Major Appliances

The Best RV Water Heaters

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Our picks are based on Amazon bestseller rankings, verified 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.

SaleNo. 1
ORBEK RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water...
  • ๐ˆ๐ง๐ฌ๐ญ๐š๐ง๐ญ ๐‡๐จ๐ญ ๐–๐š๐ญ๐ž๐ซ ๐’๐ฎ๐ฉ๐ฉ๐ฅ๐ฒ: Orbek delivers 60,000 BTU of heat output per minute, making it ideal for meeting the demands of busy RV families. The tankless water heater features a burner that...
  • ๐ƒ๐จ๐จ๐ซ ๐š๐œ๐œ๐ž๐ฌ๐ฌ๐จ๐ซ๐ฒ ๐ซ๐ž๐ฉ๐ฅ๐š๐œ๐ž๐ฆ๐ž๐ง๐ญ: Available for sold separately. Two color options are provided - black and white. Installation requires 15" x 15", 15" x 18", or 18" x 18" dimensions. Orbek...
  • 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š๐Ÿ๐ž๐ญ๐ฒ ๐š๐ง๐ ๐‘๐ž๐ฅ๐ข๐š๐›๐ข๐ฅ๐ข๐ญ๐ฒ: The tankless RV water heater is CSA certified and features multiple safety protections, including a built-in forced-draft exhaust fan at the top for stable combustion and...
  • ๐”๐ฉ๐ ๐ซ๐š๐๐ž๐ ๐•๐ž๐ซ๐ฌ๐ข๐จ๐ง: Orbek has always thought of you, featuring a built-in high-quality 150 PSI pressure-reducing valve so you don't need to make additional purchases or visit hardware stores frequently, saving...
  • ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐š๐ญ๐ข๐จ๐ง ๐š๐ง๐ ๐Ž๐ฉ๐ž๐ซ๐š๐ญ๐ข๐จ๐ง ๐€๐ฌ๐ฌ๐ข๐ฌ๐ญ๐š๐ง๐œ๐ž: The RV water heater is CSA certified. During installation, ensure the RV's voltage is 12V, you just need to stick...
SaleNo. 2
Novieex RV Water Heater, 60,000 BTU On-Demand Instant Tankless Hot Water Heater, 15"ร—15" White Door, 12V DC...
  • ใ€On-Demand Instant Hot Waterใ€‘Tankless RV water heater is equipped with a high-power 60,000 BTU heating system that delivers 3.6 GPM of hot water per minute, ensuring an uninterrupted supply of hot water whenever you need it. Unlike traditional...
  • ใ€Energy-saving & Precise Temperature Controlใ€‘The RV water heater is equipped with a microprocessor control system and electronic gas regulation technology, maintaining water temperatures between 95ยฐF (35ยฐC) and 123ยฐF (50ยฐC). It automatically...
  • ใ€Anti-Freezing Protectionใ€‘RV camper water heater features built-in automatic anti-freeze protection. When the water pipe temperature drops below 6ยฑ1ยฐC, the unit automatically heats up to prevent the pipes from freezing and bursting. Additionally, if...
  • ใ€High Compatibility & Quick Installationใ€‘Designed with a 15" x 15" access door to fit standard 13" x 13" RV mounting openings, this tankless water heater is suitable for many campers, RVs, and travel trailers. It runs on 12V DC 3A low-voltage power...
  • ใ€Safety Featuresใ€‘Certified to CSA/ANSI safety standards, this RV tankless water heater is designed for reliable operation in mobile living environments. It supports water pressure up to 150 PSI and performs at elevations up to 4,500 feet. Multiple...
No. 3
KINGRVER KINGRVER XT48 Tankless RV Water Heater, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller...
  • ๐‚๐จ๐ฆ๐ฉ๐š๐ญ๐ข๐›๐ฅ๐ž ๐ฐ๐ข๐ญ๐ก ๐€๐ฅ๐ฅ ๐‘๐•๐ฌ โ€” Designed to fit standard RV water heater openings, compatible with most tank or tankless units. Door kits available in 15"ร—15", 15"ร—18", or 18"ร—18", making...
  • ๐„๐ง๐๐ฅ๐ž๐ฌ๐ฌ ๐‡๐จ๐ญ ๐–๐š๐ญ๐ž๐ซ ๐’๐ฎ๐ฉ๐ฉ๐ฅ๐ฒ โ€” Provides hot water instantly for showers, dishes, and daily RV use. Tankless design heats water only when needed, saving propane and energy while keeping your RV...
  • ๐‡๐ข๐ ๐ก-๐€๐ฅ๐ญ๐ข๐ญ๐ฎ๐๐ž ๐‘๐ž๐š๐๐ฒ โ€” Engineered to perform reliably up to 9,800โ€ฏft. Intelligent flame control maintains consistent water temperature even in thin air at high elevations, ensuring steady hot water...
  • ๐’๐š๐Ÿ๐ž ๐š๐ง๐ ๐„๐š๐ฌ๐ฒ ๐ญ๐จ ๐”๐ฌ๐ž โ€” Wired remote controller lets you adjust temperature from 95ยฐF to 123ยฐF, check system status, and monitor errors. Features CSA certification, forced exhaust, 150โ€ฏPSI pressure...
  • ๐๐ซ๐จ๐Ÿ๐ž๐ฌ๐ฌ๐ข๐จ๐ง๐š๐ฅ ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐š๐ญ๐ข๐จ๐ง & ๐’๐ฎ๐ฉ๐ฉ๐จ๐ซ๐ญ โ€” Our team provides step-by-step guidance for installing your water heater, answers all questions, and helps troubleshoot...
No. 4
FOGATTI InstaShower 7 RV Tankless Water Heater, 3 Optional Door Sizes 15"x15", 15"x18" & 18"x18" for...
  • 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...
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  • 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...
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  • ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐š๐ญ๐ข๐จ๐ง ๐š๐ง๐ ๐Ž๐ฉ๐ž๐ซ๐š๐ญ๐ข๐จ๐ง ๐€๐ฌ๐ฌ๐ข๐ฌ๐ญ๐š๐ง๐œ๐ž: If you have any questions about installation and operation, please do not hesitate to contact us. We will serve...
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.
  • Compatible with Most RVs: With a door size of 15x15 inches, a rear chamber size of 12.6x12.6x14 inches, and 1/2" NPT water and gas connectors, plus a ฯ†2.36" exhaust pipe, this camper water heater is designed to suit various RVs. Quick connections make...
SaleNo. 6
Suburban Advantage RV Tank Water Heater SW6D โ€“ 6 gallon Porcelain Lined Steel Tank with Direct Spark...
  • 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...
No. 7
Xenjum RV Tankless Water Heater, 65000BTU Dual-Outlet Lockable Instant Camper Hot Water Heater with...
  • INSTANT HOT WATER & ENDLESS SUPPLY: This tankless RV water heater delivers up to 65,000 BTU and 3.9 GPM, providing instant hot water in 3 seconds. Enjoy an endless hot water supply for showers, dishwashing, and daily use - no waiting, no interruptions...
  • ON-DEMAND HOT WATER & ENERGY SAVING: Enjoy instant hot water on demand with this RV tankless water heaterโ€”it only ignites when you turn on the tap, so thereโ€™s no tank to heat and no propane wasted. Our water heater features automatic seasonal flame...
  • DUAL OUTLETS & EASY CONTROL: This RV water heater is designed with interior and exterior water outlets to supply hot water throughout your RV, from the bathroom and kitchen to outdoor activities like camping and pet washing. Adjust temperature easily from...
  • HIGH ALTITUDE & FREEZE PROTECTION: This RV propane water heater is equipped with a 1.22 mm fuel nozzle for reliable ignition at high altitudes and low gas pressure. Its thickened 1.5 kg copper pipes provide freeze protection, preventing cracks and leaks...
  • CHILD-SAFE LOCK & EASY INSTALLATION: Designed with a child-safe lock for added safety and theft protection. This camper water heater fits most RVs, with a standard 13 x 13 inch opening and a 15 x 15 inch door, saving valuable interior space. It is easy to...
  • COMPLETE ACCESSORIES & RELIABLE SUPPORT: Includes everything needed for easy setup and use, including 1 RV tankless water heater, 1 controller, 1 shower kit, 2 keys, and 1 user manual. The Xenjum RV hot water heater is backed by a 24-month warranty and a...
SaleNo. 8
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.
  • SPECIFICATIONS: Product Dimensions - 16.22" x 16.22" x 20.50"; Cutout Dimensions - 16.38" x 16.38" x 20.50". BTU/h - 12,000. Optional electric element input - 1,440. Recovery rate electric only (Gallons/Hour) - 6.1; Recovery rate gas only (Gallons/Hour...
No. 9
Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Instant Hot Water, 12V Powered, High Altitude...
  • ๐ˆ๐ง๐ฌ๐ญ๐š๐ง๐ญ ๐‚๐จ๐ง๐ญ๐ข๐ง๐ฎ๐จ๐ฎ๐ฌ ๐‡๐จ๐ญ ๐–๐š๐ญ๐ž๐ซ โ€” ๐Œ๐จ๐ซ๐ž ๐๐จ๐ฐ๐ž๐ซ, ๐Œ๐จ๐ซ๐ž ๐…๐ฅ๐จ๐ฐ: Powered by a 65,000 BTU high-output burner, this unit heats water faster...
  • ๐„๐š๐ฌ๐ฒ ๐‘๐ž๐ฉ๐ฅ๐š๐œ๐ž๐ฆ๐ž๐ง๐ญ: Fits standard RV cutouts and replaces most Suburban & Atwood 6/10/12-gallon tank water heaters with a 12.8" ร— 12.8" opening. Exterior door not included; optional door kits...
  • ๐„๐ง๐ก๐š๐ง๐œ๐ž๐ ๐Ÿ๐จ๐ซ ๐˜๐จ๐ฎ๐ซ ๐‚๐จ๐ง๐ฏ๐ž๐ง๐ข๐ž๐ง๐œ๐ž: The upgraded multi-function remote provides real-time visibility into gas consumption, voltage, water flow (GPM), and anti-freeze activation, and...
  • ๐’๐š๐Ÿ๐ž & ๐‘๐ž๐ฅ๐ข๐š๐›๐ฅ๐ž: Designed with a top-mounted exhaust fan to ensure stable combustion, plus flame failure protection with automatic gas shut-off. The integrated anti-freeze function activates below 42.8ยฐF to protect...
  • ๐ˆ๐๐ž๐š๐ฅ ๐…๐จ๐ซ: Full-time RVers who need reliable hot water, campers who enjoy extended showers, Cold climate travelers who need freeze protection and families or multiple users who need simultaneous hot water use.
  • ๐‘๐•-๐‘๐„๐€๐ƒ๐˜ ๐ƒ๐„๐’๐ˆ๐†๐ & ๐Ÿ๐Ÿ๐• ๐๐Ž๐–๐„๐‘๐„๐ƒ: 12V DC powered system integrates with RV electrical setups and supports common RV plumbing connections โ€” designed specifically for rv living and travel...
  • ๐Ž๐ฑ๐ฒ๐ ๐ž๐ง-๐…๐ซ๐ž๐ž ๐‚๐จ๐ฉ๐ฉ๐ž๐ซ ๐Ÿ๐จ๐ซ ๐ƒ๐ฎ๐ซ๐š๐›๐ข๐ฅ๐ข๐ญ๐ฒ & ๐„๐Ÿ๐Ÿ๐ข๐œ๐ข๐ž๐ง๐œ๐ฒ: Built with an oxygen-free copper heat exchanger, this RV hot water heater delivers fast...
SaleNo. 10
APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Hot Water with Black Door&Remote, 12V...
  • Instant Hot Water Supply: Experience the luxury of endless hot water with our RV water heater. With a powerful 68,000 BTU output, it delivers 3.9 GPM of hot water for long shower time, even in 0.55 GPM ultra-low startup. Ensuring you never run out during...
  • Quick Installation Design for RVs: Measuring 14.96 x 14.96 x 14.18 inches, its compact design fits most RV installation spaces without taking up too much valuable interior space. Opening 12.6 x 12.6 inches also can replace Suburban & Atwood or others...
  • High-Altitude Performance & Safety Features: Designed for adventure, our RV tankless water heater propane operates efficiently at altitudes up to 9,800 feet (2,987 meters). The high-performance fan and advanced combustion technology ensure reliable hot...
  • Built-in intelligent freeze protection automatically activates in low temperatures. Please note: Ensure the RV remains ventilated and powered in low-temperature environments. The water heater's automatic freeze protection activates at 2ยฐC (35.6ยฐF) to...
  • Built-in Safety Features: Equipped with a 203 PSI pressure relief valve, this RV water heater includes multiple safety functions such as flame-out protection, gas leak protection, and freeze protectionโ€”keeping you safe in all conditions. It's CSA...
  • Energy-saving & Precise Temperature Control: The smart staged combustion control only uses the power needed, so no gas is wasted. That means your propane cylinders last longer, you refill less often, and you save on fuel costs. This RV tankless water...

Last update on 2026-07-17 / 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.