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Best Tankless Rv Water Heaters

From leading brands and best sellers available on the web.
#1

Winner

Ranein 65,000 BTU RV Tankless Water

Ranein

editor-choice-ribbon

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

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#2
FOGATTI RV Tankless Water Heater, I

FOGATTI

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

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#3
FOGATTI RV Tankless Water Heater, I

FOGATTI

FOGATTI RV Tankless Water Heater, InstaShower 7, Gen 2, with 15 x 15 inches Black Door and Remote Controller, DC 12V, Optimized Summer Comfort Performance, Ideal for RVers' Family Use

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#4
RV Tankless Water Heater without Do

KINGRVER

20%OFF

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

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#5
RV Tankless Water Heater Propane Ga

RVPart Pro

10%OFF

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

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#6
GIRARD Tankless RV Water Heater, 12

GIRARD

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

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#7
FOGATTI RV Tankless Water Heater, 6

FOGATTI

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

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#8
CAMPLUX 1.32 GPM Portable Water Hea

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX 1.32 GPM Portable Water Heater, 5L Tankless Water Heater Propane Outdoor, AY132BN, Black

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#9
CAMPLUX Tankless Water Heater, 2.11

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater, 2.11GPM Portable Water Heater for Camping, 55,000 BTU Propane Hot Water Heater Outdoor, BW211G, Grey

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#10
Xenjum RV Tankless Water Heater 65,

Xenjum

20%OFF

Xenjum RV Tankless Water Heater 65,000 BTU - Propane Instant Hot Water Heater for RV/Camper Van with Showerhead Kit, 12V On-Demand System, Dual Water Outlet & Remote Controller

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Buying Guide for the Best Tankless Rv Water Heaters

Choosing the right tankless RV water heater can significantly enhance your comfort while traveling. Unlike traditional water heaters, tankless models provide hot water on demand, which means you don't have to wait for a tank to heat up. This can be particularly useful in an RV where space and resources are limited. To make an informed decision, it's important to understand the key specifications and how they align with your needs.
Flow RateFlow rate, measured in gallons per minute (GPM), indicates how much hot water the heater can produce at a time. This is crucial because it determines whether you can run multiple fixtures simultaneously without losing hot water. For instance, a flow rate of 2-3 GPM is typically sufficient for one shower or a sink, while 4-6 GPM can handle multiple fixtures. Consider your usage patterns: if you often use hot water in more than one place at a time, opt for a higher flow rate.
Fuel TypeTankless RV water heaters can be powered by propane, electricity, or a combination of both. Propane models are popular for their efficiency and ability to heat water quickly, making them ideal for off-grid use. Electric models are easier to install and maintain but may require a significant power supply, which can be a limitation in some RVs. Dual-fuel models offer flexibility but can be more expensive. Choose based on your RV's power setup and your travel habits.
Energy EfficiencyEnergy efficiency is measured by the unit's energy factor (EF), which indicates how well the heater converts fuel into hot water. A higher EF means better efficiency and lower operating costs. For RVs, where conserving energy is often a priority, look for models with a high EF rating. This not only saves fuel or electricity but also reduces your environmental footprint.
Size and WeightThe size and weight of the tankless water heater are important considerations, especially in an RV where space is limited. Compact and lightweight models are easier to install and fit into tight spaces. However, ensure that the unit is still powerful enough to meet your hot water needs. Measure the available space in your RV and compare it with the dimensions of the heater to ensure a proper fit.
Temperature ControlTemperature control features allow you to set and maintain your desired water temperature. Some models offer digital displays and precise temperature settings, which can enhance comfort and prevent scalding. Basic models may have manual controls that are less precise but still functional. Consider how important precise temperature control is for you and choose a model that offers the level of control you need.
Installation and MaintenanceEase of installation and maintenance can vary between models. Some tankless water heaters are designed for DIY installation, while others may require professional help. Maintenance features, such as easy access to components and self-cleaning functions, can prolong the life of the unit and reduce the need for repairs. If you're handy and prefer to do things yourself, look for user-friendly models. Otherwise, consider the availability of professional service options.