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20 Best Electric Tankless Water Heater For Rv (2022 Updated)

An electric tankless water heater for an RV is a water heater that does not have a storage tank. Water is heated as it passes through a heating element. This type of water heater is often used in RVs because it is smaller and more efficient than a traditional water heater.

20 Best Electric Tankless Water Heater For Rv

1. Black & Decker 24 KW 4.68 GPM Electric Tankless Water Heater

Black & Decker 24 KW 4.68 GPM Electric Tankless Water Heater

  • 24 Kw

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Amazon.com – Seller
Walmart
Lowe’s
Tractor Supply Company

Product Details

Specifications

Details
Weight (lbs.) 15
Amps Required for Unit Only (Amps) 100
Bluetooth Compatibility No
Smart Compatible No
Major Appliances Supplied Simultaneously 4

Reviews From Real Customers

jack d
rednrodeo

2. Stiebel Eltron Electric Tankless Water Heater Mini 3

Stiebel Eltron Electric Tankless Water Heater Mini 3

  • Extremely compact design saves space
  • Major energy savings
  • Unlimited supply of hot water
  • Sleek design and can be mounted in plain sight
  • Proven reliability.

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Tank The Tank

Product Details

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CorraldT
otarrago
Frankly Honest

3. Marey ECO150 Electric Tankless Water Heater – 14.6 KW

Marey ECO150 Electric Tankless Water Heater - 14.6 KW

  • 14.6 Kw

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Walmart
FactoryPure

Product Details

Specifications

Details
No need for pre-heating instant tankless water heater on demand heating.
Fuel Type Electric
Tankless Yes
Installation Indoor
Volts 240 Volts

4. Airthereal Electric Tankless Water Heater for Sink and Faucet 9 KW – Endless On-Demand Hot Water

Airthereal Electric Tankless Water Heater for Sink and Faucet 9 KW - Endless On-Demand Hot Water

  • 9 Kw

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Airthereal

Product Details

Specifications

Details
Power Source Corded Electric
Item Dimensions LxWxH 16.14 x 9.84 x 2.6 inches
Voltage 240 Volts
Style Indoor Installation
Mounting Type Wall

Reviews From Real Customers

Earth S.
NWShopper007

5. Rheem Performance 18 KW Self-Modulating 3.5 GPM Electric Tankless Water Heater

Rheem Performance 18 KW Self-Modulating 3.5 GPM Electric Tankless Water Heater

  • 18kw

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Amazon.com – Seller
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Home Depot
BUYA.COM – Buya – Mid Valley Pawn

Product Details

Specifications

Details
Required Volt Connection 240 volt
Application Type Residential
Indoor/Outdoor Indoor
Fuel Type Electric
Number of Showers 1-2

Reviews From Real Customers

Berto
actionmaytag

6. Ecosmart 27 Tankless Electric Water Heater

Ecosmart 27 Tankless Electric Water Heater

  • 27kw

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eBay
Walmart
Ace Hardware

Product Details

Specifications

Details
Assembled Depth (in) 3.75 in
Assembled Height (in) 18 in
Assembled Width (in) 17 in
Assembled Weight (lbs) 13.75 lbs
Item is Shipped at this Packaging Level Y

Reviews From Real Customers

unskilled home owner

7. Bosch Tronic Electric Tankless Water Heater US12

Bosch Tronic Electric Tankless Water Heater US12

  • 99% efficient with minimal stand-by loss
  • Ultra compact and lightweight, saving valuable space
  • Copper heat exchanger with copper-sheathed heating elements
  • No temperature/pressure relief valve is necessary (check local codes)
  • Max 1.5 GPM

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Amazon.com
eBay
Home Depot
Grainger Industrial Supply

Product Details

Specifications

Details
Item – Water Heaters Electric Tankless Water Heater
Water Heater Design Point-of-Use
Water Heater Application Undersink
Commercial / Residential Both
Watts – Water Heaters 12,000

Reviews From Real Customers

gyi151
stpeteboyz8ys4
barbarevan-26

8. Stiebel Eltron Mini 3.5 Electric Tankless Water Heater,120VAC

Stiebel Eltron Mini 3.5 Electric Tankless Water Heater,120VAC

  • Water Heaters 3, 500 W, Amps
  • Water Heaters 31 A, Voltage
  • Flow Activation 0.4 gpm, Phase
  • Range
  • Water Heaters 10 Degrees F

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Amazon.com – Seller
WebstaurantStore.com
Wholesale Home
Build.com

Product Details

Specifications

Details
Vent Type Vent Free
Wattage 2400W
Amperage 20A
Voltage 120V
Activation GPM 0.4

Reviews From Real Customers

milan7
Jeff P

9. Electric SCR2 Titan N-120 Tankless Water Heater

Electric SCR2 Titan N-120 Tankless Water Heater

  • N-120

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Amazon.com – Seller
eBay
Walmart
Shell Lumber and Hardware

Product Details

Specifications

Details
Depth 3 in.
Brand Name Titan
Amps 54 amps
Watts 11.8 W
Maximum Pressure 150 psi

Reviews From Real Customers

deepend55
utbands

10. Rheem Performance 24 KW Self-Modulating 4.6 GPM Electric Tankless Water Heater

Rheem Performance 24 KW Self-Modulating 4.6 GPM Electric Tankless Water Heater

  • up to 6 GPMWater-Saver Shower Head
  • 1.5 GPMStandard Shower Head
  • 2.0 GPMStandard Hand Sink
  • 0.5 GPMKitchen Sink
  • 1 to 2 GPMBath Tub

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Amazon
eBay – homedealss
Home Depot

Product Details

Specifications

Details
Amperage (amps) 100 A
Application Type Residential
Electricity Phase Single Phase
Finish Family Gray
Flow Rate @ 35°F Rise (gallons/min) 4.68 gal (US)/min

11. Rheem RTEX-13 Professional Classic Electric Tankless Hot Water Heater

Rheem RTEX-13 Professional Classic Electric Tankless Hot Water Heater

  • 13kw

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Amazon
Wholesale Water Heaters & More
Miami Water Heater
Sears – Ami Ventures Inc

Product Details

Specifications

Details
Water Heater Design Whole House
Water Heater Application General Purpose
Commercial / Residential Commercial/Residential
Watts – Water Heaters 13,000 W
Amps – Water Heaters 54 A

12. Ecosmart Eco 11 Electric Tankless Water Heater

Ecosmart Eco 11 Electric Tankless Water Heater

  • Provides continuous hot water for ultimate convenience.
  • Patented Self Modulating technology and design.

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Amazon
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Walmart
Ace Hardware

Product Details

Specifications

Details
Assembled Depth (in) 3.75 in
Assembled Height (in) 12 in
Assembled Width (in) 9.75 in
Assembled Weight (lbs) 7 lbs
Item is Shipped at this Packaging Level Y

13. Rheem Performance 27 KW Self-Modulating 5.3 GPM Electric Tankless Water Heater

Rheem Performance 27 KW Self-Modulating 5.3 GPM Electric Tankless Water Heater

  • Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
  • Great investment and value: energy cost savings
  • Easy to maintain: durable, easy-to-replace heating elements
  • A reliable hot water solution from Rheem, the global leader in water heating

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Home Depot

Product Details

Specifications

Details
Required Volt Connection 240 volt
Application Type Residential
Indoor/Outdoor Indoor
Fuel Type Electric
Number of Showers 1-2

14. Stiebel Eltron Tempra 24 Plus Tankless Electric Water Heater

Stiebel Eltron Tempra 24 Plus Tankless Electric Water Heater

  • 24 Plus Tankless

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Amazon
SupplyHouse.com
PoshHaus
Wholesale Home

Product Details

Specifications

Details
Temperature (Minimum) 68° F
Temperature (Maximum) 140° F
Vent Type Vent Free
Amperage 100A
Voltage 240V

15. Rheem Retex-13 KW Self-Modulating 2.54 GPM Tankless Electric Water Heater

Rheem Retex-13 KW Self-Modulating 2.54 GPM Tankless Electric Water Heater

  • Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
  • Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
  • Easy to maintain: durable, easy-to-replace heating elements

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Amazon
eBay
Home Depot
BUYA.COM – Buya – Mid Valley Pawn

Product Details

Specifications

Details
Required Volt Connection 240 volt
Application Type Residential
Indoor/Outdoor Indoor
Fuel Type Electric
Number of Showers 1-2

16. RV Tankless Water Heater 12 V on Demand Hot Water Heater 42,000 BTU

RV Tankless Water Heater 12 V on Demand Hot Water Heater 42,000 BTU

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Amazon
RecPro

Product Details

17. Stiebel Eltron Mini-4 Tankless Water Heater

Stiebel Eltron Mini-4 Tankless Water Heater

  • 240 Volt

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Amazon
Walmart – HPLA LLC
WebstaurantStore.com
Wholesale Home

Product Details

Specifications

Details
Vent Type Vent Free
Wattage 3500W
Amperage 15A
Voltage 240V
Activation GPM 0.4

18. Chronomite SR-15L-120 Tankless Electric Water Heater

Chronomite SR-15L-120 Tankless Electric Water Heater

  • 120-Volt 15-Amp

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Amazon
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Walmart
Big Frog Supply

Product Details

Specifications

Details
Water Heater Design Point-of-Use
Water Heater Application Undersink
Watts – Water Heaters 1,800 W
Amps – Water Heaters 15 A
Voltage – Water Heaters 120

Reviews From Real Customers

Cliff R.

19. Ecosmart ECO18 Electric Tankless Water Heater – 18 KW – 240 V

Ecosmart ECO18 Electric Tankless Water Heater - 18 KW - 240 V

  • 18kw

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Ace Hardware

Product Details

Specifications

Details
Packaging Depth 6.25 IN
Packaging Height 19.5 IN
Packaging Width 16.25 IN
Package Weight 11
Package Weight UOM LB

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wbsmgparts

20. Suburban 5186A Nautalis On-Demand Water Heater

Suburban 5186A Nautalis On-Demand Water Heater

  • Built-in freeze protection mechanismnbsp.
  • State-of-the-art 3-Try Direct Spark Ignitionnbsp36 lbs with the vent assemblynbsp.
  • Polar White for 6 galnbsp6277APWnbsp.
  • Polar White for 10 gal.nbsp.
  • PILOT Pnbsp232767 nbsp.

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Amazon
Dyers RV and Trailer

Product Details

Specifications

Details
Gallons Tankless
BTU’s 60,000
Heat Source Gas
Ignition Electric
Dimensions 12.5″ H x 12.5″ W” x 19.5″ D

Reviews From Real Customers

Raul A.
Del Windham
chris m

Conclusion

The conclusion of an electric tankless water heater for an RV is that it is a great way to save space and have an endless supply of hot water. It is a bit more expensive to install and maintain than a traditional RV water heater, but the benefits far outweigh the costs.

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