The 8 Best tankless water heater for travel trailer of 2025

Are you trying to find tankless water heater for travel trailer among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling tankless water heater for travel trailer on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 27 hours of research and did 33 tankless water heater for travel trailer tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

No. 1

RV Tankless Water Heater Propane Gas, with 15"x15"...

SaleNo. 2

RUNSAIL® [Upgraded Version] RV Tankless Water...

No. 3

RV Tankless Water Heater, 55000 BTUs Propane Gas...

The best tankless water heater for travel trailer you can buy today

No. 1

RV Tankless Water Heater Propane Gas, with 15"x15" White Door and Remote Controller, DC 12V, 7×24 Technical Support, High Altitude, Easy Installation, Compatible with All RVs,ECO 42,White

Instant Hot Water Supply—RV tankless water heaters are better than traditional tank water heaters by delivering a constant,uninterrupted stream of hot water for multiple showers without preheating.RV tankless water heaters eliminate the frustrating 20 to 30 mins waiting time for hot water during your shower,ensuring you can enjoy hot water whenever needed.Moreover,the RVPart Pro tankless RV water heater uses propane for heating,so you won't be worried about running out of electricity in your RV.
High-Performance Technology — With a 42,000 BTU output power, an oxygen-free copper heat exchanger, and a brushless DC fan, this RVPart Pro tankless water heater for RV is engineered for high-altitude use (Canada > 4500 feet, USA > 5000 feet) and employs segmented combustion to prevent overheating during the summer months, ensuring high energy efficiency and maximum comfort.
User-Friendly Operation — The built-in microcomputer control panel makes temperature adjustment convenient, allowing you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. The RVPart Pro camper hot water heater also offers error codes for easy troubleshooting.
Compact and Lightweight Design — The RVPart Pro RV on-demand water heater is compact and lightweight, with a 15" x 15" door size and 13" x 13" opening size, making installation a breeze even in tight spaces.
Safety and Reliability — Certified by CSA and having 24 months of service, RVPart Pro RV instant hot water heater offers peace of mind with its top-notch safety features, including a built-in forced exhaust fan, stable combustion, freeze protection and automatic gas shut-off in case of accidental extinguishing.

SaleNo. 2

RUNSAIL® [Upgraded Version] RV Tankless Water Heater, 65,000 BTU,Max 3.96 GPM, 15 x 15 Inches White Door, Build-in Pressure Relief Valve, Winter-Summer Mode Can be Switched Manually or Automatically

【Easy Installation】：The opening is 13 x 13 inches and the door is 15 x 15 inches. It can replace Sub*** and other tank water heaters, as well as Gir*** and Fur***'s tankless RV water heaters.At the same time, the included instructions and hardware make installation simple.The connecting wires of the wire controller is 10 feet long, not need to buy a battery, plug and play.
【New Upgraded】：This upgraded RV water heater improves the pressure-bearing capacity of the waterway system. At the same time, It has a built-in pressure relief valve that complies with ANSI & CSA standards. While ensuring safety and machine lifespan, it also avoids frequent dripping and pressure relief of the pressure relief valve. The installation of the water heater will also be simpler,You don't have to buy and install relief valve separately.
【High Heating Power】：RUNSAIL RV tankless water heater propane provides hot water instantly. With 65K BTU, it can generate a maximum of 3.96GPM. It can support 2-3 faucets simultaneously and minimum water inlet pressure at start-up is 9.5PSI, ideal for RV with low water pressure.
【Energy Efficiency】：Tankless design saves RV space and is eco-friendly. This water heater is over 90% energy efficient, saving you money in the long run. Tankless water heaters tend to last twice as long as regular tank water heaters.
【Water Temp is Precisely Controlled】：Temperature ranges from 95°F-123°F. This RV hot water heater with temperature fluctuation eliminates technology that can eliminate the rising temperature to avoid scalding injuries. 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.
【No waiting】：Tankless water heaters are better than tanked water heaters for continuous showering of multiple people.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.
Note: Every water heater product from RUNASAIL has undergone strict factory testing, so there is no need to worry about error codes. This generally indicates that one of the water pressure, water flow rate, voltage, current, etc. inside the RV does not meet the normal usage requirements. After correction, it can be used normally with confidence. In addition, tankless water heaters require the faucet to be turned on for the water heater to automatically ignite and produce hot water.

No. 3

RV Tankless Water Heater, 55000 BTUs Propane Gas RV Instant Hot Water Heater with Showerhead Kit, 3.9 GPM RV Water Heater with 16 x 16 inch Door and Remote Controller, 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. 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. 4

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.

SaleNo. 5

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

POWERFUL PERFORMANCE — At 42,000 BTUs, this continuous hot water heater provides optimal performance for RV plumbing. The quiet, brushless motor runs on 12V power that operates at less than three amps for a nearly noiseless operation
CONSISTENT TEMP — The onboard microprocessor monitors incoming cold water temperature, flow rate and outgoing hot water temperature to maintain a steady water flow. It also regulates the burner to maintain a consistent temperature, preventing cold spots and scalding water
HIGHLY EFFICIENT — The Girard RV tankless water heater consumes half the LP gas that a six-gallon tank water heater would consume for the same amount of hot water
INTELLIGENT CONTROL — With a digital user control panel, you can adjust the temperature setting from 95 to 124°F, toggle between Fahrenheit and Celsius, get a continuous water outlet temperature reading and more. For easy troubleshooting, the control panel also displays error codes if issues arise
Professional Installation is strongly recommended

No. 6

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)

Model: ST-60
Flame Out Protection is a safety feature that will cut gas the supply immediately due to low propane pressure or burner malfunction
Automatic Fan Monitoring cuts gas supply should the air flow or combustion air supply be interrupted
Scald Protection is managed through an internal high temperature kill switch to protect against a thermostat malfunction

SaleNo. 7

OEVANT RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16x16 inch Door＆Front Water Outlet,Propane Gas, DC 12V, CSA Certificated, Compatible with All RVs-Black

Instant Hot Water Supply- OEVANT 55,000 BTU RV Water Heater provides a constant flow of hot water for multiple showers without preheating. The RV water heater reaches 51°C in less than 25 seconds. Save time and don't wait too long for warm water!
High-Performance Technology-RV water heater uses advanced staged combustion technology to keep water temperatures stable and prevent overheating, ensuring comfortable and efficient hot water on all your adventures.Moreover, OEVANT RV water heater uses propane for heating, so you won't be worried about running out of electricity in your RV.
User Friendly Operation - Adjusting the temperature is easy with the built-in microcomputer control panel, which allows you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. It also provides error codes for easy troubleshooting
Compact and Convenient - The OEVANT RV Water Heater is compact and lightweight with a 16‘ x 16’ door and 13‘ x 13’ opening, and a front-mounted water outlet that makes showering, rinsing, and pet bathing easy!
Safety and Reliability - OEVANT RV water heaters offer protection in all situations to ensure top safety and reliability, giving you peace of mind, including a built-in forced exhaust fan, stable combustion, anti-freeze protection and automatic gas shut-off in the event of an accidental flame failure.
Endless Hot Water-With the OEVANT RV water heater, your family and friends can enjoy constant hot water at any time while travelling, 55,000 BTUs high power output, providing smooth water flow and stable temperature, ±1℃ Intelligent thermostat, Compatible with All RVs and Campers

No. 8

Etespie RV Tankless Water Heater, 55,000BTU RV Hot Water Heater Propane with 15 x 15 inches White Door and Remote Controller, 2.9 GPM Gas Propane Water Heater,DC 12V Power,for all RVs

【Replaceable RV Water Heaters】This RV tankless water heater compatible with most RVs, featuring an opening size of 13" x 13" and an accompanying door size of 15" x 15". PS: The product offers a 3-year product usage tracking service; should any issues arise, you can contact our professional service team, which is on standby 24 hours
【Cutting-Edge Technology】The tankless rv hot water heater provides a continuous supply of hot water, equipped with advanced features such as a powerful 55,000 BTU output, oxygen-free copper heat exchanger, ceramic honeycomb energy ring, and brushless DC fan, ensuring that you always have access to hot water. Moreover, the tankless RV water heater utilizes propane heating, ensuring uninterrupted use even during power outages.
【High-Altitude Compatibility】The high-altitude mode allows the machine to operate smoothly even when the RV is driven to plateaus at an altitude of 9800 ft. The segmented combustion technology controls the flame size during summer, preventing excessive water temperature and conserving the limited propane gas available during RV travels.
【Constant Water Temperature】The temperature range is 95°F-124°F, ensuring that the water does not overheat due to brief on-off operations. The segmented combustion technology controls the flame size during summer, preventing excessive water temperature and conserving the limited propane gas available during RV travels. Our mixing valve utilizes spiral mixing technology, and an AI control chip intelligently adjusts according to the set parameters, allowing you to achieve the desired temperature.
【Multiple Protections】The on demand water heater features multiple protection functions, including a built-in forced exhaust fan at the top, stable combustion, automatic gas cut-off to prevent accidental, and frost protection. Additionally, we have dedicated production line senior engineers online to provide necessary installation technical support and a 36-month return and exchange service.

No. 9

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.

No. 10

Xenjum RV Tankless Water Heater, 65,000 BTU Instant RV Hot Water Heater with Showerhead Kit, 12V Camper Water Heater Propane with Double Water Outlet & Remote Controller

ENDLESS HOT WATER ON DEMAND: With a 65,000 BTU output, it can produce 3.9 GPM of hot water per minute. Unlike traditional tank water heaters, you don't have to waste 20-30 minutes waiting for hot water, so you can enjoy hot water whenever you want. Experience continuous hot water with our RV tankless water heater, ensuring you never run out while showering or washing.
UNIVERSAL FIT: This RV tankless water heater fits 13-14.55 x 13-14.55 inch openings and comes with a widen 16.25 x 16.25 inch door, which accommodates a wider range of cutout sizes and provides greater security than the standard 15 x 15 inch door. It is compatible with Suburban and Atwood 4-gallon/6-gallon tank water heaters, as well as Suburban, Girard and Furrion tankless models. Enjoy a seamless upgrade to your motorhome's hot water system.
DUAL WATER OUTLETS & SHOWER KIT INCLUDED: This RV water heater features both front and rear water outlets, providing convenient hot water access for indoor and outdoor RV use. Perfect for everything from indoor showers to outdoor rinsing and cleaning. We've included a complimentary shower kit with the water heater, giving you everything you need for a seamless and convenient setup.
CUSTOMIZABLE TEMPERATURE & THERMOSTATIC CONTROL: Set your desired water temperature between 95°F and 124°F on the camper hot water heater. The built-in microcomputer control system ensures the output water temperature stays exactly as selected, providing a stable and comfortable hot water experience every time.
VERSATILE DIGITAL CONTROL PANEL: The RV tankless water heater's user-friendly digital control panel allows you to easily adjust temperature, monitor real-time temperature and voltage, switch modes, etc. For added safety and troubleshooting convenience, the panel displays error codes when problems occur and an error code guide is conveniently located on the water heater.
PROFESSIONAL SAFETY DESIGN: ① Flame Out Protection: Automatically shuts off gas if the water heater flames out, preventing leaks. ② Leak Protection: Stops combustion and shuts off if water supply is interrupted or outlet valve is closed.③ Frost Protection: Displays fault codes for problems and automatically clears them after 15 minutes.④ Automatic fault diagnosis and fault code display function: Detects faults and safely shuts down when necessary.
SAFETY & RELIABILITY: You will receive RV Tankless Water Heater*1, Shower Head Set*1, Remote Controller*1, Key*2, User Manual*1. Xenjum RV tankless water heater is CSA certified, ensuring it meets high safety and performance standards. We also offer a 36-month warranty for peace of mind, along with dedicated support from our professional technical team to assist you with any questions or issues.

No. 11

RV Tankless Water Heater, 55000 BTUs RV Instant Hot Water Heater with Showerhead Kit, 3.9 GPM Propane Gas RV Water Heater with 16 x 16 inch Door and Remote Controller, 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. 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. 12

SANAUGAS Portable Propane Water Heater Tankless, 1.45GPM 5.5L Instant Hot Water Heater, Outdoor Use for RV, Camper Van, Travel Trailer, Cabin, Pool, Barn, White

【Instant Hot Water】 Featuring by instant hot water output, tankless water heater is ideal water heater for you use. LED display is available to show power status. 6-in-1 protection ensures you a safe and comfortable bathing experience, including flame failure protection, dry combustion protection, overheat protection, high Water pressure protection, anti-freezing protection and low water flow protection
【Comfortable Bathing Experience】1.45 gallons of hot water can be produced per minute at the flow rate of 1.45 GPM. Maximum Power Output: 38,000BTU/Hour. With 3.6 PSI minimum water pressure, our rv water heater is suitable for any low-water-pressure area, like country, farm, etc.
【Portable Design】With sleek and portable design, thetankless water heater propane is easy to carry. A good choice for you to enjoy an amazing hot shower after a long day of camping. Dimensions: 12” x 6” x 15”. Weight: 11 pounds. Powered by 2 pieces “D” cell batteries (need purchase separately)
【Easy to Install】Installation is easy with user manual and installation kits provided for our water heater. Package includes: garden connector x2, quick coupler x1,water hose with quick couplings, expansion screws x2, screws x5, expansion pipe x5, triple function shower head x1, easy wrench x2, pressure reducing valve x1
【After-sale Services】We prioritize customers’ satisfaction, should you have any question while using our instant hot water heater, please feel free to contact us. As a portable and easy-to-use propane water heater, our water heater can be used outdoors and indoors in a well ventilated area

No. 13

FOGATTI RV Tankless Water Heater, 66,000 Highest BTU, InstaShower 9 Pro, Gen 3, RV Hot Water Heater, Built-in Mixing Tank, 15x15 Inches Black Door, Remote Controller, Ideal for Everyday Use by RVers

Gen 3 RV Tankless Water Heater: The 3-generation InstaShower RV water heater now boasts 66,000 BTU and supplies hot water at up to 3.6 GPM. This allows simultaneous use in the RV's bathroom and kitchen with plenty of capacity. Unlike traditional tank water heaters, it provides a stronger flow for single users and eliminates waiting time when multiple people are showering.
Pushing Performance Limits: FOGATTI RV tankless water heater, equipped with a high-quality heat exchange system, operates smoothly even at altitudes of 9,800 feet. The upgraded NIDEC fan delivers 300Pa of power, ensuring hot water supply even in winds up to 9 on the Beaufort scale.
Upgraded Alternative to Tank Water Heaters: Fogatti RV water heater is versatile and fits various applications. With a 13 x 13 inch opening, it can replace Suburban & Atwood 6-gallon tank water heaters and Girard & Furrion tankless water heaters. To replace a 10-gallon tank water heater, retrofit it with an 18 x 18 inch door.
Unparalleled Bathing Experience: The RV tankless water heater delivers instant hot water at 3.6 GPM with precise temperature control within ±1℉. The burner adapts to the season: two rows of flames in summer to prevent overheating, and all five rows in winter to ensure warmth. The mixing tank further stabilizes extreme temperatures.
Save Money and Effort: Fogatti cares about your convenience and has included a 150 PSI pressure relief valve, so you don't need to purchase and install it separately. Additionally, it comes with a 15 x 15-inch door, a 17.64 x 17.64-inch trim ring, and an intelligent remote controller that can be used up to 6.6 feet away.
Safety and Reliability: We have included a filter screen to remove large particles of dust and sand from the water. The product is CSA certified and features multiple safety measures, including a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off in case of flame failure, and anti-freeze protection.

No. 14

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.

No. 15

RV Tankless Water Heater-65,000 BTU RV Propane Water Heater-CSA Certificated-3.9 GPM Instant RV Water Heater with 15 x 15 inches White Door and Remote Controller, 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 RV 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. 16

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(White)

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 of rv water heater 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 - Save space without sacrificing comfort with our RV tankless water heater’s compact and lightweight design with door dimensions of 15" x 15" and an opening of 13" x 13", leaving more room for your gear and essentials
𝐄𝐧𝐝𝐥𝐞𝐬𝐬 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 - Designed to handle the demands of RV living, the 3.9 GPM flow rate ensures steady performance, even for larger families or high-demand situations. No more interruptions—just a reliable, smooth flow that adds comfort and convenience to your travels.
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
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

SaleNo. 17

RV Tankless Water Heater Propane Gas, RVPart Pro, with 15"x15" Black Door and Remote Controller, DC 12V, 7×24 Technical Support, High Altitude, Easy Installation, Compatible with All RVs,GT42,Black

Instant Hot Water Supply—RV tankless water heaters are better than traditional tank water heaters by delivering a constant,uninterrupted stream of hot water for multiple showers without preheating.RV tankless water heaters eliminate the frustrating 20 to 30 mins waiting time for hot water during your shower,ensuring you can enjoy hot water whenever needed.Moreover,the RVPart Pro tankless RV water heater uses propane for heating,so you won't be worried about running out of electricity in your RV.
High-Performance Technology — With a 42,000 BTU output power, an oxygen-free copper heat exchanger, and a brushless DC fan, this RVPart Pro tankless water heater for RV is engineered for high-altitude use (Canada > 4500 feet, USA > 5000 feet) and employs segmented combustion to prevent overheating during the summer months, ensuring high energy efficiency and maximum comfort.
User-Friendly Operation — The built-in microcomputer control panel makes temperature adjustment convenient, allowing you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. The RVPart Pro camper hot water heater also offers error codes for easy troubleshooting.
Compact and Lightweight Design — The RVPart Pro RV on-demand water heater is compact and lightweight, with a 15" x 15" door size and 13" x 13" opening size, making installation a breeze even in tight spaces.
Safety and Reliability — Certified by CSA and having 24 months of service, RVPart Pro RV instant hot water heater offers peace of mind with its top-notch safety features, including a built-in forced exhaust fan, stable combustion, freeze protection and automatic gas shut-off in case of accidental extinguishing.

No. 18

Tankless Water Heater Electric for Sink Faucet, thermomate 3500W 120V Small Point of Use Instant Hot Water Heater with Temperature Display, Self-modulating, ETL Certified

[Instant Sink Hot Water] - 3500W power heating system provides on demand hot water in seconds for point-of-use applications, perfect for under / over sink faucet. Temperature range from 86°F - 131°F. 24 Hours standby. 0.4GPM-0.66GPM
[Self-modulating Power] - Regulating the amount of energy required to heat water only when you need it with 99.8% efficient. 110-120V Hardwired
[Long-lasting Quality] - Cast aluminum heating element separated from water line, significantly reducing scale, corrosion and mineral buildup. SUS 304 stainless steel water tube
Sleek Compact Size - 7.9" x 6.4" x 2.5", Small water heater fit in tight places within your home or business, like under cabinets and sinks, hair salons, bar counters and hotel receptions, saving valuable storage space
Touch control panel and digital temperature display allowing adjustment in 1° increment. IP25 waterproof, Standard 1/2"NPT pipe fitting, pre-wired pigtail for easy installation
Important Note - Please verify this unit is the right size for you: 3.5kW 120V ONLY Hardwired, requiring 32A Double Pole Circuit Breaker, 10AWG min wire size and 1/2"NPT water connections

No. 19

Poukaran RV Tankless Water Heater, 55000 BTUs RV 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—RV tankless water heaters are better than traditional tank water heaters by delivering a constant,uninterrupted stream of hot water for multiple showers without preheating.RV tankless water heaters eliminate the frustrating 20 to 30 mins waiting time for hot water during your shower,ensuring you can enjoy hot water whenever needed.Moreover,the tankless RV water heater uses propane for heating,so you won't be worried about running out of electricity in your RV.
High-Performance Technology — With a 55,000 BTU output power, an oxygen-free copper heat exchanger, and a brushless DC fan, this tankless water heater for RV is engineered for high-altitude use and employs segmented combustion to prevent overheating during the summer months, ensuring high energy efficiency and maximum comfort.
User-Friendly Operation — The built-in microcomputer control panel makes temperature adjustment convenient, allowing you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. The camper hot water heater also offers error codes for easy troubleshooting.
Compact and Lightweight Design — The RV on-demand water heater is compact and lightweight, with a 15" x 15" door size and 13" x 13" opening size, making installation a breeze even in tight spaces.
Safety and Reliability — Certified by CSA and having 24 months of service, RV instant hot water heater offers peace of mind with its top-notch safety features, including a built-in forced exhaust fan, stable combustion, freeze protection and automatic gas shut-off in case of accidental extinguishing

No. 20

Tankless Water Heater Propane, Outdoor 6L 1.58 GPM Portable Water Heater with Handle, On Demand Hot Water Heater with Overheating Protection, Camping Water Heater for RV Cabin Barn Camping Boat

【Ultra Slim Design】 6L portable water heater product size 11.8 (L) x 5.3(W) x 17.3 (H) inches, only weight 12lb. The compact design is suitable for carrying on the go. This outdoor water heater comes with foldable handle, easy to hang and store. Package includes 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose adapter, and 1 installation hardware pack. It only takes you a few minutes to install it.
【Endless Instant Hot Water】 Maximum power output 40,000BTU/Hr. Get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water ﬂows with your desired temperature. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM. Low water pressure start up, just need 2.5 PSI of water pressure to start.
【6-in-1 Protection & CSA Safety Approved】 This propane water heater with CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device. Superior manufacturing quality ensures reliable and long-lasting performance.
【Idea for Off-Grid】The camping water heater runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be utilized while camping, in RV, hunting, poolside, washing pets or horses, cleaning a vehicle, or even in a tiny house, greenhouse, or cabin. No more chilly outdoor shower anymore.
【Important Tips】To avoid gas leakage caused by improper sealing of the gas water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The on demand hot water heater will "caught on fire "with improper operation. Always check gas leakage before operation. Our rv water heater is designed for portable outdoor use, however, prolonged exposure to rain/water will damage theinternal components. We recommend using and storing your water heater in a dryplace. For the winter, please drain out the wate by disconnecting the drain plug and store it in the warm and dry area.

How to choose a good tankless water heater for travel trailer

Does the idea of finding a fantastic tankless water heater for travel trailer make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in tankless water heater for travel trailer. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top tankless water heater for travel trailer products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top tankless water heater for travel trailer on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top tankless water heater for travel trailer brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top tankless water heater for travel trailer based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings: Would it be accurate to suggest that the tankless water heater for travel trailer were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good tankless water heater for travel trailer, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your tankless water heater for travel trailer.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting tankless water heater for travel trailer for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our tankless water heater for travel trailer. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what tankless water heater for travel trailer should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on tankless water heater for travel trailer.

Tyla Bains

Tyla Bains was born in Canada and raised in British Columbia. She graduated from Simon Fraser University with a degree in English Literature and Creative Writing. Her passion for writing started at a young age, where she wrote her first poem at the age of five. She now works as a freelance writer and enjoys writing about topics related to lifestyle, business, and education. When not working, she loves spending time with her family and friends.

All Posts

The 8 Best tankless water heater for travel trailer of 2025

An overview of our top picks

Table of contents

The best tankless water heater for travel trailer you can buy today

How to choose a good tankless water heater for travel trailer

Why should you believe us?

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The 8 Best tankless water heater for travel trailer of 2025

An overview of our top picks

Table of contents

The best tankless water heater for travel trailer you can buy today

How to choose a good tankless water heater for travel trailer

Why should you believe us?

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