When the power goes out, whether from a summer storm or winter blizzard, having a reliable source of electricity becomes a top priority. A quality gas generator can be a literal lifesaver, keeping your essential appliances running, your food from spoiling, and your family comfortable. The market is flooded with options, making it tough to choose the right one for your specific needs, from keeping the lights on in a small apartment to running a well pump for an entire house. This guide is here to cut through the noise and help you find the perfect match.
We have spent significant time researching and comparing the top models available in 2025 to bring you this curated list of the best gas generators for power outages. Our selections are based on factors like power output (starting and running watts), fuel efficiency, noise level, portability, and overall reliability. We will break down the key features of each model so you can make an informed decision and invest in peace of mind before the next outage hits.
Our Top Picks for the Best Gas Generators for Power Outages
- Champion Power Equipment 76533 4750-Watt Dual Fuel Generator
- Generac GP8000E 8000-Watt Portable Generator
- Firman WH03242 4000-Watt Dual Fuel Generator
- Honda EU2200i 2200-Watt Super Quiet Inverter Generator
- DuroMax XP13000EH Dual Fuel Portable Generator
- Westinghouse WGen7500 Portable Generator
Champion Power Equipment 76533 4750-Watt Dual Fuel Generator
If you are looking for maximum flexibility during an outage, the Champion 76533 is a fantastic choice. Its standout feature is the ability to run on either gasoline or propane right out of the box. This is a huge advantage because propane has a much longer shelf life than gasoline, which can go bad in just a few months. When a major storm is forecast, propane tanks are often easier to find than gasoline, giving you a crucial backup plan. With 4750 starting watts and 3800 running watts on gasoline, this generator can handle a refrigerator, lights, a well pump, and a window AC unit simultaneously, covering the essentials for most households.
I am particularly impressed with Champion’s Cold Start Technology, which makes starting the generator in chilly weather much simpler. The included battery is also a nice touch, ensuring electric start works when you need it most. The control panel is straightforward, with clear labeling for each outlet, including a 120V 30A RV outlet and a 120/240V 30A locking outlet. While it is not the quietest generator on the market, its noise level is reasonable for a conventional open-frame model. The value for money here is exceptional, offering dual-fuel capability at a price point where many competitors only offer gasoline.
Pros
- Runs on gasoline or propane for excellent fuel flexibility
- Powerful enough for essential home circuits and appliances
- Easy electric start with a reliable battery included
Cons
- Heavier and louder than inverter generators
- Not ideal for powering sensitive electronics like laptops without an additional stabilizer
Generac GP8000E 8000-Watt Portable Generator
Generac is a trusted name in home backup power, and the GP8000E lives up to the reputation. This workhorse delivers 8000 starting watts and 6500 running watts, placing it firmly in the category of generators capable of powering several high-draw appliances. It is an excellent choice if you want the reliability of a well-known brand without some of the premium features that increase the cost. The PowerRush Advanced Technology is a key feature, providing over 30% more starting capacity, which is perfect for motors in refrigerators, freezers, and air conditioners that require a big initial jolt of power.
I find the Generac GP8000E to be straightforward and built for purpose. It has a simple control panel with a circuit breaker for each outlet, a digital hour meter to track maintenance intervals, and a low-oil shutdown sensor to protect the engine. The large steel frame feels very durable, and the never-flat wheels make it relatively easy to move for its size. While it lacks the remote start of the Westinghouse model, its manual electric start is reliable. It is a no-frills, powerful generator that focuses on delivering consistent performance when you need it most.
Pros
- Strong brand reputation for reliability and service
- PowerRush technology offers superior surge power for motor startups
- Durable construction with a reliable low-oil shutdown feature
Cons
- No remote start; electric start requires the key
- Basic features compared to some competitors at a similar price
Firman WH03242 4000-Watt Dual Fuel Generator
The Firman WH03242 is another great dual-fuel option that strikes a nice balance between power, features, and price. With 4000 starting watts on gasoline, it is powerful enough to run a refrigerator, a television, and some lights comfortably. The ability to switch to propane is a major plus for emergency preparedness. I like that it comes with a propane hose already included, so you are ready to go right away. The electric start is a breeze to use, and the digital display shows voltage, frequency, and hours run, which is more information than you get with many generators in this class.
One of the best things about this Firman model is its relatively quiet operation for a conventional generator. It features a “Quiet Power” muffler that helps keep the noise down, which your neighbors will appreciate during an extended outage. It is also equipped with a CO Detect technology that automatically shuts the generator down if it detects dangerous carbon monoxide levels building up in an enclosed space—a crucial safety feature. While it is not an inverter generator, making it less ideal for sensitive electronics, it offers fantastic value for anyone wanting dual-fuel capability and useful safety features without breaking the bank.
Pros
- Affordable dual-fuel capability with propane hose included
- CO Detect safety feature provides peace of mind
- Quieter than many comparable open-frame generators
Cons
- Power output may be limiting for homes with well pumps or central AC
- Not an inverter, so power is not as clean for sensitive devices
Honda EU2200i 2200-Watt Super Quiet Inverter Generator
If your priority is quiet, clean, and efficient power, the Honda EU2200i is the undisputed king. This is the generator you buy when reliability and noise level are your top concerns. Its inverter technology produces stable, clean power (Total Harmonic Distortion of less than 3%) that is safe for sensitive electronics like smartphones, laptops, and flat-screen TVs. I have used this generator for camping and tailgating, and its quiet hum is barely noticeable; at only 48 to 57 dBA, it is quieter than a normal conversation. This makes it perfect for use in suburban neighborhoods where noise ordinances might be a concern.
The Honda EU2200i is incredibly fuel-efficient thanks to its Eco-Throttle system, which automatically adjusts the engine speed to match the load demand. This allows it to run for up to 8.1 hours on a single gallon of gas at a quarter load. It is also remarkably lightweight and portable, making it easy to store and transport. While its 2200 starting watts (1800 running watts) won’t power your entire house, it is ideal for keeping a refrigerator cold, running a few lights, charging devices, and powering a small window AC unit. For ultimate flexibility, two EU2200i models can be paralleled together to double your power output.
Pros
- Extremely quiet and fuel-efficient operation
- Produces clean, stable power safe for sensitive electronics
- Lightweight, portable, and renowned for Honda reliability
Cons
- Higher upfront cost compared to conventional generators
- Limited power output for larger appliances
DuroMax XP13000EH Dual Fuel Portable Generator
For the ultimate in backup power, the DuroMax XP13000EH is a true monster. With a staggering 13,000 starting watts and 10,500 running watts, this generator is designed to power everything in a large home. It is a dual-fuel model, so you can choose between gasoline or propane, giving you flexibility and extended runtimes. The power panel is incredibly comprehensive, featuring a digital multimeter for monitoring voltage and frequency, multiple standard outlets, and both 30A and 50A outlets for connecting to a home transfer switch. This is the generator you get if you never want to worry about running out of power.
I appreciate the robust build quality of the DuroMax. It is powered by a heavy-duty 500cc engine that is built to handle continuous heavy loads. The electric start is powered by a battery, and a recoil start is there as a backup. While it is exceptionally powerful, it is also very large and heavy, so its mobility is limited to its sturdy wheels and handle. The noise level is high, as expected for a generator of this size, so placement away from the house is necessary. If you need maximum power and have the space for it, the DuroMax XP13000EH is an incredible value.
Pros
- Extreme power output for whole-home backup, including central AC
- Dual-fuel capability for operational flexibility
- Comprehensive power panel with a wide variety of outlets
Cons
- Extremely heavy and difficult to move
- Very loud during operation
Buying Guide: 10 Best Gas Generators for Power Outages | 2025
When the power goes out, having a reliable source of electricity can make a huge difference. A gas generator is a popular choice because fuel is widely available. But with so many options, picking the right one can feel overwhelming. I’ve put together this guide to help you understand the key things to think about before you buy one of the 10 best gas generators for power outages | 2025.
First, you need to figure out how much power you actually need. This is the most important step. Make a list of the essential items you want to run. Think about your refrigerator, a few lights, your phone charger, and maybe a fan or a small window AC unit. Add up their starting wattage (which is always higher than running wattage) to get a total. This number will point you toward the right size generator. A small 2,000-watt inverter model is great for camping or powering a few basics, while a large 7,500-watt stationary generator might be necessary to keep your entire house running.
Next, consider the type of generator. Portable generators are versatile and can be moved where you need them, but they require you to store fuel safely and run extension cords. Inverter generators are a type of portable generator that are quieter, more fuel-efficient, and produce cleaner power that’s safe for sensitive electronics like laptops and TVs. Standby generators are permanently installed outside your home and turn on automatically when the power fails. They’re the most convenient option but also the most expensive and require professional installation.
Run time is another big factor. Look at how long the generator can run on a single tank of gas at a typical load. A longer run time means less frequent refueling, which is a major plus during a long outage. If you’re looking at a portable model, check out features like electric start—it’s much easier than pulling a recoil cord, especially in bad weather. Also, think about noise levels measured in decibels (dB). If you have close neighbors, a quieter inverter generator will be much more considerate.
Finally, always, always prioritize safety. Generators produce carbon monoxide, a deadly, odorless gas. Never operate a generator inside your home, garage, or any enclosed space. It must be placed outside, far away from windows and doors. Use heavy-duty, outdoor-rated extension cords. For a more permanent and safer solution, you can have an electrician install a transfer switch, which allows you to power your home’s circuits directly without running cords everywhere. Taking the time to understand these points will help you choose a generator that keeps you safe and comfortable when the lights go out.
FAQ
What size gas generator do I need to run my refrigerator and a few other appliances?
To figure out the right size, you need to do a little math. Check the labels on your appliances for their starting wattage (or surge wattage) and running wattage. A typical refrigerator might need 2,200 watts to start and 700 watts to run. Add the starting wattage of the fridge to the running wattage of other items you’ll use at the same time, like a few lights (60W each) and a TV (120W). This total starting wattage is your target. For most homes wanting to power essentials, a generator in the 3,500 to 5,000-watt range is a good starting point.
Can I run a gas generator in the rain or snow?
Running a generator in wet conditions is risky because water can cause electrocution or damage the unit. You must protect it from moisture. Never run it in an open field during a downpour. Instead, place it on a dry, level surface under a generator-specific tent or a well-ventilated canopy that’s designed for this purpose. These shelters allow exhaust to escape while keeping rain and snow off the generator. Never use it inside a garage, even with the door open.
How often should I perform maintenance on my gas generator?
Regular maintenance is what makes a generator reliable when you need it most. If you’ve just used it, I recommend checking the oil and adding a fuel stabilizer before storing it. For long-term health, you should change the oil and spark plug after every 50-100 hours of use, or at least once a year. It’s also a good idea to start and run the generator for about 15-30 minutes every few months to keep the engine parts lubricated and the battery charged (if it has one).
What is the difference between a regular portable generator and an inverter generator?
The main difference is in the quality and consistency of the electrical power they produce. A standard portable generator runs at a constant speed to produce electricity, which can cause power fluctuations (called THD, or Total Harmonic Distortion). This is fine for tools and lights, but can harm sensitive electronics like computers and flat-screen TVs. An inverter generator adjusts its engine speed to match the demand, which makes it more fuel-efficient, much quieter, and produces very clean, stable power that is safe for all your gadgets.
Is it worth investing in a standby generator instead of a portable one?
It depends on your needs and budget. A portable generator is a more affordable upfront cost and is great for occasional outages or if you need power in different locations. However, you have to set it up, fuel it, and run cords each time. A standby generator is a significant investment and requires professional installation, but it turns on automatically within seconds of a power outage and can power your entire home seamlessly. If you experience frequent or long-lasting outages, the convenience and power of a standby generator are often worth the cost.