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10 Best Rv Gas Water Heater 2025 in the United States

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Our Top Picks

#1

Winner

Suburban Advantage RV Tank Water Heater SW10DEL - 10 Gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI), Incoloy Electric Element, and 12VDC Relay (5244A)

Rating
10.0
Chosen by1,217
Size and Dimensions

Most important from
4476 reviews

Size and Dimensions
Perfect fit.

The Suburban Advantage RV Tank Water Heater SW10DEL is designed with a 10-gallon porcelain-lined steel tank, which is beneficial for durability and longevity. The inclusion of an anode rod helps to reduce corrosion, extending the heater's life span. With a Direct Spark Ignition (DSI), it provides a convenient and efficient way to ignite the heater without needing a pilot light.

The heater boasts a BTU rating of 12,000, indicating a decent heating capacity, and a watt rating of 1400, which is standard for electric elements. Its dimensions (16-7/32" Height x 16-7/32" Width x 20-1/2" Depth) make it a compact solution suitable for most RV spaces.

This heater is ideal for RV owners looking for a reliable and durable water heating solution.

Rating
10.0
Chosen by1,217
Size and Dimensions

Most important from
4476 reviews

Size and Dimensions
Perfect fit.
#2

Suburban Advantage RV Tank Water Heater SW10DE - 10 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) and Incoloy Electric Element (5243A)

Rating
10.0
Ignition Type
Size and Dimensions

Most important from
4476 reviews

Ignition Type
The propane connection was very easy, but it takes time for the propane gas to purge the air from the system before it will fire.
Size and Dimensions
Fits perfectly and mounts the same way as the old one, with all screws matching up.

The Suburban Advantage RV Tank Water Heater SW10DE offers a solid solution for those seeking reliable hot water in their RV. The 10-gallon porcelain-lined steel tank is built for durability, ensuring longevity that mimics residential water heaters. The use of a replaceable anode rod provides advanced corrosion protection, which is a significant benefit for extending the unit's lifespan and simplifying maintenance.

This water heater features a direct spark ignition (DSI) system and an optional Incoloy electric element, making it versatile for use with either gas or electric power, perfect for various campsite setups. The product dimensions (16.22" x 16.22" x 20.50") make it a compact option, fitting well in most RVs while delivering a substantial 12,000 BTU/h heating capacity.

The recovery rate is commendable, with 10.1 gallons per hour on gas only and 6.1 gallons per hour on electric, ensuring a steady supply of hot water. However, the maximum flow rate of 0.45 gallons per minute may be a limitation for those requiring higher water flow. The heater's energy efficiency, augmented by Suburban's exclusive flue tube design, ensures optimal heat transfer and faster heating times, which could help save on energy costs. The product is backed by a 2-year limited warranty and a 3-year tank limited warranty, providing peace of mind. Weighing 46 pounds, it may require careful handling during installation. This water heater is a good fit for RV owners who prioritize durability, energy efficiency, and reliable performance, while those needing higher water flow rates might need to consider other options.

Rating
10.0
Ignition Type
Size and Dimensions

Most important from
4476 reviews

Ignition Type
The propane connection was very easy, but it takes time for the propane gas to purge the air from the system before it will fire.
Size and Dimensions
Fits perfectly and mounts the same way as the old one, with all screws matching up.
#3

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

Rating
9.9
Capacity
Recovery Rate
Size and Dimensions

Most important from
475 reviews

Capacity
Temperature adjustment takes getting used to, but provides plenty of hot water.
Recovery Rate
Reached steady temperature in about 20-40 seconds, making long showers no trouble at all.
Size and Dimensions
The unit fit perfectly in place of the existing hot water tank and wiring was simple.
Energy Efficiency
Propane usage is efficient, lasting about 20 lbs a month for one person.

The Ranein 65,000 BTU RV Tankless Water Heater is designed to deliver instant hot water on demand, making it ideal for RV users looking for a consistent and efficient heating solution. Its tankless design means you won't have to wait for water to heat up, and with a maximum heating power of 65,000 BTU, it can provide up to 3.9 GPM of hot water, ensuring long, comfortable showers.

The temperature range of 95°F-124°F and the built-in thermostatic chamber help maintain a steady temperature, preventing overheating and ensuring efficient propane use. This unit is CSA certified, enhancing its safety and reliability, and features an automatic gas shut-off in case of flame failure, a forced exhaust fan for stable combustion, and an anti-freeze device that activates below 42.8°F to prevent freezing.

The multi-function remote control offers convenient monitoring of gas usage, voltage, and other operational parameters, making it easy to manage the heater. However, users should note that the door kit is not included and must be purchased separately, which adds to the cost. Installation requires a 12V RV voltage, limiting its use to those with compatible RV systems.

Rating
9.9
Capacity
Recovery Rate
Size and Dimensions

Most important from
475 reviews

Capacity
Temperature adjustment takes getting used to, but provides plenty of hot water.
Recovery Rate
Reached steady temperature in about 20-40 seconds, making long showers no trouble at all.
Size and Dimensions
The unit fit perfectly in place of the existing hot water tank and wiring was simple.
Energy Efficiency
Propane usage is efficient, lasting about 20 lbs a month for one person.

Buying Guide for the Best Rv Gas Water Heater

Choosing the right RV gas water heater is crucial for ensuring you have a reliable and efficient source of hot water while on the road. The right water heater will depend on your specific needs, including the size of your RV, the number of people using it, and your typical usage patterns. Here are some key specifications to consider when selecting an RV gas water heater, along with explanations to help you make an informed decision.
CapacityCapacity refers to the amount of water the heater can hold and heat at one time. This is important because it determines how much hot water you can use before the heater needs to reheat more water. Capacities typically range from 6 to 10 gallons. If you have a larger family or use a lot of hot water for showers and dishes, a larger capacity might be better. For solo travelers or couples, a smaller capacity may suffice.
Recovery RateThe recovery rate is the amount of water the heater can reheat in an hour. This is crucial for understanding how quickly you can get more hot water after the initial supply is used up. Higher recovery rates mean less waiting time for hot water. If you frequently use hot water back-to-back, look for a higher recovery rate. For occasional use, a lower recovery rate might be acceptable.
BTU RatingBTU (British Thermal Unit) rating measures the heater's heating power. A higher BTU rating means the heater can heat water faster. This is important for efficiency and ensuring you have hot water when you need it. For heavy usage, a higher BTU rating is beneficial. For lighter usage, a lower BTU rating can be sufficient and more energy-efficient.
Ignition TypeIgnition type refers to how the water heater is ignited. There are mainly two types: manual pilot light and automatic (DSI - Direct Spark Ignition). Manual pilot lights require you to light the heater manually, which can be less convenient. Automatic ignition is more user-friendly as it lights the heater with the push of a button. If convenience is a priority, go for automatic ignition. If you don't mind manual operation, a pilot light can be a reliable option.
Size and DimensionsThe size and dimensions of the water heater are important to ensure it fits in the designated space in your RV. Measure the available space carefully and compare it with the dimensions of the heater. This is crucial for installation and proper functioning. Make sure to choose a heater that fits well without requiring major modifications to your RV.
Energy EfficiencyEnergy efficiency indicates how well the heater converts gas into hot water. More efficient models will use less gas to heat the same amount of water, saving you money and reducing your environmental impact. Look for heaters with higher efficiency ratings if you want to minimize gas usage. For those who prioritize cost savings and environmental concerns, energy efficiency is a key factor.
Safety FeaturesSafety features are critical for preventing accidents and ensuring safe operation. Common safety features include pressure relief valves, automatic shut-off, and overheat protection. These features help prevent dangerous situations like gas leaks or overheating. Prioritize models with comprehensive safety features, especially if you have children or pets in the RV.

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