19 Best Electric Tankless Water Heater for RV in 2024

Summary

Image
Model
Features
Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater
  • Provide endless hot water on demand and just as required
  • Save approximately 60% on electrical power costs for water heating
  • Compact style conserves area and is simple to set up practically anywhere
  • No electrical connection is needed, so it’s the best option for those houses experiencing frequent power failures
  • Limitless hot water whenever is needed
  • 5-year
  • Permits water temperature to be controlled
Rinnai RU80EN Ultra-NOx tankless water heater
  • Not fabric
  • Imported
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Up to 97-Percent Thermal Efficiency
  • Pre-set at 120-DegreeF
  • Natural Gas and Propane Models Available
  • Satisfies California and Texas NOx Emissions Standards
Camplux 10L Outdoor 2.64 GPM Digital Display Portable Propane Gas Tankless Water Heater
  • Eco/Full switch function, conserve more gas in the summertime time
  • CSA accredited screening standard ensures your safety. 
  • Light and compact weight structure with 11.5% energy-saving innovation. 
  • Maximum power output 68,000 BTU/hour, get instantaneous limitless warm water easily where you are.
  • Camplux water heater comes with everything you need, including CSA authorized gas regulator and required adapters.
EZ 101 Tankless Water Heater
  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included
  • Great for use at camping areas, while fishing, while searching, or anywhere warm water is required.
  • Easy Portability – Only 14 LBS
PrecisionTemp RV-550 Tankless Water Heater
  • Created particularly for RVs, trailers, tiny houses, cabins, mobile washing services, and more
  • Takes up 1/2 the area and weighs 1/3 as much as a 10-gallon tank
  • No pilot burner and really high gas efficiency
  • Dependable, tested VariFlame innovation control system
  • Created, put together and tested in the USA
Eccotemp i12-LP water heater, 4 GPM, Black
  • Entire house indoor, gas-powered tankless water heater, ranked at 4 GPM that activates just as needed and no pilot light required, lowering energy intake.
  • Smooth, contemporary design with the black tempered glass front panel featuring an easy to use LED display screen controls
  • Functions completely automated temperature controls with an energy-conserving mode and child-lock technology.
  • Safe electronic ignition system
  • Uses standard 1/2″ NPT water fittings and comes with horizontal venting enabling a hassle-free and fast setup
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)
  • Convenient warm water heating system
  • Long-lasting quality
  • Independent setup
  • Quick recovery rate
  • Easily installed
Suburban Manufacturing SW6DE RV WTR HTR 1 PK
  • 6-gallon water tank.
  • 12,000 BTU score.
  • Weight: 32.9 pounds.
  • D- 12 Volt DC Direct Spark Ignition Gas Heating System.
EZ 202 Tankless Water Heater
  • Easy Portability – Only 15 LBS.
  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included.
  • Great for usage at camping areas, while fishing, while hunting, barns or anywhere hot water is needed.
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters
  • Entire house indoor, gas-powered tankless water heater, rated at 3.6 GPM, triggers just when in use, making it an energy saver.
  • For indoor installation with the safe, efficient power ventilation and perfect for any small house, cabin, apartment, or condo.
  • Easy to check out digital temperature level display, on a compact and space-saving design with minimal sound output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cable.
EcoSmart ECO 11 Electric Tankless Water Heater
  • Lifetime guarantee.
  • Conserve approximately 60-per cent on your water heating cost with an ECOSMART electric tankless water heater.
  • Never run out of warm water with an ECOSMART tankless water heater.
  • Trademarked Self Modulating Technology and style.
  • ECOSMART tankless water heaters are 99.8-per cent energy efficient. Uniform Energy Factor:0.98.
Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White Door
  • Loading direct trigger ignition, the water heater from Suburban easily provides warm water to applications. With Suburban SW6DE on your rig, you could take a hot shower whenever you desire convenient.
  • Compared to its cousin, the Suburban model functions a relatively fast recovery rate, so you do not have to worry about fast water cycles.
Suburban - 5117A Water Heaters 6 Gallon
  • High-recovery 12,000 BTU/hour designs offer porcelain steel tank, foam insulation, large diameter drain and replaceable anode rod to take in corrosive electrolysis action.
  • One-piece, die-formed housing secures controls and connections yet provides easy access. Fits cut-out openings of previous designs.
  • Gain access to the door and frame set up easily on any type of Recreational Vehicle side. The U.S.A.
Atwood Mobile Products 96110 Pilot Ignition Water Heater - 6 Gallon
  • Capability is a 6-gallon liquid propane gas.
  • Input is 8,800 British thermal units.
  • Recovery rate is 7.4 gallons per hour.
  • Shipping Weight is 25-pound mass.
Chronomite SR-20L/120 HTR SR Series Instant Low Flow Tankless Water Heater+
  • Temp Rise At 0.40 GPM: 41 Degrees F.
  • Designed for under sink hardwiring, horizontal installation.
  • Two mounted chrome compression fittings.
  • Rear electric knock-out. Temperature. Variety 90 Degrees to 120 Degrees F.
  • 3/8-Inch cold water inlet and outlet connections.
Stiebel Eltron 220816 3.0 kW
  • Very compact design conserves space.
  • Significant energy cost savings.
  • Endless supply of warm water.
  • Smooth style and can be mounted in plain sight.
  • Proven reliability. Warranty: 7 Years Leakage/ 3 Years Parts.
Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater
  • CSA Approved Safety
  • Light-weight Portable Design
  • As Needed Hot Water
  • Energy Saving
GIRARD 2GWHAM Tankless Water Heater
  • Controls the burner to keep the set warm water temperature.
  • NOTE: Water heater door does not consist of and must be bought with Girard’s 2GWHAM Water Heater.
  • 42,000 BTUs which provides the maximum efficiency for a Recreational Vehicle’s pipes.
  • No unique LP gas lines or special plumbing required.
  • 12V power that operates at less than 3A; Freeze protection – designed for winter usage.
Rinnai V65IP Tankless Water Heater
  • Limitless warm water for your whole house.
  • V65iP HE High-Efficiency Tankless Hot Water Heater – Propane: Indoor Setup Just.
  • Approximately 6.5 GPM hot water circulation rate (differs by groundwater temp).
  • Control-R 2.0 mobile app functions timers and schedules throughout the day and allows you to move the system into the getaway mode from another location.
  • Residential Factory Service warranty – 120 months (heat exchanger), 12 months (labour), 60 months (parts).
Summary
Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater
  • Provide endless hot water on demand and just as required
  • Save approximately 60% on electrical power costs for water heating
  • Compact style conserves area and is simple to set up practically anywhere
  • No electrical connection is needed, so it’s the best option for those houses experiencing frequent power failures
  • Limitless hot water whenever is needed
  • 5-year
  • Permits water temperature to be controlled
Rinnai RU80EN Ultra-NOx tankless water heater
  • Not fabric
  • Imported
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Up to 97-Percent Thermal Efficiency
  • Pre-set at 120-DegreeF
  • Natural Gas and Propane Models Available
  • Satisfies California and Texas NOx Emissions Standards
Camplux 10L Outdoor 2.64 GPM Digital Display Portable Propane Gas Tankless Water Heater
  • Eco/Full switch function, conserve more gas in the summertime time
  • CSA accredited screening standard ensures your safety. 
  • Light and compact weight structure with 11.5% energy-saving innovation. 
  • Maximum power output 68,000 BTU/hour, get instantaneous limitless warm water easily where you are.
  • Camplux water heater comes with everything you need, including CSA authorized gas regulator and required adapters.
EZ 101 Tankless Water Heater
  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included
  • Great for use at camping areas, while fishing, while searching, or anywhere warm water is required.
  • Easy Portability – Only 14 LBS
PrecisionTemp RV-550 Tankless Water Heater
  • Created particularly for RVs, trailers, tiny houses, cabins, mobile washing services, and more
  • Takes up 1/2 the area and weighs 1/3 as much as a 10-gallon tank
  • No pilot burner and really high gas efficiency
  • Dependable, tested VariFlame innovation control system
  • Created, put together and tested in the USA
Eccotemp i12-LP water heater, 4 GPM, Black
  • Entire house indoor, gas-powered tankless water heater, ranked at 4 GPM that activates just as needed and no pilot light required, lowering energy intake.
  • Smooth, contemporary design with the black tempered glass front panel featuring an easy to use LED display screen controls
  • Functions completely automated temperature controls with an energy-conserving mode and child-lock technology.
  • Safe electronic ignition system
  • Uses standard 1/2″ NPT water fittings and comes with horizontal venting enabling a hassle-free and fast setup
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)
  • Convenient warm water heating system
  • Long-lasting quality
  • Independent setup
  • Quick recovery rate
  • Easily installed
Suburban Manufacturing SW6DE RV WTR HTR 1 PK
  • 6-gallon water tank.
  • 12,000 BTU score.
  • Weight: 32.9 pounds.
  • D- 12 Volt DC Direct Spark Ignition Gas Heating System.
EZ 202 Tankless Water Heater
  • Easy Portability – Only 15 LBS.
  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included.
  • Great for usage at camping areas, while fishing, while hunting, barns or anywhere hot water is needed.
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters
  • Entire house indoor, gas-powered tankless water heater, rated at 3.6 GPM, triggers just when in use, making it an energy saver.
  • For indoor installation with the safe, efficient power ventilation and perfect for any small house, cabin, apartment, or condo.
  • Easy to check out digital temperature level display, on a compact and space-saving design with minimal sound output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cable.
EcoSmart ECO 11 Electric Tankless Water Heater
  • Lifetime guarantee.
  • Conserve approximately 60-per cent on your water heating cost with an ECOSMART electric tankless water heater.
  • Never run out of warm water with an ECOSMART tankless water heater.
  • Trademarked Self Modulating Technology and style.
  • ECOSMART tankless water heaters are 99.8-per cent energy efficient. Uniform Energy Factor:0.98.
Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White Door
  • Loading direct trigger ignition, the water heater from Suburban easily provides warm water to applications. With Suburban SW6DE on your rig, you could take a hot shower whenever you desire convenient.
  • Compared to its cousin, the Suburban model functions a relatively fast recovery rate, so you do not have to worry about fast water cycles.
Suburban - 5117A Water Heaters 6 Gallon
  • High-recovery 12,000 BTU/hour designs offer porcelain steel tank, foam insulation, large diameter drain and replaceable anode rod to take in corrosive electrolysis action.
  • One-piece, die-formed housing secures controls and connections yet provides easy access. Fits cut-out openings of previous designs.
  • Gain access to the door and frame set up easily on any type of Recreational Vehicle side. The U.S.A.
Atwood Mobile Products 96110 Pilot Ignition Water Heater - 6 Gallon
  • Capability is a 6-gallon liquid propane gas.
  • Input is 8,800 British thermal units.
  • Recovery rate is 7.4 gallons per hour.
  • Shipping Weight is 25-pound mass.
Chronomite SR-20L/120 HTR SR Series Instant Low Flow Tankless Water Heater+
  • Temp Rise At 0.40 GPM: 41 Degrees F.
  • Designed for under sink hardwiring, horizontal installation.
  • Two mounted chrome compression fittings.
  • Rear electric knock-out. Temperature. Variety 90 Degrees to 120 Degrees F.
  • 3/8-Inch cold water inlet and outlet connections.
Stiebel Eltron 220816 3.0 kW
  • Very compact design conserves space.
  • Significant energy cost savings.
  • Endless supply of warm water.
  • Smooth style and can be mounted in plain sight.
  • Proven reliability. Warranty: 7 Years Leakage/ 3 Years Parts.
Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater
  • CSA Approved Safety
  • Light-weight Portable Design
  • As Needed Hot Water
  • Energy Saving
GIRARD 2GWHAM Tankless Water Heater
  • Controls the burner to keep the set warm water temperature.
  • NOTE: Water heater door does not consist of and must be bought with Girard’s 2GWHAM Water Heater.
  • 42,000 BTUs which provides the maximum efficiency for a Recreational Vehicle’s pipes.
  • No unique LP gas lines or special plumbing required.
  • 12V power that operates at less than 3A; Freeze protection – designed for winter usage.
Rinnai V65IP Tankless Water Heater
  • Limitless warm water for your whole house.
  • V65iP HE High-Efficiency Tankless Hot Water Heater – Propane: Indoor Setup Just.
  • Approximately 6.5 GPM hot water circulation rate (differs by groundwater temp).
  • Control-R 2.0 mobile app functions timers and schedules throughout the day and allows you to move the system into the getaway mode from another location.
  • Residential Factory Service warranty – 120 months (heat exchanger), 12 months (labour), 60 months (parts).

For the perfect RVing experience, it is important to have a top-notch RV water heater with you. If you are considering living and traveling in your beautiful RV, it is essential to have the best electric tankless water heater for an RV just like having quality tires. 

Your access to the warm water is fully controlled by this machine. It means that it will definitely impact your dish doing, showering, and laundry capabilities. With that said, we can come up with the logical conclusion that an RV owner must equip his truck with the best electric tankless water heater for an RV.

While shopping for electric tankless water heaters, you will come across various products that aren’t good enough for you. As a matter of fact, some models are very downright terrible, that is why our comprehensive article seems like an essential piece of guidance for you to select the best option.

While guiding you, we will discuss some itemized reviews about the top-rated tankless water heaters along with their pros and cons and some important traits that an ideal model must-have. In this way, the research process will be less complicated and much easier. Keeping this in mind, kindly go on further and let us make this hard experience an easy one for you.

Features to Consider Before Buying an Electric Water Heater

Size

It’s time to break out the tape measure and ensure that there is enough room to fit in an electric tankless water heater. You will be having a lot of space to replace or retrofit an existing classical water heater. It is always preferred to be extra cautious about mounting possibilities and size before installing a tankless heater in a truck that didn’t have one when you purchased it.

Installation Process

Usually, RV owners have to tackle many problems, therefore, the water heater shall not have very complex setups. Try to choose a device that has an installation process that you can easily learn. Plus, confirm that your opted device must have proper accessories for a simple installation such as a user manual, essential adapters, hoses, showerhead, and fittings.

Water flow rate 

Never overlook the water flow rate of the device you are eyeing on. It refers to the amount of warm water that the device supplies per minute. As an RVer, you will be most likely, using the heater for bathing, therefore, get a model that can provide at least 2 and a half gallons of hot water each minute. Such a model is perfect for RVers with families as well.

Durability

If you don’t have the budget to change your water heater every frequently, it is strongly advised to give some consideration to durability. You can tell about the life span of the heater by having a look at its finishes, materials, designs, and so on. You better go for some other device if you get a few signs that hints at an easily compromised integrity and quality.

Cost

Most of the time customers tend towards the products that are fancy and looking luxurious and hence, pay huge cash for them. Later on, they find that the product is useless for them. So, to save yourself from this disaster, be mindful of the cost. See that a particular device matches your wants and needs or not. If it fulfills your requirements, invest in it without a second thought. An electric tankless water heater is a costly investment but it proves to be a worthy one in the long run, especially if you are planning to live for a prolonged time in your RV. 

1Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater

This compact model saves space and enables simple set up just about anywhere. It heats the unrestricted water volume as needed and permits you to regulate the water circulation and gas flow to a better temperature. If you instant and on need want hot water, this is the item for you!

It is also a perfect option for those homes experiencing regular power interruptions since this heating system does not require electrical energy. The 10L unit provides as much as 3.1 Gallons Per Minute, to offer warm water for your house household at multiple points of use!

Features:

  • Provide endless hot water on demand and just as required
  • Save approximately 60% on electrical power costs for water heating
  • Compact style conserves area and is simple to set up practically anywhere
  • No electrical connection is needed, so it’s the best option for those houses experiencing frequent power failures
  • Limitless hot water whenever is needed
  • 5-year
  • Permits water temperature to be controlled
Editor Rating:

Pros

  • Fast shipping
  • Reliable and rugged
  • Basic setup process

Cons

  • Inconsistent operation between systems
  • The handbook is poorly composed

2 Rinnai RU80EN Ultra-NOx tankless water heater

Rinnai’s condensing tankless water heaters deliver more performance than ever before. Offered in four designs, appropriate for the mid-to-large-sized house.

Features:

  • Not fabric
  • Imported
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Up to 97-Percent Thermal Efficiency
  • Pre-set at 120-DegreeF
  • Natural Gas and Propane Models Available
  • Satisfies California and Texas NOx Emissions Standards
Editor Rating:

Pros

  • Hassle-free setup
  • Quiet and efficient
  • Sturdy body

Cons

  • Expensive
  • For outdoors only

3Camplux 10L Outdoor 2.64 GPM Digital Display Portable Propane Gas Tankless Water Heater

Outside life always gives individuals interest, and joy and CAMPLUX outside has that determined. CAMPLUX outdoor is an important part of the JAL Group and dedicated to offering you a simple and effective outdoor lifestyle. With more than 15-years profound experience in the gas and electricity market, the JAL group is becoming one of the leading makers in home appliances. Mobility, energy-saving and development are the three crucial elements of CAMPLUX items. CAMPLUX variety is continuously expanding so eager an eye out for quality, innovative items.

Features:

  • Eco/Full switch function, conserve more gas in summertime time! Likewise works fantastic with Camplux 12V 1.6 GPM water pump.
  • CSA accredited screening standard ensures your safety. The outdoor tankless water heater features flame failure device, anti-freezing defence, overheating protection to enjoy the more enjoyable outdoor shower.
  • Light and compact weight structure with 11.5% energy-saving innovation. You can get instantaneous unlimited hot water easily wherever you are.
  • Maximum power output 68,000 BTU/hour, get instantaneous limitless warm water easily where you are.
  • Camplux water heater comes with everything you need, including CSA authorized gas regulator and required adapters.
Editor Rating:

Pros

  • Good cost
  • Robust construction
  • Flexible and flexible

Cons

  • Some units get here inoperable
  • Users report periodic leaks around the fittings

4EZ 101 Tankless Water Heater

The EZtankless Model EZ 101 is aesthetically pleasing. It has basic design features that make this outside unit easy to use and install as well as unobtrusive if situated within view of working or living areas. We are the seller who tells you the straight-up truth. Don’t be deceived by others who market comparable heating systems; this kind of draft unit is not for indoor installing in a home! This system will operate on a basic LP (propane) tank as utilized with barbecue grills. No electrical plug-in is required, making this LP model perfect for usage by outdoors persons during searching or camping expeditions, or you may choose to use this heating system for semi-permanent installations at long term campsites, pond homes or cabins, open shelters, workshops, barns and sheds, or any open location with excellent ventilation. Or for those who reside in remote rustic cabins and homes with one bath. The consumption air is pulled from all around the casing, keeping the system really cool to the touch.

Features:

  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included
  • Great for use at camping areas, while fishing, while searching, or anywhere warm water is required.
  • Easy Portability – Only 14 LBS
Editor Rating:

Pros

  • Enables you to adjust the heating temperature and water flow
  • Functions a 20-minute timer for security
  • Assurances an automatic operation
  • Light-weight and affordable
  • Provides as much as 85% thermal effectiveness

Cons

  • A bit vulnerable to freezing

5PrecisionTemp RV-550 Tankless Water Heater

The RV-550 at the same time saves both water and energy, and at 32 pounds, it weighs half to one 3rd as much as a complete 6-10 gallon water heater. The heater only operates when a warm water tap is switched on. Without the tank of water to always keep hot, you’ll use up to 50% less propane. A 20-pound tank of propane will provide approximately 940-gallons of hot water.

The RV-550 also has real automated gas modulation, which suggests that it self-adjusts the gas usage based on variations in water flow and inbound water temperatures. This enables constant temperature level control without overheating the water in the summer season or not warming it enough throughout chillier weather. It uses less than 1.5-amps of power in typical operation and about 3 amps when the winter security is triggered.

It’s the only tankless water heater with integrated freeze security for four-season usage. In order for it to operate, your 12 volts and gas supply should remain on. This enables the burner to fire and electric components to secure the system when it senses freezing temperature levels. Other brands of tankless heaters waste lp or water by preheating the water tank or dumping fresh water on the ground to prevent freezing. The RV-550 can also be easily winterized for seasonal use.

Features:

  • Created particularly for RVs, trailers, tiny houses, cabins, mobile washing services, and more
  • Takes up 1/2 the area and weighs 1/3 as much as a 10-gallon tank
  • No pilot burner and really high gas efficiency
  • Dependable, tested VariFlame innovation control system
  • Created, put together and tested in the USA
Editor Rating:

Pros

  • Reliable and dependable
  • Outstanding temperature control
  • First-class aftermarket assistance

Cons

  • Flow rate fluctuates on occasions
  • Rather expensive

6Eccotemp i12-LP water heater, 4 GPM, Black

The Eccotemp i12 Liquid Propane 3 GPM Tankless Water Heater has a brand-new innovative design, making it unlike any other tankless water heater on the market today. The Eccotemp i12-LP is ideal for holiday cabins, cottages, and smaller sized homes. This model includes sleek black tempered glass panelling, totally automated temperature level controls for accuracy, and a touch screen with an LED temperature screen that reveals output temperature and GPM circulation.

The i12-LP is also geared up with child locking technology. The Eccotemp i12-LP is a liquid gas-powered, indoor model designed for small to medium warm water production where you need more than one warm water application at the same time. When running at a flow rate of 4 GPM and a 77-degree Fahrenheit temperature level increase at 1.5 GPM, this model likewise provides a 35-40 degree Fahrenheit temperature level rise. This bundle features a horizontal stainless-steel vent package, prepared to set up and with its 110-volt UL noted power cord powering the internal exhaust fan and the digital screen. The i12 just pulls about 2 watts while idle and 1.07 Amps throughout the operation, making it a perfect energy-efficient home appliance.

Features:

  • Entire house indoor, gas-powered tankless water heater, ranked at 4 GPM that activates just as needed and no pilot light required, lowering energy intake.
  • Smooth, contemporary design with the black tempered glass front panel featuring an easy to use LED display screen controls
  • Functions completely automated temperature controls with an energy-conserving mode and child-lock technology.
  • Safe electronic ignition system; Plugs into standard 110v electric outlet with UL-listed cord
  • Uses standard 1/2″ NPT water fittings and comes with horizontal venting enabling a hassle-free and fast setup
Editor Rating:

Pros

  • Outstanding product packaging
  • Sturdy and streamlined
  • Superb output

Cons

  • Ill-suited for camping settings with low temperatures
  • Temperature level spikes happen from time to time.

7Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4)

The Bosch Tronic 3000 T point-of-use electrical mini-tanks are offered in three compact sizes: wall-hung (bracket included) or floor-mounted. They fit quickly under a sink, even in cabinet space. Because they have an appealing and streamlined design, they blend in perfectly with existing design when installed in a visible area. Just take advantage of the cold water line and install the water heater straight at the sink to provide hot water. Great for a wide range of areas.

Features:

  • Convenient warm water heating system: 4-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal effectiveness is 98%. Measurements: 13.75 W x 13.75 H x 13.5 D Inches
  • Long-lasting quality: This electric water heater is easy to maintain and has the premium glass-lined product for a long life span. (Amps 12A, Volts (VAC) 120).
  • Independent setup: 36-37″ cord plugs into a 120-volt outlet for independent setup or in-line with a big warm water source.
  • Quick recovery rate: Eliminates long waits for warm water at your sink, get on-demand hot water at your every need (supplies approximately two sinks at a time).
  • Easily installed: Can be flooring, shelf or wall installed (bracket included); just tap into the cold water line and install the water heater straight at the sink to offer hot water.
Editor Rating:

Pros

  • 98% thermal performance.
  • Durable building.
  • Easy to install with consisted of the bracket.
  • Plugs directly into a standard electric outlet.
  • Provides consistent supply of on-demand hot water.
  • Basic temperature controls.

Cons

  • Temperature level controls don’t permit you to pick a specific temperature level.

8Suburban Manufacturing SW6DE RV WTR HTR 1 PK

The best water heaters on the road today, Suburban’s water heater line consists of high recovery gas, gas-electric and motor aid designs with sizes and features to match the requirements of nearly any RV. Heated water attacks all metals, but not porcelain. That’s why Suburban utilizes a porcelain-lined, steel water heater tank with a node rod to “absorb” the electrolytic action – just like your water heater in the house. When a Suburban porcelain-lined tank is effectively kept, tank life may double or triple its three-year restricted warranty, conserving owners the cost of early replacement. Besides, every Suburban tank is pressure evaluated twice throughout the manufacturing process to guarantee its integrity. Fast healing means more warm water and fewer cool water cycles. Six-gallon Suburban gas water heater feature 12,000 BTUH input and recovery rate of 10.2-gallons per hour – that’s the fastest in the market.

Features:

  • 6-gallon water tank.
  • 12,000 BTU score.
  • Weight: 32.9 pounds.
  • D- 12 Volt DC Direct Spark Ignition Gas Heating System.
Editor Rating:

Pros

  • Build Quality: Extensive testing and a three-year guarantee make a statement about the producer’s commitment to quality.
  • Porcelain Coating: The deterioration resistance engineered into this Recreational Vehicle immediate warm water heating unit helps optimize the long-term worth.

Cons

  • Dubious Flow Rate: Rated to produce 10.2 gallons of warm water in an hour is slightly on the low side compared to true tankless water heater which measures their flow rate in gallons per minute. Still, this is in the ballpark for providing you with sufficient hot water in a modest-sized Recreational Vehicle.
  • Tank Space: It’s not genuinely a tankless water heater. You will need to make a little more space for the Suburban Co 5239A Water Heater. Still, it just has a 6-gallon tank determining in at 19.2 X 12.7 X 12.7-inches and weighing just over 35-pounds.

9EZ 202 Tankless Water Heater

Tested by us in our USA laboratory. This model is visually pleasing and has basic design features that make this system easy to use and install and unobtrusive if situated within view of working spaces. This design delivers up to 3.2 gallons per minute of constant and constant warm water at a 45 ° F rise. With low water pressure ignition, this heater can function under 0.02 Mpa (2.9 Psi) of water pressure. No plug-in is required, making this the perfect unit for garage, barn, or sheds. This “No pilot burner” design is safe and practical, using automated ignition to further your energy savings. (The ignition electrical source is provided by two “D” cells) For example; As tested in our USA laboratory, this unit can easily run through a garden pipe inlet water system. This system is an excellent choice for persons needing occasional on-demand hot water. Our LP design is perfect for use throughout searching or camping explorations, or you might select to use this heating unit for semi-permanent OUTDOOR installations at long term camp websites, pond houses or cabins. Or for those who reside in remote rustic cabins and homes with one bath.

Features:

  • Easy Portability – Only 15 LBS.
  • Battey Powered Ignition – 2 “D” Cell Batteries Not Included.
  • Great for usage at camping areas, while fishing, while hunting, barns or anywhere hot water is needed.
Editor Rating:

Pros

  • Developed to be safe and hassle-free for users.
  • Easy and automatic operation.
  • Warranties fast water flow with its 3.2 GPM.
  • Highly portable system powered by propane.
  • Appropriate for outdoor activities.

Cons

  • A bit light-weight product used for the inlet.

10Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters

The extremely efficient Eccotemp FVI12-LP Tankless Water Heater uses an extreme lp flame to instantly heat water the minute it goes through the heating unit exchanger. As long as you feed water in, hot water will come out! With the consisted of Horizontal Vent Kit, this Eccotemp FVI12-LP Tankless Water Heater all set to set up for indoor usage right out of the box. Great for cabins and smaller sized homes, so you don’t bust your budget for a hot shower! It can be utilized with a 20 to 100-pound (pound.) propane tank (tank and hoses not consisted of). The EccotempFVI12-LP Tankless Water Heater is the manual water heater. This means that any water temperature modifications must be made at the unit’s face using the knobs for water circulation and gas pressure. Mixing cold water at your output source is not advised.

Features:

  • Entire house indoor, gas-powered tankless water heater, rated at 3.6 GPM, triggers just when in use, making it an energy saver.
  • For indoor installation with the safe, efficient power ventilation and perfect for any small house, cabin, apartment, or condo.
  • Easy to check out digital temperature level display, on a compact and space-saving design with minimal sound output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cable.
  • Uses basic 1/2″ NPT water fittings and is equipped with easy to use manual water temperature cont—minimum 0.65 GPM circulation rate.
Editor Rating:

Pros

  • Fair cost.
  • Portability is marvellous.
  • Quiet operation.

Cons

  • A few systems featured missing hardware.
  • Quality control still leaves things to be desired.

11EcoSmart ECO 11 Electric Tankless Water Heater

This Smart Technology electrical tankless water heater is configured as an “entire home” design for environments where the inbound water temperature is 67 ° F and above. This model is well matched for warming up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 GPM flow) and one sink with a low inlet water temperature of 67 °F and an output setting of the 105 °F. Digital Temperature Control allows you to set temperature in increments of 1 Degree. This model can also be used in chillier climates as a Point of Use for a sink or other low circulation application.

All tankless water heater are sized based on circulation rate and temperature increase, and there is a direct relationship between the two. If used in a cold area requiring high-temperature rise, it will be more restricted in the number of components (gallons per minute) it can warm at one time than a warmer climate. When sized appropriately, this water heater will offer endless hot water and just take in the energy required, offering the user complete control. Before acquiring and installing, please validate this model is the best size for the anticipated demand and electrical requirements.

Features:

  • Lifetime guarantee.
  • Conserve approximately 60-per cent on your water heating cost with an ECOSMART electric tankless water heater.
  • Never run out of warm water with an ECOSMART tankless water heater.
  • Trademarked Self Modulating Technology and style.
  • ECOSMART tankless water heaters are 99.8-per cent energy efficient. Uniform Energy Factor:0.98.
Editor Rating:

Pros

  • Portable and durable.
  • Energy-efficient.
  • Easy to use control.

Cons

  • Several users grumble about the leak.
  • The heat exchanger needs to be cleaned up frequently.

12Suburban SW6DE RV Water Heater Camper Trailer DSI Elec/lp w/White Door

Loading direct trigger ignition, the water heater from Suburban easily provides warm water to applications. With Suburban SW6DE on your rig, you could take a hot shower whenever you desire convenient. Compared to its cousin, the Suburban model functions a relatively fast recovery rate, so you do not have to worry about fast water cycles.

Editor Rating:

Pros

  • Good values for the expense.
  • Marvellous durability.
  • Noise level is low.

Cons

  • Individuals report getting incorrectly-sized systems.
  • Some hardware should be bought separately.

13Suburban - 5117A Water Heaters 6 Gallon

High-recovery 12,000 BTU/hour designs offer porcelain steel tank, foam insulation, large diameter drain and replaceable anode rod to take in corrosive electrolysis action. One-piece, die-formed housing secures controls and connections yet provides easy access. Fits cut-out openings of previous designs. Gain access to the door and frame set up easily on any type of Recreational Vehicle side. The U.S.A.

Editor Rating:

Pros

  • Build Quality— Substantial testing and a three-year warranty make a declaration about the producer’s devotion to quality.
  • Porcelain Coating— The rust resistance engineered into this RV instant hot water heating unit assists take full advantage of the long-term worth.

Cons

  • Dubious Flow Rate— Ranked to produce 10.2 gallons of warm water in an hour is a little bit on the low side compared to real tankless water heater which measures their circulation rate in gallons per minute. Still, this remains in the ballpark for providing you with adequate warm water in a modest-sized RV.
  • Tank Area— It’s not genuinely a tankless water heater. You will need to make a bit more room for the Suburban Co 5239A Hot Water Heater. Still, it just has a 6-gallon tank measuring in at 19.2 X 12.7 X 12.7-inches and weighing just over 35-pounds.

14Atwood Mobile Products 96110 Pilot Ignition Water Heater - 6 Gallon

Practical and fundamental, Atwood 96110 gives a good account of itself in lots of environments which is why it’s an outstanding buddy for off-roading. Being a gas water heater with pilot burner ignition, the Atwood unit permits RVing lovers to protect warm water even if electrical power is not available. Once you reach the camping site, you simply require to light up the pilot burner, and you would have hot water after half an hour. As it also has a compact body, the Atwood unit can fit limited spaces so you could easily add it to your rig.

Features:

  • Capability is a 6-gallon liquid propane gas.
  • Input is 8,800 British thermal units.
  • Recovery rate is 7.4 gallons per hour.
  • Shipping Weight is 25-pound mass.
Editor Rating:

Pros

  • Constant operation
  • Shipment service is outstanding.
  • Resistant

Cons

  • A bit pricey
  • The periodic leak is reported.

15Chronomite SR-20L/120 HTR SR Series Instant Low Flow Tankless Water Heater+

Chronomite was the first to patent a microprocessor innovation which allows for a pre-set or regulated output temperature that provides unrestricted hot water without risk of scalding-in 2 seconds instead of the six seconds used by another tankless water heater. Chronomite is set up at the point of use and functional when warm water is asked for, therefore dramatically lowering hot water delivery time and ineffective electrical energy use.

Features:

  • Temp Rise At 0.40 GPM: 41 Degrees F.
  • Designed for under sink hardwiring, horizontal installation.
  • Two mounted chrome compression fittings.
  • Rear electric knock-out. Temperature. Variety 90 Degrees to 120 Degrees F.
  • 3/8-Inch cold water inlet and outlet connections.
Editor Rating:

Pros

  • It is integrate dated into a security feature that prevents bursts of warm water or scalding.
  • Consistent supply of on-demand hot water.
  • Has a flow rate of 0.5 gallons per minute, providing excellent water pressure.
  • Has a temperature variety of 90ºF to 120ºF.
  • Warm water is readily available within 2 seconds is perfectly sized for under sink setup.

Cons

  • The guarantee is shorter than other electrical tankless water heaters.

16Stiebel Eltron 220816 3.0 kW

The Stiebel Eltron Mini ™ tankless water heater is developed for setup at the point-of-use. The Mini ™ warms water instantaneously as it streams through the system. Stand-by heat-losses are gotten rid of. A basic circulation switch manages the efficient heating elements. Additionally, all Mini ™ water heater is equipped with a safety high-limit with manual reset. Made in the USA.

Features:

  • Very compact design conserves space.
  • Significant energy cost savings.
  • Endless supply of warm water.
  • Smooth style and can be mounted in plain sight.
  • Proven reliability. Warranty: 7 Years Leakage/ 3 Years Parts.
Editor Rating:

Pros

  • Aesthetically pleasing style.
  • Has good warranties against leaks and parts.
  • Has numerous installing options.
  • Is simple to install.
  • Ready to go electrical connections for ease of installation.
  • Little in size.

Cons

  • Doesn’t have any temperature level control alternatives.

17Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater

Gasland BS158 1.58 GPM 6L outside portable tankless water heater has a compact size and light-weight design enabling a practical carrying. Flame failure device, anti-freezing protection, overheating protection can guarantee household security optimum power output of 41,000 BTU/Hr, low water pressure start-up requires 2.5 PSI of water pressure. The best option for outside hot water, ideal for camping, RV life or anywhere need hot water.

Features:

  • CSA Approved Safety: CSA approved Gasland tankless water heater, safe according to Canadian and US Requirement. Flame failure gadget, anti-freezing security, overheating defence to make sure family safety. Automatically decrease water pressure between 2.5-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or case of the long period no use. High water temperature defence over 167 ° F. Shut down gas supply immediately under unexpectable flameout.
  • Light-weight Portable Design: Compact size and light-weight style for quickly carry. It can bring an amazing hot shower for you when you are camping, to the beach, and so on. You can wash your animals with this tankless water heating unit outside. Hang it utilizing the installing bracket on the top/back of the gas water heater. It just takes you a few minutes to install it. Or you can install it according to the directions.
  • As Needed Hot Water: Maximum power output 41,000 BTU/hour, get instantaneous endless warm water quickly anywhere you are. No need to pre-heat before utilizing a tankless water heater. As soon as you turn on the tap, the water flows with your preferred temperature. Low water pressure start-up, just requires 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Completely adjustable heat and water circulation.
  • Energy Saving: Compact and light-weight structure with 11.5% energy conserving innovation. The propane water heater exchanger and primary burner are designed with innovative combustion innovation to decrease gas consumption and burning noise. When you use our tankless water heating unit, you will conserve more.
Editor Rating:

Pros

  • 11.5% energy-saving technology.
  • Easy to install.
  • Numerous security functions.
  • Simple temperature level control dials.

Cons

  • Some users have kept in mind that some water leaking around the inlet port when in use.

18GIRARD 2GWHAM Tankless Water Heater

Girard’s brand-new GSWH-2 is the conclusion of years of research and experience. Girard listened to its clients and incorporated whatever they desired into its brand-new RV Tankless water heater. Unlimited warm water that is easy to run, switch on the hot water and include cold water to the wanted temperature level. The on-board microprocessor monitors the inbound cold water temperature level, the circulation rate and the outgoing, warm water temperature level to preserve a consistent, consistent hot water circulation. The “state of the art” interior wall installed digital controller shows the operating functions, enables temperature level setting from 95 ° F to 124 ° F, and can be changed to Celsius. Moms and dads will love the capability to pre-set the warm water temperature to a lower temperature level and not stress that the water may get too hot! The UCP likewise features visual diagnostics which allows for simple trouble-shooting. Finally, a water heater door is easy to open and close (sold individually). No more twist-latches! The hinged door and moving latch permit quick, easy access to the water heater. The silicone exhaust ring moves for easy alignment of the exhaust tube.

Features:

  • Controls the burner to keep the set warm water temperature.
  • NOTE: Water heater door does not consist of and must be bought with Girard’s 2GWHAM Water Heater.
  • 42,000 BTUs which provides the maximum efficiency for a Recreational Vehicle’s pipes.
  • No unique LP gas lines or special plumbing required.
  • 12V power that operates at less than 3A; Freeze protection – designed for winter usage.
Editor Rating:

Pros

  • Can provide security versus freezes.
  • Comes at a size, which fits most Recreational vehicles.
  • Operates silently.
  • More powerful and more long-lasting variation of the Girard 1GWHM.
  • Uses an automated monitor to find the temperature and adjust heat requirements.

Cons

  • Mounting hardware not included in the purchase.

19Rinnai V65IP Tankless Water Heater

V65iP is the perfect mix of high performance, convenience and worth in an lp gas tankless water heater from Rinnai. Suitable for small to medium houses or remodels, compact, easy-to-install, perfect and reliable for indoor places; Rinnai items supply assurance with warranties that surpass the competition.

Features:

  • Limitless warm water for your whole house.
  • V65iP HE High-Efficiency Tankless Hot Water Heater – Propane: Indoor Setup Just.
  • Approximately 6.5 GPM hot water circulation rate (differs by groundwater temp).
  • Control-R 2.0 mobile app functions timers and schedules throughout the day and allows you to move the system into the getaway mode from another location.
  • Residential Factory Service warranty – 120 months (heat exchanger), 12 months (labour), 60 months (parts).
Editor Rating:

Pros

  • Compact body.
  • The control design is convenient.
  • Changeable parts.

Cons

  • Need odd exhaust venting.
  • Users complain about getting defective units.

FAQ's

Can I leave the RV water heater on all the time?

No, you should not leave the RV water heater on all the time. Because in this way the life of your water heater will decrease or the system can be damaged. Although you can leave it on all the time if you need it, from the economical and environmental point of view, it is preferred to use it only when you require warm water.

How can I light the pilot of my RV water heater?

It is very easy to light the pilot of your RV water heater. But you cannot take it lightly as the situation can be dangerous if you are playing with natural gas or propane. So, it is best to check the instructions on the user’s manual about lighting the pilot. Talking in general terms about this specific job can be hard as every model has its own way of lighting its pilot. 

Can an electric tankless water heater be installed under A sink?

Installing an electric tankless water heater seems to be an attractive option but it is dangerous as the water spills out while you are using the sink. And the water droplets can cause a short circuit resulting in dangerous sparks that can damage your device. Therefore, it is recommended not to install it under a sink.

Do I have to clean my Tankless Water Heater?

Most of the electric tankless water heaters require frequent cleaning. Every manufacturer has its own recommendation. Just go through the user manual of the device and you will be able to get the required answer. If you still can’t find the relevant information, you can contact them directly and inquire about the device’s cleanliness.

Why does my water heater only give out lukewarm water?

It can be due to some kind of mixing of cold and hot water in your water or shower line. So, in your case, it is highly recommended to go and check the cold and hot faucets outside of the line and set them properly. Concern a professional if you are still unable to solve the issue.

Conclusion

If you know what you should look for, the shopping for the best electric tankless water heater for RV can be very overwhelming. The device should be highly durable, consists of rust-resistant and premium quality materials so that the water can be kept uncontaminated and fresh for a long time. Choosing the right model ensures that it will perfectly serve its purpose for ages and will require from minimum to zero maintenance. Go through our list and then decide on an option for your truck. Happy traveling!