Best RV Tankless Water Heaters Updated July 2025
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Best RV Tankless Water Heaters
2025 Buyer's GuideUpdated July 2025
Advertiser disclosure About our rankings
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Best RV Tankless Water Heater

10.0

1

10.0

FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best...
Functionality
Ease of installation
Value for money
Quality
Picked by 185 people this week!
Picked by 185 people this week!
Picked by 185 people this week!
Best RV Tankless Water Heater

10.0

1
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best...
Functionality
Ease of installation
Value for money
Quality
Picked by 185 people this week!

9.6

2

9.6

OEVANT RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16x16 inch Door＆Front Water Outlet,Pr...
Functionality
Water heater
Ease of installation
Save 7%
Save 7%

9.6

2
OEVANT RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16x16 inch Door＆Front Water Outlet,Pr...
Functionality
Water heater
Ease of installation
Save 7%

9.3

3

9.3

Rheem 18kW 240V Tankless Electric Water Heater, Gray
Ease of installation
Value for money
Space saving
Build quality
Save 5%
Save 5%

9.3

3
Rheem 18kW 240V Tankless Electric Water Heater, Gray
Ease of installation
Value for money
Space saving
Build quality
Save 5%

9.1

4

9.1

VEVOR RV Tankless Water Heater, Instant Shower with 15 x 15 inches White Door and Remote Controller, 55000BTU Optimized Comfort...
Ease of installation
Functionality
Value for money
Fit
Save 18%
Save 18%

9.1

4
VEVOR RV Tankless Water Heater, Instant Shower with 15 x 15 inches White Door and Remote Controller, 55000BTU Optimized Comfort...
Ease of installation
Functionality
Value for money
Fit
Save 18%
Popular

9.0

5

9.0

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounte...
Works great
Ease of installation
Size
Value for money
Washability
Save 5%
Save 5%
Popular

9.0

5
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounte...
Works great
Ease of installation
Size
Value for money
Washability
Save 5%
Premium Pick

8.8

6

8.8

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, F...
Ease of installation
Fit
Save 28%
Save 28%
Premium Pick

8.8

6
GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, F...
Ease of installation
Fit
Save 28%

8.7

7

8.7

Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A
Works well
Ease of installation
Water temperature
Fit
Value for money
Ease of replacing

8.7

7
Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A
Works well
Ease of installation
Water temperature
Fit
Value for money
Ease of replacing
Best Value

8.5

8

8.5

GASLAND BE158 Propane Tankless Water Heater 6L, Outdoor Portable Hot Water Heater, Overheating Protection, Easy to Install, Use...
Functionality
Ease of installation
Outdoor shower
Temperature control
Save 26%
Save 26%
Best Value

8.5

8
GASLAND BE158 Propane Tankless Water Heater 6L, Outdoor Portable Hot Water Heater, Overheating Protection, Easy to Install, Use...
Functionality
Ease of installation
Outdoor shower
Temperature control
Save 26%

8.4

9

8.4

Xenjum RV Tankless Water Heater 65,000 BTU - Propane Instant Hot Water Heater for RV/Camper Van with Showerhead Kit, 12V On-Dem...
Ease of installation
Water temperature
Functionality
Value for money

8.4

9
Xenjum RV Tankless Water Heater 65,000 BTU - Propane Instant Hot Water Heater for RV/Camper Van with Showerhead Kit, 12V On-Dem...
Ease of installation
Water temperature
Functionality
Value for money

8.2

10

8.2

Andeman RV Tankless Water Heater 55,000 BTU 2.9GPM Instant Hot Water System with Remote & 15x15inch Door - 12V DC Power, CSA Ce...
Ease of installation
Functionality
Value for money
Fit
Build quality
Water temperature

8.2

10
Andeman RV Tankless Water Heater 55,000 BTU 2.9GPM Instant Hot Water System with Remote & 15x15inch Door - 12V DC Power, CSA Ce...
Ease of installation
Functionality
Value for money
Fit
Build quality
Water temperature

Our Top Choice

Best RV Tankless Water Heater

10.0

1

10.0

FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best...
Functionality
Ease of installation
Value for money
Quality
Picked by 185 people this week!
Picked by 185 people this week!
Picked by 185 people this week!
Best RV Tankless Water Heater

10.0

1
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best...
Functionality
Ease of installation
Value for money
Quality
Picked by 185 people this week!
Related Categories
RV Hot Water HeaterTankless Water Heater (All)Heat Pump for RVTankless Hot Water HeaterHigh Capacity Tankless Water HeaterTankless Gas Water Heater
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Related Categories
RV Hot Water HeaterTankless Water Heater (All)Heat Pump for RVTankless Hot Water HeaterHigh Capacity Tankless Water HeaterTankless Gas Water Heater
Related Categories
RV Hot Water HeaterTankless Water Heater (All)Heat Pump for RVTankless Hot Water HeaterHigh Capacity Tankless Water HeaterTankless Gas Water Heater