comfort and energy efficiency. It is also energy efficient, reducing propane consumption by up to 40%
[HIGH PERFORMANCE AT HIGH ALTITUDES] - Our RV tankless water heaters are designed to perform at high altitudes, enhancing your experience on the road. This RV tankless water heaters are equipped with a high-quality heat exchange system that operates effectively at any altitude, including the Denver Plateau, which is 9,800 feet above sea level. The enhanced NIDEC fan provides 300Pa of power, ensuring a reliable hot water supply even in high-wind conditions
[SAFETY & RELIABILITY] - This CSA-certified instant water heater boasts nine advanced safety features, including overheat protection, dry burn protection, flame failure protection, freeze protection and anti-scald protection. These safeguards allow you to travel with confidence and ensure reliable performance in any situation
[EASY INSTALLATION] - We provide a comprehensive installation guide to ensure a straightforward and efficient installation process. RV water heaters require a 12-volt DC power connection and propane. Water inlet & water outlet: 1/2" NPT, Gas inlet: 1/2" NPT with 5/8" NPT adapter. Please note that the RV on-demand water heater must be installed in an area with proper ventilation and exhaust in order to ensure proper operation
[REDUCE COSTS FOR RV TRAVELERS] - We have designed this product with the needs of RVers in mind. To ensure your convenience, we have included a 150 PSI pressure relief valve, eliminating the need for you to purchase and install one separately

No. 9

FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches Black Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use

【Unprecedented experience】The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9,800 feet. Staged combustion technology, which controls the amount of flame in summer, prevents the water from getting too hot and saves the limited propane gas available for caravan travel.
【All RV water heaters can be replaced】The Fogatti RV water heater have a wide range of applications. The opening is 13 x 13 inches and the door is 15 x 15 inches. It can replace Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. If you previously used a 10 gallons tank water heater, it would need to be retrofitted with an 18 x 18 inches door.
【Incessant hot water】With 55,000 BTU of power, it can produce a maximum of 2.9 GPM of hot water. Some tank heaters can only store up to 6-10 gallons of hot water and run out of hot water in 5-8 minutes, whereas our hot water supply lasts over 40 minutes.
【No waiting】RV tankless water heaters are taking off. Tankless water heaters are better than tanked water heaters for continuous showering of multiple people. There is no need to waste 20-30 minutes waiting for hot water in the middle of the shower, so you can enjoy hot water at all times. It uses propane for heating, so there is no need to worry about running out of power in your caravan.
【Save money and trouble】Fogatti has always thought of you, with a pressure relief valve built into the product, so you don't have to buy and install it separately. And it also comes with a 15 x 15 inches door and an intelligent remote controller up to 2 meters long.
【Safety and reliability】The product is CSA certified and has multiple protection features such as a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off for accidental flame failure and anti-freeze.

No. 10

RV Tankless Water Heater without Door, KINGRVER, Propane Gas, DC 12V, 3 Optional Door Sizes 15"x15", 15"x18" and 18"x18" for Refitment, Compatible with All RVs, Sufficient Power, High Altitude

Compatible with All RVs — The KINGRVER RV tankless water heater opening size is 12.7" x 12.7". The fitting door kit is available for purchase in 3 optional sizes: 15" x 15", 15" x 18", or 18" x 18". It is easy to replace Suburban, Dometic, and other RV tank/tankless water heater. We also offer customizable EVA Filling Blocks to fit oversized cutouts, ensuring stability and preventing movement of the water heater. They are waterproof and corrosion-resistant. Check our bundles for combination purchase options for easier refitment.
Endless Hot Water Supply — The heat output is enough to supply an entire RV with endless hot water, like other higher BTU models, and also save propane. The KINGRVER tankless RV water heater effortlessly supports multiple hot showers and dishwashing without preheating. The Adjustable Temperature ranges from 95°F-123°F.
High altitude Application — The KINGRVER RV on-demand Water Heater can operate at above 5000 ft high altitudes. It accommodates the low-oxygen conditions experienced at such elevations. Staged combustion technology modulates the flame intelligently based on seasonal factors, keeping water temperatures steady while reserving limited propane for travelers navigating the region's elevated terrain by caravan. The combined effects deliver an unprecedented high-altitude travel experience.
Built-In Safety Measures — A forced exhaust fan ensures stable combustion. A 150PSI pressure relief valve ensures safety. Plus, automatic gas shut-off protects against accidental flame loss. An anti-freeze device protects against low temperatures that could cause freezing. It automatically activates when sensing below 42.8°F, keeping water thawed. Safety and reliability are built in from the top down.
Certified Quality and Expert Support — The KINGRVER RV water heater is CSA-certified and has 2 Years of service. We have a 7x24 professional Technical Support team. If you have any questions, please feel free to contact us. From installation guidance to troubleshooting, we provide detailed assistance to ensure your water heater works perfectly.

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Last update on 2025-05-02 / Affiliate links / Images from Amazon Product Advertising API

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