Major Appliances

The Best RV Water Heaters

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Selecting the right RV water heater is crucial for ensuring comfort and convenience on the road. A reliable unit provides hot water for showering, washing dishes, and other essential tasks, significantly enhancing your travel experience. Consider these factors to make an informed decision that suits your needs.

No. 1
Suburban SW6D 6-Gallon RV Water Heater, Direct Spark Ignition (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.
SaleNo. 2
Suburban Advantage RV Tank Water Heater SW10DE - 10 gallon Porcelain Lined Steel Tank with Direct Spark...
  • DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 10 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.
No. 3
Suburban SW6DE 6-Gallon RV Water Heater, DSI & Electric (5239A)
  • 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.
SaleNo. 4
FOGATTI InstaShower 7 RV Tankless Water Heater, Propane On Demand Hot Water
  • ๐‘๐ž๐ฉ๐ฅ๐š๐œ๐ž๐ฌ ๐š๐ฅ๐ฅ ๐‘๐• ๐–๐š๐ญ๐ž๐ซ ๐‡๐ž๐š๐ญ๐ž๐ซ๐ฌ: There are three door options with two colors, black and white, which can easily refit RV electric water heater and RV tankless water heater...
  • ๐ˆ๐ง๐ฌ๐ญ๐š๐ง๐ญ ๐‡๐จ๐ญ ๐–๐š๐ญ๐ž๐ซ: Fogatti InstaShower 7 delivers 2.5 gallons of hot water per minute and 48,000 BTU heat output, ideal for meeting the needs of a busy RV family. The tankless feature saves energy by only...
  • ...
  • ๐‘๐• ๐–๐š๐ญ๐ž๐ซ ๐‡๐ž๐š๐ญ๐ž๐ซ ๐ฐ/ ๐๐ซ๐ž-๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐ž๐ ๐Ÿ๐Ÿ“๐ŸŽ ๐๐’๐ˆ ๐•๐š๐ฅ๐ฏ๐ž & ๐Ÿ”.๐Ÿ”๐Ÿ๐ญ ๐’๐ฆ๐š๐ซ๐ญ ๐‘๐ž๐ฆ๐จ๐ญ๐ž: Fogatti has always thought of...
SaleNo. 5
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches White Door and Remote Controller...
  • Rapid Instant Heating: The RV water heater offers 42,000 BTU of high power, delivering hot water quickly to meet your needs for showering, dishwashing, and more.
  • All-Season Use: Featuring segmented combustion technology, it adjusts water temperature according to seasonal changes, ensuring comfortable hot water year-round. This energy-saving feature prevents excessively high water temperatures in summer, making it...
  • Convenient Control: Equipped with an LED smart display and touch controls, the rv tankless water heater allows easy temperature adjustment and power control, offering hassle-free operation and effortless monitoring.
  • Outdoor Water Outlet: In addition to an internal outlet, this RV water heater is equipped with a front outlet for outdoor use, perfect for washing pets, vehicles, and more. Enjoy added convenience for all your outdoor adventures.
SaleNo. 6
ORBEK RV Tankless Water Heater, Propane, 12V DC, For RV Family & Camper
  • ๐‚๐จ๐ง๐ญ๐ข๐ง๐ฎ๐จ๐ฎ๐ฌ ๐Ž๐ง-๐ƒ๐ž๐ฆ๐š๐ง๐ ๐‡๐จ๐ญ ๐–๐š๐ญ๐ž๐ซ: Equipped with a 60,000 BTU propane burner, the ORBEK RV tankless water heater delivers continuous hot water for everyday RV use, including...
  • ๐Ž๐ฉ๐ญ๐ข๐จ๐ง๐š๐ฅ ๐‘๐• ๐ƒ๐จ๐จ๐ซ ๐๐š๐ง๐ž๐ฅ๐ฌ: Door panels are available separately in black and white for a coordinated RV appearance. Designed for standard 15" ร— 15", 15" ร— 18", and 18" ร— 18" RV water heater...
  • ๐‡๐ข๐ ๐ก-๐š๐ฅ๐ญ๐ข๐ญ๐ฎ๐๐ž ๐’๐ฎ๐ข๐ญ๐š๐›๐ข๐ฅ๐ข๐ญ๐ฒ ๐Œ๐จ๐๐ž: Equipped with oxygen-free copper heat exchangers and brushless DC fans, it adapts to high altitudes, ensuring smooth operation even when you...
  • ๐๐ฎ๐ข๐œ๐ค ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐š๐ญ๐ข๐จ๐ง ๐ฐ๐ข๐ญ๐ก ๐’๐ญ๐š๐ง๐๐š๐ซ๐ ๐‘๐• ๐‚๐จ๐ง๐ง๐ž๐œ๐ญ๐ข๐จ๐ง๐ฌ: Designed for easy installation using a 12V DC power supply and standard NPT...
No. 7
RV Tankless Water Heater 12V, 65,000 BTU Propane Powered Instant Hot Water, Includes 15''ร—15'' Lockable Door...
  • INSTANT & ENDLESS HOT WATER: This RV tankless water heater delivers up to 3.9 GPM and heats water in just 3 seconds, with precise ยฑ1ยฐF temperature control for consistent, continuous showers โ€” no waiting, no cold bursts.
  • LEAK-RESISTANT FOR HARSH USE: This tankless water heater for camper features a 1.5kg heavy-duty copper heat exchanger with 30% thicker elbows, withstands freezing temperatures without cracking or leaking. Widened gas nozzles ensure reliable ignition at...
  • SMART IGNITION & PROPANE SAVING: This RV on demand water heater automatically ignites and shuts off with your faucet, reducing propane waste and saving energy. Automatic seasonal flame adjustment prevents overheating in summer and chills in winter...
  • PRECISE CONTROL & DUAL WATER OUTLETS: This RV hot water heater includes an LED controller with temp control, self-diagnosis, and a memory function that saves temp settings. Dual outlets let you use hot water indoors while washing gear or pets outside...
SaleNo. 8
VEVOR RV Tankless Water Heater, 42000BTU, Instant Shower with 15 x 15 inches Black Door and Remote Controller...
  • Rapid Instant Heating: The RV water heater offers 42,000 BTU of high power, delivering hot water quickly to meet your needs for showering, dishwashing, and more.
  • All-Season Use: Featuring segmented combustion technology, it adjusts water temperature according to seasonal changes, ensuring comfortable hot water year-round. This energy-saving feature prevents excessively high water temperatures in summer, making it...
  • Convenient Control: Equipped with an LED smart display and touch controls, the rv tankless water heater allows easy temperature adjustment and power control, offering hassle-free operation and effortless monitoring.
  • Outdoor Water Outlet: In addition to an internal outlet, this RV water heater is equipped with a front outlet for outdoor use, perfect for washing pets, vehicles, and more. Enjoy added convenience for all your outdoor adventures.
No. 9
Suburban SW12DE 12-Gallon RV Water Heater, DSI & Electric (5247A)
  • DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 12 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.

Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best RV Water Heaters

Types of RV Water Heaters

  • Propane/Gas Heaters: These are the most common, offering quick heating times and operating independently of shore power. They require propane tanks and proper ventilation.
  • Electric Heaters: These units utilize your RV's electrical system, either 12V or 120V. They are quieter and don't produce fumes but rely on external power sources or battery banks.
  • Hybrid/Dual-Fuel Heaters: These models combine propane and electric heating, offering flexibility. You can use electric when plugged in and switch to propane when off-grid.

Capacity and Recovery Rate

  • Capacity: Water heater capacity is measured in gallons. For most RVs, 6-gallon units are standard, but larger rigs or those with more occupants might benefit from 10-gallon or larger models.
  • Recovery Rate: This refers to how quickly the heater can reheat a full tank of water. A faster recovery rate means less waiting time between uses, especially important for multiple showers.

Installation and Maintenance

  • Installation: While some units are designed for DIY installation, others may require professional help, especially if electrical or plumbing modifications are needed. Ensure proper venting for gas models.
  • Maintenance: Regular maintenance is key to longevity. This includes flushing the tank to remove sediment, checking anode rods (on electric models) for corrosion, and ensuring propane connections are secure and leak-free.

Energy Efficiency and Features

  • Energy Sources: Consider your typical camping style. If you frequently use campgrounds with hookups, electric or hybrid models are efficient. For boondocking, propane is essential.
  • Additional Features: Look for features like electronic ignition, thermostat controls, safety shut-offs, and durable construction. Some advanced models offer smart controls or faster heating technologies.

Frequently Asked Questions

What is the typical lifespan of an RV water heater?
The lifespan of an RV water heater can vary, but with proper maintenance, most units last between 5 to 10 years. Regular flushing and anode rod replacement (where applicable) can significantly extend their operational life.
How do I choose the right size for my RV?
Consider the number of people typically traveling in your RV and your hot water usage habits. A 6-gallon tank is usually sufficient for couples or solo travelers, while larger families may need 10 gallons or more.
Can I use an RV water heater at home?
While technically possible with the correct hookups and venting, it's generally not recommended. RV water heaters are designed for mobile use and may not meet residential codes or provide the capacity needed for a home.
What are the safety considerations for propane RV water heaters?
Proper ventilation is paramount to prevent carbon monoxide buildup. Always ensure the unit is installed correctly with secure propane connections and functioning safety shut-off valves.
How often should I flush my RV water heater tank?
It's advisable to flush your RV water heater tank at least once a year, or more frequently if you use your RV extensively or travel in areas with hard water. This removes sediment that can reduce efficiency and damage the tank.
What is the difference between an RV water heater and a tankless model?
Traditional RV water heaters store hot water in a tank, while tankless models heat water on demand. Tankless units can save space and energy by only heating water when needed, but often have higher upfront costs.

How we compare Major Appliances

1 Specifications: we compare the key features and specifications listed by the manufacturer and on Amazon.
2 Customer ratings: we take into account the average Amazon rating and the number of reviews.
3 Price: we check the current price and highlight notable deals.
4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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