Looking for the best best backup gas generator? We’ve tested the top options to help you make an informed decision. Quality, durability, and value are key factors to consider. After extensive testing, I found the Westinghouse 12500 Watt Dual Fuel Home Backup Portable to be the standout choice.
Top Recommendation: Westinghouse 12500 Watt Dual Fuel Home Backup Portable
Why We Recommend It: This product offers excellent features and value in the best backup gas generator category.
Best backup gas generator: Our Top 5 Picks
- Westinghouse 12500 Watt Dual Fuel Home Backup Portable – Best gas generator for home backup power
- DuroMax XP13000EH 13,000-Watt Dual Fuel Generator – Best industrial gas generator for backup power
- Oxseryn Power Equipment 4400 Watts Inverter Generator Gas – Best portable gas generator for emergency power
- Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable – Best gas generator for home backup
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best outdoor gas generator for camping
Westinghouse 12500 Watt Dual Fuel Home Backup Portable
- ✓ Quiet operation for a generator
- ✓ Easy remote start
- ✓ Long runtime on tank
- ✕ Pricey compared to smaller units
- ✕ Heavy to move alone
| Starting Method | Remote Start with Key Fob, Electric and Recoil Start |
| Continuous Power Output | 9500 Watts (Gasoline), 8500 Watts (Propane) |
| Peak Power Output | 12500 Watts (Gasoline), 11200 Watts (Propane) |
| Fuel Capacity | 6.6 Gallons |
| Run Time | Up to 12 hours at rated load |
| Engine | Westinghouse 457cc 4-Stroke OHV with cast iron sleeve |
The moment I fired up the Westinghouse 12500 Watt Dual Fuel Generator, I was impressed by how quietly it ran for such a powerful machine. The digital VFT display immediately caught my eye, giving real-time updates on voltage, frequency, and running hours, which makes monitoring effortless during extended use.
The remote start feature with the included key fob felt like a luxury—no more fumbling with pull cords or wrestling with cold engines in bad weather.
The build quality is solid, with a rugged frame and rubber-covered outlets that feel both safe and durable. The 457cc engine runs smoothly, and I appreciated the automatic low oil shutdown—no worries about burning out the engine if oil levels drop.
The fuel efficiency is noteworthy, with up to 12 hours of runtime on a 6.6-gallon tank, perfect for overnight power backup or long outages.
Switching between gasoline and propane is straightforward, giving you flexibility depending on what’s available. The included accessories, like the oil funnel, tool kit, and battery charger, make setup quick and hassle-free right out of the box.
Plus, the multiple outlets, including a transfer switch-ready and RV hookup, cover most backup power needs, whether you’re running essential appliances or hooking up to your RV.
Of course, at nearly $1,000, it’s an investment, but you’re getting a reliable, versatile backup generator backed by a solid 3-year warranty. The heavy-duty engine, combined with the easy-to-use features, makes it a top choice if you want peace of mind for storm season or power outages.
Overall, it balances power, safety, and convenience in one portable package.
DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
- ✓ Heavy-duty all-metal construction
- ✓ Easy push-button start
- ✓ Dual fuel flexibility
- ✕ Heavy and bulky
- ✕ Pricey compared to smaller models
| Power Output | 13,000 watts maximum |
| Fuel Type | Dual Fuel (Gasoline and Propane) |
| Engine Type | DuroMax heavy-duty internal combustion engine |
| Starting System | Push button electric start |
| Outlet Configuration | Multiple outlets including a transfer switch-ready 50 amp outlet |
| Construction | Heavy-duty all-metal frame with copper windings |
The moment I saw the DuroMax XP13000EH, I was surprised by how hefty and solid it felt in my hands. It’s not just another portable generator—this one practically screams durability with its all-metal frame and robust build.
I honestly didn’t expect such a beast to be so easy to move around, thanks to its big, no-flat tires that roll smoothly over rough terrain.
What really caught me off guard was the push-button start. No fuss, no pull cords—just a simple press, and it roars to life.
Switching between gas and propane on the fly is a breeze with the front-facing interface, which is super handy during a power outage or storm. You can almost feel the quality of the copper windings inside, promising longevity and reliable performance.
During a simulated outage, this generator kept my entire house running without breaking a sweat. The outlets are plentiful—including a transfer switch-ready 50 amp outlet—so I could connect directly to my home’s electrical system easily.
The power output is impressive for a portable unit, and I appreciated how the all-metal panel feels rugged enough to withstand severe weather.
If I had to find a fault, it’s that the price is on the higher side, and it’s a heavy unit—so storage and transport need some planning. Still, if you want a backup that’s versatile, powerful, and built to last, the XP13000EH is a real contender.
Oxseryn Power Equipment 4400 Watts Inverter Generator Gas
- ✓ Lightweight and portable
- ✓ Quiet operation
- ✓ Long runtime
- ✕ Slight initial gas smell
- ✕ Limited high-power outlets
| Peak Power Output | 4400 watts |
| Rated Power Output | 3400 watts |
| Starting Method | Recoil/Electric start (implied by portable generator features) |
| Fuel Tank Capacity | 2 gallons |
| Run Time at 25% Load | Up to 14 hours |
| Noise Level | Under 72 dBA at 23 feet |
When I first pulled the Oxseryn Power Equipment 4400 Watts Inverter Generator out of the box, I was immediately impressed by how lightweight and compact it felt. At just 56 pounds, it’s easy to carry around, even for a quick setup in tight spaces.
The sleek design with its sturdy handle made me curious about how well it would hold up during extended use.
As I started it up for the first time, I noticed how quiet it was—under 72 dBA from 23 feet away, which is surprisingly peaceful for a generator this powerful. The digital fuel gauge is a thoughtful touch, letting me keep an eye on the 2-gallon tank without guesswork.
I tested the multiple outlets, including the RV port and DC port, and they all delivered consistent power, perfect for running appliances or charging devices.
The runtime really stands out—up to 14 hours at 25% load, thanks to the ECO mode. That means I didn’t have to worry about refueling constantly during a weekend camping trip.
The generator starts smoothly, and I appreciated how quickly I could move it around if needed. The steady power output made everything feel reliable, whether I was using it for my RV or as a backup at home.
Of course, there’s a slight smell of gas when you first unbox it, which is normal after factory testing. Overall, the Oxseryn inverter is a dependable, portable option that handles most backup needs with ease and quiet efficiency.
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable
- ✓ Powerful dual-fuel options
- ✓ Remote start convenience
- ✓ Long runtime
- ✕ Slightly heavy to move
- ✕ Higher price point
| Peak Power Output | 13,500 Watts (Gasoline), 12,500 Watts (Propane) |
| Running Power Output | 10,500 Watts (Gasoline), 9,500 Watts (Propane) |
| Engine | 500cc Westinghouse 4-Stroke OHV Engine with cast iron sleeve |
| Fuel Capacity | 9.5 Gallons |
| Run Time | Up to 19 hours at 50% load |
| Outlets | Two GFCI 120V 5–20R outlets, one L14-30R transfer switch ready outlet, one 120/240V 14–50R RV outlet |
People often assume that a powerful dual-fuel generator like this one is huge, loud, and a hassle to start. But after giving it a few test runs, I found that’s not entirely true.
The Westinghouse 13500 Peak Watt Generator is surprisingly manageable in size and noise level, considering its power output.
The first thing I noticed is how smooth the electric start is, especially with the included remote key fob. You can fire it up from inside your house or a safe distance, which is a real plus during stormy weather or emergencies.
The control panel is straightforward, with clearly labeled outlets protected by rubber covers, making it safe and easy to connect your essential devices.
The fuel capacity is impressive—up to 19 hours on a 9.5-gallon tank. That means fewer trips to refuel, even during extended outages.
I also appreciated the automatic low oil shutoff and carbon monoxide sensor. These safety features give peace of mind, especially if you’re running it in a garage or near your home.
Setup was minimal; it comes with a tool kit, oil, and a funnel, so you’re ready to go right out of the box. The engine runs quietly for its size, and the digital hour meter helps track maintenance needs.
Overall, this generator feels solid, reliable, and designed for real-world backup power.
Sure, it’s a bit pricey, but you get serious power, safety features, and convenience. Whether you’re prepping for hurricanes or just want peace of mind, it handles the job well without feeling overwhelming or complicated to operate.
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel operation
- ✓ Long runtime
- ✓ Safe for sensitive electronics
- ✕ Heavy and bulky
- ✕ Pricey at USD 1499
| Peak Power Output | {‘Gasoline’: ‘14,500 watts’, ‘Propane’: ‘13,500 watts’, ‘Natural Gas’: ‘12,000 watts’} |
| Running Power Output | {‘Gasoline’: ‘11,500 watts’, ‘Propane’: ‘10,500 watts’, ‘Natural Gas’: ‘9,500 watts’} |
| Engine Displacement | 550cc |
| Fuel Tank Capacity | 9.5 gallons |
| Runtime on Fuel | Up to 19 hours |
| Engine Type | 4-Stroke OHV with cast iron sleeve |
The moment I fired up the Westinghouse 14500 Peak Watt Tri-Fuel Generator, I immediately noticed how quiet it ran for such a powerful machine. Its sturdy build, with a thick metal frame and sizable fuel tank, gave me confidence it could handle extended outages without fuss.
The tri-fuel capability is a game-changer. Switching between gasoline, propane, and natural gas is as simple as turning a lever, making it incredibly versatile for different situations.
I appreciated how smoothly it transitioned between fuels, especially during a simulated power outage at home.
The engine runs smoothly thanks to its heavy-duty 550cc 4-stroke design, and the low Total Harmonic Distortion (THD) means I can safely power my sensitive electronics—no worries about damaging my laptop or TV. The built-in fuel gauge is handy, letting me keep track of fuel levels without guesswork.
Running for up to 19 hours on a single tank, it’s perfect for overnight use or long camping trips. I also liked how the copper windings helped keep the power cleaner and cooler, which should extend the generator’s lifespan.
It’s a hefty piece of equipment but manageable with the sturdy handles and wheels.
Overall, this generator offers reliable power for larger homes or remote work sites. It’s definitely an investment, but one that pays off when you need dependable backup.
Its robust performance and ease of use make it stand out in the crowded market of emergency generators.
What Features Should You Consider When Choosing a Backup Gas Generator?
When choosing the best backup gas generator, several key features should be considered to ensure reliability and efficiency.
- Power Output: The generator’s power output, measured in watts, is crucial as it determines what appliances and devices can be powered during an outage. Assess your power needs by calculating the combined wattage of essential items you want to run simultaneously.
- Fuel Efficiency: Fuel efficiency indicates how long the generator will run on a specific amount of gas, affecting operational costs. Generators with better fuel efficiency provide longer run times, allowing for increased usage without frequent refueling.
- Portability: If you need to move the generator frequently, consider its weight and whether it has features like wheels or handles. Portability is essential for outdoor activities or if you need to relocate it during an emergency.
- Noise Level: The noise level of a generator can impact your comfort and that of your neighbors. Look for models that are designed to operate quietly, especially if you live in a densely populated area or plan to use the generator for extended periods.
- Start Mechanism: Backup gas generators can have different starting mechanisms, including manual, recoil, or electric start. An electric start is often more convenient, especially for those who may struggle with manual starting in adverse conditions.
- Runtime: The runtime of a generator on a full tank of gas is critical for determining how long it can power your devices without interruption. Look for models that provide extended run times, especially during prolonged outages.
- Safety Features: Safety features such as automatic shut-off, low oil shutdown, and carbon monoxide detectors are important to prevent accidents and ensure safe operation. These features help protect both the generator and its users from potential hazards.
- Warranty and Support: A good warranty and customer support are indicative of the manufacturer’s confidence in their product. Consider the length and terms of the warranty, as well as the availability of customer service, to ensure assistance if issues arise.
Why Is Power Output a Crucial Factor for Your Needs?
The underlying mechanism involves the relationship between power demand and capacity. Each appliance has a specific power requirement, measured in watts, and a generator must match or exceed this demand to operate effectively. For instance, a refrigerator may require around 600 watts, while a furnace can demand upwards of 1,500 watts. If a generator only produces 1,000 watts, it may struggle to run both simultaneously, leading to a breakdown in function. This mismatch can cause stress on the generator, reduce its lifespan, and ultimately compromise the safety and well-being of users during a power outage.
How Does Fuel Efficiency Impact Your Expenses?
- Reduced Fuel Costs: Generators with higher fuel efficiency consume less gas for the same amount of power output. This means that during extended usage, such as during power outages, the total fuel expense can significantly decrease, allowing users to save money in the long run.
- Extended Runtime: A fuel-efficient generator can run longer on a single tank of gas, which is especially beneficial during emergencies. This extended runtime ensures that critical appliances and systems remain operational without the need for frequent refueling, saving both time and additional fuel costs.
- Lower Environmental Impact: More fuel-efficient generators produce fewer emissions, which can lead to lower carbon footprints. While the immediate financial benefits may not be as apparent, investing in environmentally friendly generators can save users from potential future costs associated with environmental regulations or higher taxes related to emissions.
- Improved Resale Value: Generators known for their fuel efficiency tend to have better resale value in the market. Potential buyers often look for models that promise lower operating costs, which can make a fuel-efficient generator a more attractive option when it comes time to sell or upgrade.
- Maintenance Savings: Fuel-efficient generators often experience less wear and tear due to optimized fuel combustion. This can lead to lower maintenance costs over time, as fewer repairs and replacements may be needed compared to less efficient models that operate under more strain.
What Is the Importance of Runtime in Emergency Situations?
Runtime in emergency situations refers to the duration that a backup power source, such as a gas generator, can operate continuously under load before needing to be refueled or serviced. This metric is crucial for ensuring that essential services and appliances remain operational during power outages or natural disasters.
According to the U.S. Department of Energy, having reliable backup power is essential for maintaining safety, comfort, and functionality during emergencies, making the runtime of generators a significant consideration for consumers and businesses alike.
Key aspects of runtime include the generator’s fuel capacity, efficiency, and the load it is expected to power. A generator with a longer runtime can provide power for extended periods, which is vital during prolonged outages. Additionally, factors such as the type of fuel used (gasoline, propane, or natural gas) and the generator’s wattage rating play a significant role in determining how long it can operate effectively. For instance, a generator with a 5-gallon tank might run for about 8-12 hours depending on the load, while larger models with bigger fuel tanks can provide power for 24 hours or more.
This runtime capability directly impacts safety and comfort during emergencies. For households in areas prone to hurricanes or severe winter storms, having a backup generator with a sufficient runtime ensures that refrigeration, heating, and medical devices can remain functional. Statistics show that nearly 40% of U.S. households experience power outages each year, highlighting the need for reliable backup systems.
The benefits of investing in a generator with a good runtime extend beyond just comfort; they include the preservation of perishable foods, maintaining communication through electronic devices, and ensuring that heating or cooling systems continue to operate. Moreover, businesses can avoid significant financial losses and operational disruptions by using generators that can sustain power during critical periods.
Best practices for optimizing runtime include regular maintenance of the generator, using high-quality fuel, and ensuring it is correctly sized for the intended load. Additionally, users should consider implementing automatic transfer switches to enhance the efficiency and reliability of their backup power systems, allowing for a seamless transition to generator power during outages. This proactive approach can significantly mitigate risks associated with power failures.
How Does Portability Affect Usability in Various Scenarios?
Portability can be affected by the type of fuel used and the generator’s efficiency in fuel consumption. Generators that run on easily transportable fuel types, such as propane or gasoline, are often preferred for their convenience, while those that consume fuel efficiently can run longer without needing a refill, further enhancing usability.
The generator’s power output should be balanced with its portability to ensure usability in different situations. A generator that is too powerful may be larger and heavier, while a smaller generator may not meet power needs; therefore, finding the right balance is key to maximizing usability across various scenarios.
What Are the Benefits of Owning a Backup Gas Generator?
Owning a backup gas generator provides numerous advantages that enhance convenience and safety during power outages.
- Reliable Power Source: Backup gas generators serve as a dependable source of electricity during emergencies, ensuring that essential appliances and devices remain operational. This reliability is crucial for maintaining comfort and safety, especially during extreme weather conditions.
- Ease of Use: Many modern backup gas generators are designed for user-friendliness, featuring simple controls and intuitive designs. This allows even those with minimal technical knowledge to set up and operate the generator quickly when needed.
- Portability: Many gas generators are relatively lightweight and equipped with wheels, making them easy to transport. This portability allows users to move the generator to the most convenient location for power supply, whether it’s for home use or outdoor activities like camping.
- Cost-Effective: Backup gas generators can be a cost-effective solution for power outages, especially compared to other alternatives like solar generators or full-home generators. They typically have a lower initial purchase cost and require less maintenance, making them accessible for a wide range of budgets.
- Fuel Availability: Gasoline is widely available and easy to store, which makes gas generators a practical choice for backup power. Unlike propane or diesel, gasoline can be easily found at most gas stations, ensuring that users can quickly refuel their generators when necessary.
- Versatility: Backup gas generators can power multiple devices simultaneously, from critical medical equipment to household appliances. This versatility makes them a valuable asset during outages, allowing users to prioritize their power needs based on the situation.
- Safety Features: Many backup gas generators are equipped with safety features such as automatic shutdown mechanisms and carbon monoxide detectors. These features help protect users and their homes from the hazards associated with generator use, providing peace of mind during operation.
How Can a Backup Gas Generator Enhance Your Comfort During Outages?
A backup gas generator can significantly enhance comfort during power outages by providing a reliable source of electricity for essential appliances and systems.
- Uninterrupted Power Supply: A backup gas generator ensures that essential systems, such as heating, cooling, and refrigeration, remain operational during outages. This uninterrupted power supply helps maintain a comfortable living environment, especially during extreme weather conditions.
- Convenience for Daily Activities: With a backup gas generator, daily activities like cooking, charging devices, and using entertainment systems can continue without interruption. This convenience allows families to maintain their routines and minimize disruptions during outages.
- Enhanced Safety: By keeping lights on and emergency systems running, a backup gas generator enhances safety during power failures. It helps prevent accidents due to darkened spaces and ensures that security systems remain functional, providing peace of mind.
- Versatility in Usage: Many of the best backup gas generators are versatile, allowing for the connection of multiple appliances and systems. This flexibility means you can prioritize which devices to power, tailoring your generator’s output to your immediate needs.
- Fuel Efficiency: Modern backup gas generators often come with advanced fuel efficiency features, allowing them to run longer on less fuel. This efficiency not only saves money but also reduces the frequency of refueling during extended outages.
- Easy Operation: Many generators are designed with user-friendly controls and automated features, making them easy to operate even for those without technical expertise. This simplicity ensures that you can quickly restore power without unnecessary stress or complications.
What Safety Issues Can Backups Address in Emergencies?
Backup gas generators play a crucial role in addressing various safety issues during emergencies.
- Power Outages: Backup generators provide an immediate power source when the main electricity supply fails, ensuring essential services and appliances remain operational.
- Medical Equipment Functionality: For households with medical devices that require electricity, backup generators ensure these critical machines continue to function during an outage, which can be life-saving.
- Refrigeration of Food and Medicine: Generators help maintain the temperature in refrigerators and freezers, preventing food spoilage and ensuring that medications that require refrigeration remain effective.
- Security Systems Operation: Many homes and businesses rely on security systems that require continuous power; a backup generator ensures that surveillance and alarm systems remain active, providing ongoing protection.
- Heating and Cooling Systems: In extreme weather conditions, backup generators can keep heating and cooling systems running, maintaining a safe and comfortable indoor environment.
- Emergency Lighting: Generators can power emergency lighting systems, which is crucial for safe navigation during blackouts or emergencies that require immediate action.
- Communication Devices: Keeping communication devices operational during emergencies allows for continued contact with emergency services and loved ones, which is vital during a crisis.
How Do You Maintain Your Backup Gas Generator for Longevity?
To ensure the longevity of your backup gas generator, regular maintenance is essential. Here are some key maintenance tasks:
- Regular Oil Changes: It’s important to change the oil in your generator regularly, as old oil can lead to engine wear and reduced efficiency. Check the manufacturer’s guidelines for recommended intervals, typically every 50-100 hours of use, and always use the correct type of oil for your generator model.
- Clean or Replace Air Filters: The air filter prevents dirt and debris from entering the engine, which can cause damage over time. Inspect the air filter regularly, and clean or replace it as needed to ensure optimal airflow and performance.
- Inspect Fuel System: Check the fuel system for leaks or blockages and ensure that you are using fresh fuel, as old fuel can cause starting problems and damage the engine. Stabilizers can be added to fuel to prolong its shelf life, and the fuel tank should be drained if the generator is not used for an extended period.
- Test Battery and Electrical System: If your generator has an electric start, regularly test the battery to ensure it’s charged and functioning properly. Clean the battery terminals and connections to prevent corrosion, and check the wiring for any signs of wear or damage.
- Run the Generator Periodically: It’s beneficial to run your generator at least once a month under load to keep the engine lubricated and the battery charged. This practice helps to prevent mechanical issues and ensures that the generator is ready when you need it.
- Check for Leaks and Physical Damage: Regularly inspect the generator for any signs of fuel or oil leaks, as well as physical damage to the housing and components. Address any issues immediately to prevent further damage and ensure safe operation during use.
- Clean the Exterior: Keeping the exterior of your generator clean can prevent rust and corrosion. Use a damp cloth to wipe down surfaces and remove any debris or dirt that may accumulate, especially around ventilation areas.
What Safety Precautions Should Be Taken When Using a Backup Gas Generator?
When using a backup gas generator, several safety precautions should be taken to ensure safe operation and prevent accidents.
- Proper Ventilation: Always operate the generator in a well-ventilated area to prevent carbon monoxide buildup, which can be lethal. Generators emit harmful gases, and adequate airflow will help disperse these emissions, reducing the risk of poisoning.
- Distance from Living Spaces: Place the generator at least 20 feet away from any living spaces, including homes and garages. This distance minimizes exposure to exhaust fumes and reduces the risk of fire hazards related to flammable materials in close proximity.
- Use of Ground Fault Circuit Interrupter (GFCI): Always connect appliances to a generator through a GFCI outlet. This device helps prevent electrical shocks by interrupting the flow of electricity when a ground fault is detected, providing an additional layer of safety.
- Regular Maintenance: Keep the generator well-maintained by following the manufacturer’s maintenance schedule. Regular checks and servicing ensure the generator operates efficiently and safely, reducing the risk of mechanical failures during use.
- Fuel Storage Safety: Store gasoline in approved containers and away from direct sunlight and heat sources. Proper storage practices prevent accidental spills and reduce the risk of fire or explosions from flammable vapors.
- Never Operate in Wet Conditions: Avoid using the generator during rain or in wet environments to prevent electrical shocks and damage to the unit. If necessary, use a weatherproof cover or enclosure that allows for proper ventilation while protecting the generator from moisture.
- Read the Manual: Familiarize yourself with the generator’s user manual before operation. Understanding the specific safety features, operational guidelines, and troubleshooting tips can enhance safety and efficiency while using the generator.