10 Best rv hot water heaters of 2025

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Best Choice

1

Dometic
Dometic WH-6GEA RV Gas and Electric Water Heater - 12 Volt 6 Gallon Silver Burner-Quick Heating Burner System for Indoor Installation

33% Off
Main highlights

Quick and Efficient Heating
Features quick heating, extended hot water duration, low maintenance, and convenient size. Perfect for reliable hot water in RVs.

Ideal Use Cases
Best for RV enthusiasts needing quick, continuous hot water for longer showers or larger tanks, with easy installation and minimal upkeep.

Customer Reviews Highlight
Most praised for its rapid heating capability, providing hot water on demand efficiently, enhancing user convenience on the go.
9.8

Exceptional

Our Rating
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Value for Money

2

Suburban
Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater SAW6DE, Direct Spark Ignition (DSI), LP Gas and Incoloy Electric Element, RV Instant Hot Water, Long Lasting (5321A)
Main highlights

Economical Choice for Atwood Replacement
The Suburban Advantage Direct Fit Upgrade Tank Water Heater is the most economical choice when replacing a Domestic/Atwood G series water heater.

Perfect for RV Sidewall Cutouts
This water heater fits perfectly into RV sidewall cutouts with dimensions of 12.625H x 16.125 without requiring modifications.

Easy Installation and Fit
Customers frequently praised the easy installation and perfect fit, highlighting the hassle-free replacement for discontinued Atwood models.
9.6

Exceptional

Our Rating

9.3
Thermal power

8.2
Easy installation

8.2
worth the money
3

Suburban
Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A
Main highlights

Efficient Heating Performance
Recovers 10.2 gallons/hour with a 12,000 BTU input.

Perfect for RVs
Ideal for replacing or upgrading water heaters in RVs.

Quick and Reliable Ignition
Direct spark ignition praised for quick and easy operation.
9.5

Excellent

Our Rating

9.9
Thermal power

9.3
Packaging materials

8.9
Easy installation
4

Suburban
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)
Main highlights

Endless Hot Water Supply
Provides a continuous supply of hot water, saving energy with controlled temperature.

Ideal for RVs
Perfect for RVs, fits existing 6-gallon sidewall cutout openings.

Easy Installation Praised
Customers appreciate the ease of installation and effective performance.
Key specs
- usage:RV Water Heaters
- special features:Endless hot water
- mounting type:Wall mount
- heat output:N/A
- wattage:N/A
9.4

Excellent

Our Rating
5

ONENESS 369

RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater
9.3

Excellent

Our Rating

9.9
worth the money

9.9
Easy installation

9.9
Simple to take off
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6

Feelrogast

Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted
9.2

Excellent

Our Rating
7

KINGRVER
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
Main highlights

High Efficiency and Performance
The KINGRVER RV tankless water heater delivers 48,000 BTU with a 2.5 GPM flow rate, ensuring endless hot water for your RV needs.

Ideal for RV Enthusiasts
Perfect for replacing Suburban & Atwoods tank water heaters, offering easy installation without enlarging cutout holes in RVs and campers.

Ease of Installation Praised
Customers appreciate the straightforward installation process, highlighting the included hardware and compatibility with existing RV setups.
Key specs
- usage:RV Water Heater
- special features:Low Water Pressure Start Up, Dry Combustion Protection, Overheat Protection, Water Overpressure Protection, Anti-Freezing Protection
- mounting type:Built-in
- heat output:48000 BTU
- wattage:43 watts
9.1

Excellent

Our Rating

9.9
Temperature control

9.5
Easy installation

8.0
Tech Support
8

BOSCH
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
Main highlights

Convenient Hot Water Access
4-gallon mini-tank provides instant hot water, 98% thermal efficiency.

Ideal for Point-of-Use
Perfect for under-sink installation in kitchens or bathrooms.

Efficient Energy Usage
Praised for low energy consumption and effective thermal qualities.
8.9

Very Good

Our Rating

9.1
Easy installation

8.9
Temperature control

8.7
worth the money
9

Andeman

Andeman RV Tankless Water Heater 55,000 BTU 2.9GPM Instant Hot Water System with Remote & 15x15inch Door - 12V DC Power, CSA Certified, Easy Installation for Motorhomes/Campers/Trailers (Black)
8.7

Very Good

Our Rating
10

AMZCHEF
AMZCHEF RV Tankless 65,000BTU Water Heater,CSA Certificated,3.9 GPM Water Heater, with 15 x 15 inches Black Door & Remote Controller,12V,9800FT Endless Hot Water for RV
Main highlights

Endless Hot Water Supply
AMZCHEF RV water heater provides continuous hot water with 65,000 BTU power and 3.9 GPM flow.

Ideal for RV Use
Designed for RVs, it features low noise, vibration resistance, and anti-freeze settings.

Energy Efficiency Praised
Staged combustion technology saves propane by adjusting flame intensity.
8.5

Good

Our Rating

10 Best rv hot water heaters of 2025

1

Dometic WH-6GEA RV Gas and Electric Water Heater - 12 Volt 6 Gallon Silver Burner-Quick Heating Burner System for Indoor Installation

2

Suburban Advantage Direct Fit 6 Gallon Steel Tank Water Heater SAW6DE, Direct Spark Ignition (DSI), LP Gas and Incoloy Electric Element, RV Instant Hot Water, Long Lasting (5321A)

9.3

8.2

8.2

3

Suburban Advantage RV Tank Water Heater SW6D – 6 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) 5238A

9.9

9.3

8.9

4

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)

5

RV Water Heater Anode Rod - 2-Pack, 2 Years Warranty - 9.25" x 3/4" NPT - Premium Magnesium Anode Rod for hot water heater Rv, Long-Lasting Protection Suburban Anode Rod for Rv Water Heater

9.9

9.9

9.9

6

Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted

7

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

9.9

9.5

8.0

8

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

9.1

8.9

8.7

9

Andeman RV Tankless Water Heater 55,000 BTU 2.9GPM Instant Hot Water System with Remote & 15x15inch Door - 12V DC Power, CSA Certified, Easy Installation for Motorhomes/Campers/Trailers (Black)

10

AMZCHEF RV Tankless 65,000BTU Water Heater,CSA Certificated,3.9 GPM Water Heater, with 15 x 15 inches Black Door & Remote Controller,12V,9800FT Endless Hot Water for RV

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