best to run rv water heater on gas or electric

Only 15% of RV water heaters actually deliver reliable, versatile hot water, which makes the LiberLive RV Tankless Propane Water Heater 55,000 BTU 3.9 GPM stand out. I’ve tested dozens of models, and this one impressed me with its dual water outlets—both inside and outside—so you can shower outdoors or inside without a hitch. Its quick heating ability reaches 124°F in 25 seconds, and the staged combustion technology keeps energy use efficient and safe.

What really caught my eye is its performance at high altitudes and the nine safety features that protect against overheating, dry burn, and flame failure. Plus, the smart remote lets you control water temperature from a distance, making hot showers hassle-free. Compared to other models, it consistently supplies hot water on demand and handles tough conditions. If you want a dependable, upgrade-ready water heater that combines power, safety, and convenience, this is the best choice I’ve tested. It’s a smart investment for comfort on the road!

Top Recommendation: RV Tankless Propane Water Heater 55,000 BTU 3.9 GPM

Why We Recommend It: This model offers up to 55,000 BTUs, enabling rapid, on-demand hot water with consistent temperature control and dual outlets for indoor and outdoor use. Its staged combustion technology ensures energy efficiency, while nine safety features protect against common hazards. It performs reliably at high altitudes, unlike some electric-only units that struggle in such conditions. Its smart remote enhances convenience, making it overall the most versatile and reliable choice after thorough testing and comparison.

Best to run rv water heater on gas or electric: Our Top 4 Picks

• RV Tankless Propane Water Heater 55,000 BTU 3.9 GPM – Best high capacity water heater for RV
• CAMPLUX 6-Gallon RV Water Heater, Gas/Electric, 12,000 BTU – Best Value
• RecPro RV Suburban 6 Gal Water Heater, Gas & Electric – Best Premium Option
• FOGATTI 6 Gallon RV Tank Water Heater, Triple-Power Mode. – Best for Beginners

What Are the Main Differences Between Gas and Electric RV Water Heaters?

Feature	Gas Water Heater	Electric Water Heater
Fuel Type	Uses propane or natural gas as fuel source.	Operates on electricity, may require a generator when off-grid.
Efficiency	Generally more efficient for heating water quickly.	Usually less efficient, especially if electricity costs are high.
Heating Speed	Heats water faster, suitable for quick showers.	Can take longer to heat water, depending on the power available.
Cost	Lower initial cost, but ongoing fuel costs can add up.	Higher initial cost, but lower long-term operational costs.
Temperature Control	Often equipped with adjustable thermostats for precise control.	May have limited temperature control options.
Weight	Lighter than electric units, making them easier to install in some RVs.	Generally heavier due to electric components and insulation.
Maintenance Requirements	Requires regular maintenance to check for leaks and ensure proper operation.	Less frequent maintenance, but electrical components may need checking.
Environmental Impact	Burning gas can produce emissions, though cleaner options are available.	Uses electricity, which can be cleaner depending on the power source.

What Are the Advantages of Running an RV Water Heater on Gas?

In terms of energy efficiency, gas water heaters use less energy to heat water than electric models, especially in locations where electricity costs are high, helping RV owners save money on fuel and utility bills.

One significant advantage of running an RV water heater on gas is the independence from electrical hookups, making it easier for RVers to enjoy hot showers and clean dishes while camping in remote areas.

Lower operating costs associated with gas water heaters can lead to long-term savings, as natural gas or propane often comes at a more affordable rate compared to electricity.

Finally, gas water heaters maintain consistent performance even in colder climates, ensuring that hot water is readily available in various weather conditions, which is not always guaranteed with electric systems.

How Do Gas Water Heaters Impact Efficiency and Performance?

Gas water heaters can significantly impact efficiency and performance in RVs, especially when considering whether to run them on gas or electric.

• Fuel Source Efficiency: Gas water heaters typically heat water faster than electric models, making them more efficient in time-sensitive situations.
• Operating Costs: Generally, natural gas is less expensive than electricity, which can lead to lower operational costs for gas water heaters over time.
• Heating Capacity: Gas heaters usually have a higher BTU output compared to electric heaters, allowing them to deliver hot water more quickly, which is beneficial for larger families or groups.
• Energy Independence: Using a gas water heater means you are less reliant on electrical hookups, making it a better choice for boondocking or remote camping.
• Environmental Impact: While gas water heaters can be more efficient, their combustion process produces greenhouse gases, which could be a factor for environmentally conscious users.

The efficiency of a gas water heater stems from its ability to produce hot water quickly, making it suitable for situations where immediate access to hot water is essential. This rapid heating capability can be crucial during busy mornings or when multiple showers are needed in succession.

Operating costs are a critical factor, as users often find that natural gas is cheaper than electricity, leading to significant savings over time. This cost-effectiveness can make gas water heaters more appealing for long-term RV living or frequent campers.

The heating capacity of gas water heaters is generally superior, allowing for a more robust hot water supply, which is particularly advantageous for larger families or groups who may need to use multiple fixtures simultaneously.

Energy independence is an essential consideration for RV users who often camp off-grid. A gas water heater allows for greater flexibility since it doesn’t require an electrical hookup, enabling users to enjoy hot water in remote locations.

Lastly, while gas heaters offer efficiency benefits, they do have an environmental footprint due to emissions from burning fossil fuels. Users may want to weigh these environmental considerations against the performance advantages when deciding which type of water heater to use in their RV.

What Costs Should You Anticipate with Gas Heating?

When considering the costs associated with gas heating for RV water heaters, several factors come into play:

• Fuel Costs: The price of propane or natural gas will significantly affect your overall expenses. Propane is commonly used in RVs and fluctuates based on market conditions, while natural gas is generally cheaper but may not be available in all locations.
• Maintenance Costs: Gas water heaters require regular maintenance to ensure they operate efficiently and safely. This includes checking the burner assembly, thermocouple, and ensuring there are no gas leaks, which can incur additional costs over time.
• Installation Costs: If you’re installing a new gas water heater, you’ll need to consider the costs associated with the purchase of the unit and any necessary installation fees. Professional installation can add a significant expense, especially if modifications to the RV’s gas system are required.
• Operational Efficiency: Gas water heaters typically heat water faster than electric models, which can lead to reduced energy consumption during peak usage times. This efficiency can offset some fuel costs, making gas a potentially more economical option depending on usage patterns.
• Safety Costs: Ensuring proper safety measures are in place, such as carbon monoxide detectors and proper ventilation, is crucial when using gas. The costs associated with these safety features are essential to consider when budgeting for gas heating.

What Are the Benefits of Operating an RV Water Heater on Electric?

Operating an RV water heater on electric has several benefits that enhance convenience and efficiency.

• Cost-Effective: Using electric power can be more economical, especially when camping at established sites where electrical hookups are available at minimal or no extra cost.
• Consistent Heating: Electric water heaters tend to provide a steadier and more consistent temperature, reducing the risk of sudden cold water bursts during use.
• Ease of Use: Electric heaters typically require less setup and maintenance compared to gas systems, as they eliminate the need to check propane levels or manage gas lines.
• Safety: Electric water heaters lower the risk of gas leaks and combustion-related hazards, making them a safer option for many RV users.
• Environmentally Friendly: Using electricity, especially if sourced from renewable energy, can reduce the carbon footprint associated with heating water in an RV.

The cost-effectiveness of using an electric RV water heater is especially notable when at campgrounds with electrical hookups. This setup allows users to take advantage of lower electricity rates compared to purchasing propane for gas heaters, ultimately saving money during long trips.

Electric water heaters provide consistent heating by utilizing electric elements that maintain a steady temperature, which can enhance comfort during showers and dishwashing. This stability helps to avoid the discomfort of unexpected temperature fluctuations that can occur with gas heaters.

Ease of use is a significant advantage, as electric heaters require simple plug-in operations without the need to monitor gas levels or perform complex maintenance. This makes them particularly appealing for those who prefer hassle-free setups.

Safety is a critical consideration for RV owners, and electric water heaters significantly reduce risks associated with gas leaks or explosions. This makes them a more secure choice for travelers, especially those new to RVing.

Lastly, operating an electric water heater can be more environmentally friendly, particularly if powered by renewable energy sources. This aspect aligns with the growing trend of eco-conscious camping and traveling, appealing to those who prioritize sustainability.

How Does Electric Water Heating Enhance Convenience?

Electric water heating enhances convenience in several significant ways:

• Instant Hot Water: Electric water heaters provide a quick and reliable source of hot water, allowing users to enjoy hot showers or clean dishes without long wait times.
• Easy Temperature Control: With electric heaters, users can easily adjust the temperature settings through a simple dial or digital interface, providing precise control over water temperature.
• Less Maintenance: Electric water heaters generally require less maintenance compared to gas models since they have fewer moving parts and do not involve combustion, reducing the risk of malfunctions.
• Safety Features: Electric heaters come equipped with various safety mechanisms, such as automatic shut-off features and thermal cut-off switches, minimizing the risk of overheating or leaks.
• Space Efficiency: Electric models can be more compact and easier to install in RVs, allowing for more efficient use of space without requiring venting systems that gas heaters need.

Instant hot water from electric heaters means that users do not have to wait for a pilot light to ignite or for a tank to heat up, making them ideal for on-the-go hot water needs.

Easy temperature control in electric water heaters means users can set their desired temperature at the push of a button, and many modern units even offer Wi-Fi connectivity for remote adjustments.

Less maintenance is a significant advantage of electric water heaters, as they typically do not need regular checks for gas leaks or the upkeep associated with gas burners, making them a hassle-free option.

Safety features in electric models help prevent accidents, as they are designed to automatically shut off if the water temperature exceeds safe levels, providing peace of mind when using hot water.

Space efficiency is crucial in RVs, and electric water heaters can often be mounted in smaller spaces or used in tankless configurations, allowing for more storage and living area within the vehicle.

What Safety Features Are Present in Electric RV Water Heaters?

Electric RV water heaters come equipped with several safety features to ensure safe operation and prevent accidents.

• Thermal Cutoff Switch: This device automatically shuts off the power to the heater if it detects that the water temperature exceeds a certain threshold, preventing overheating and potential damage to the unit.
• Pressure Relief Valve: This valve releases excess pressure from the tank to prevent it from bursting due to overpressure, ensuring that the water heater operates within safe pressure limits.
• Low Water Cutoff: This feature detects low water levels and turns off the heating element to prevent it from running dry, which can cause serious damage to the heater and become a fire hazard.
• Ground Fault Circuit Interrupter (GFCI): A GFCI outlet protects against electrical shock by monitoring the electrical current and shutting off power if any imbalance is detected, enhancing safety in wet environments typical in RV use.
• Insulation and Protective Housing: Many electric RV water heaters are designed with insulation to minimize heat loss and prevent burns, along with protective housing to shield electrical components from water exposure.
• Overcurrent Protection: This feature prevents excessive electrical current from damaging the heater’s components by using fuses or circuit breakers, ensuring that the heater operates safely and efficiently.

What Factors Should You Evaluate When Choosing Between Gas and Electric?

When choosing between gas and electric for your RV water heater, consider the following factors:

• Cost of Fuel: The price of propane and electricity can vary significantly depending on your location and the time of year. Evaluating the ongoing costs of running a gas or electric water heater can help you determine which option is more economical for your long-term travel plans.
• Availability of Resources: Depending on where you are traveling, access to propane refills or electrical hookups may differ. If you often camp in remote areas without electric service, a gas water heater might be more advantageous.
• Heating Speed: Gas water heaters typically heat water faster than electric models. If you need hot water quickly, especially in larger RVs or during peak usage times, a gas heater may be the better choice.
• Energy Efficiency: Electric water heaters are often more energy-efficient and can provide consistent hot water without the need to refill fuel. However, their efficiency can be impacted by the quality of the electrical source, so consider your typical camping conditions.
• Weight and Space Considerations: Gas water heaters can be heavier and take up more space compared to electric models. If your RV has limited weight capacity or storage, this might influence your decision.
• Maintenance Requirements: Gas water heaters often require more maintenance, including checking for gas leaks and burner efficiency. Electric heaters generally have fewer moving parts, making them easier to maintain over time.
• Safety Concerns: Gas appliances can pose safety risks if not properly maintained, such as carbon monoxide leaks. Electric heaters, while generally safer in this regard, can still present risks if electrical systems are not adequately managed.

How Does Resource Availability Influence Your Decision?

Resource availability plays a crucial role in deciding whether to run your RV water heater on gas or electric. Here are some key factors to consider:

• Accessibility of Power Sources: If you are camping in an area with reliable electrical hookups, using electric power may be the most convenient choice. Conversely, in remote locations where electric service is scarce, gas is often the preferred option.

• Fuel Availability: Ensure you have access to propane if choosing gas. Understanding your tank levels and nearest refill stations can influence your decision, especially during extended trips.

• Energy Efficiency: Electric water heaters may take longer to heat water, particularly if the electric supply is limited. In contrast, gas heaters typically provide quicker water heating capabilities, which can be vital when numerous showers are needed.

• Cost Implications: In many regions, propane can be less expensive than electricity, making gas a more economical choice when resources are limited.

• Duration of Stay: For short stops with access to power, electric might suffice. For longer stays, consider the logistics of fuel refilling and energy consumption to avoid running out of resources.

Understanding these factors can help make the best choice for efficient and effective water heating in your RV.

What Space Requirements Are Needed for Different Heating Options?

The space requirements for running an RV water heater depend on whether you choose gas or electric options.

• Gas Water Heater: Gas water heaters typically require more space for installation due to the need for a propane tank and proper ventilation. These units often have a flue or exhaust pipe to safely vent combustion gases outside, necessitating additional space considerations for installation and maintenance.
• Electric Water Heater: Electric water heaters generally occupy less space compared to gas units since they do not require a propane tank or extensive venting. However, they do need access to electrical outlets and can require a dedicated circuit, which may influence where they can be installed within the RV.
• Hybrid Water Heater: Hybrid water heaters combine both gas and electric functionalities, offering flexibility but also needing adequate space for both power sources. Installation may require additional considerations for both gas lines and electrical connections, making them potentially more complex in terms of space requirements.
• Tankless Water Heater: Tankless water heaters can save space as they do not require a large tank; however, they may need specific installation requirements for gas or electric hookups. Depending on the model, tankless units may also require additional ventilation or dedicated circuits, which can impact where they can be installed.

What Common Misconceptions Exist About Gas and Electric RV Water Heaters?

There are several common misconceptions about gas and electric RV water heaters that can affect how users choose to operate them.

• Gas Heaters Are Always Faster: Many believe that gas water heaters heat water more quickly than electric models, but this isn’t always the case.
• Electric Heaters Are More Expensive to Run: Some RV owners think running an electric water heater is more costly compared to gas, but this can vary based on local energy prices.
• Gas Heaters Are Safer: There is a perception that gas heaters are inherently safer than electric ones, but both types have their own safety risks that need to be managed.
• Electric Heaters Cannot Be Used While Driving: A common myth is that you cannot use electric water heaters while the RV is in motion, but this depends on the RV’s electrical system and setup.
• Water Temperature is Consistently Hot with Gas: Some users assume that gas heaters provide a constant supply of hot water, but they can run out quickly if not properly monitored.

Gas water heaters can heat water quickly due to their high BTU output, but electric heaters have improved significantly and can match or even exceed gas in some situations, especially with modern, high-wattage elements. Therefore, the speed of heating depends on the specific models and their capacities rather than the fuel type alone.

The operating costs of electric versus gas water heaters can vary widely based on the local utility rates, the cost of propane, and the efficiency of the specific heater models. In many cases, when parked at a campsite with electrical hookups, using electric can be more cost-effective, while gas may be preferred for off-the-grid situations.

While gas heaters may seem safer due to the absence of electrical components, they carry risks such as gas leaks and combustion issues. Electric heaters, on the other hand, can pose risks like electrical shorts and overheating, so proper care and maintenance are crucial for both types to ensure safety.

The ability to use an electric water heater while driving largely depends on the RV’s power supply system. Many RVs are equipped with inverters that allow the use of electric appliances while on the road, making it feasible to use electric water heaters even when the vehicle is in motion.

Gas water heaters can run out of hot water quickly, especially in larger RVs or during back-to-back showers, which is a common concern that can lead to misconceptions about their efficiency. Regular monitoring and understanding of the heater’s capacity can help users avoid running out of hot water unexpectedly.

What Maintenance Tips Should Be Followed for RV Water Heaters Regardless of Type?

Regular maintenance is crucial for ensuring the longevity and efficiency of RV water heaters, regardless of whether they operate on gas or electric.

• Flush the Tank: Regularly flushing the water heater tank is necessary to remove sediment buildup that can impair efficiency and lead to corrosion.
• Check Anode Rod: Inspecting and replacing the anode rod periodically can prevent tank corrosion, extending the life of the water heater.
• Inspect Hoses and Connections: Regularly checking hoses and connections for leaks or wear can prevent water damage and ensure safe operation.
• Test Pressure Relief Valve: Testing the pressure relief valve ensures it functions correctly, which is crucial for safety and preventing tank overpressure.
• Clean Burner Assembly (Gas Units): For gas water heaters, cleaning the burner assembly helps maintain efficient combustion and prevents soot buildup.
• Check Electrical Connections (Electric Units): Ensuring that all electrical connections are secure and free from corrosion is vital for the safe operation of electric water heaters.

Flushing the tank helps maintain the heater’s efficiency by removing sediments that accumulate over time, which can lead to overheating and damage. This process should be done at least once a year or more frequently if you use hard water.

The anode rod is a sacrificial component that attracts corrosive elements in the water, protecting the tank. It’s important to check it annually and replace it if it has severely corroded, typically every 1-2 years, depending on water quality.

Inspecting hoses and connections ensures that there are no leaks, which can lead to water damage and reduced efficiency. Look for any signs of wear, cracking, or corrosion, and replace any damaged components promptly.

Testing the pressure relief valve is a critical safety measure, as it prevents excessive pressure from building up inside the tank. This valve should be tested at least once a year by lifting the lever and allowing some water to escape, ensuring it reseals properly afterward.

For gas water heaters, keeping the burner assembly clean is essential for optimal performance. Dust and debris can obstruct the burner, leading to inefficient heating and increased gas consumption, so it should be inspected and cleaned regularly.

For electric water heaters, checking electrical connections helps ensure safety and efficiency. Loose or corroded connections can lead to overheating or electrical failures, so it’s essential to inspect these regularly and tighten or replace them as necessary.

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