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10 Best Generators 2025 in the United States
#1
Winner
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
The DuroMax XP15000HX is a powerful dual fuel generator delivering up to 15,000 starting watts and 12,000 running watts, making it well-suited for whole-home backup during outages or heavy-duty commercial use. Its ability to run on both gasoline and propane offers flexibility—propane is cleaner, lasts longer in storage, and is easy on maintenance. The generator features a large 670cc engine with all-copper windings, which means it’s built for durability and long-term use. Starting it is simple with a push-button remote electric start, and switching between fuels is quick thanks to a front-facing fuel selector. The control panel is user-friendly, showing important information like voltage and maintenance hours on a digital meter.
Rating
10.0
Chosen by1,161
Power Output (Wattage)
Most important from
2280 reviews
#2
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
The Westinghouse 28000 Peak Watt Tri-Fuel Generator is a powerful option designed mainly for larger homes needing reliable backup power. It provides a hefty 20,000 running watts on gasoline with a peak of 28,000 watts, which means it can handle heavy loads and multiple appliances at once. One big strength is its tri-fuel capability: it runs on gasoline, propane, or natural gas, offering flexibility if fuel availability varies. With a 17.2-gallon gas tank, it can run up to about 13 hours at a quarter load, which is good for extended outages.
Rating
10.0
Power Output (Wattage)
Fuel Type
Run Time
Most important from
218 reviews
#3
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
The Generac 7210 24kW Air Cooled Guardian Series Home Standby Generator is a robust choice for homeowners looking for dependable power during outages. One of its standout features is the impressive 24,000 watts of power output, which is more than sufficient to keep essential appliances running smoothly. The generator is designed to operate on natural gas or LP gas, making it flexible regarding fuel options. Its 200-amp transfer switch ensures that your entire home can be powered, providing peace of mind during unexpected blackouts.
Rating
8.8
Power Output (Wattage)
Noise Level
Most important from
425 reviews
Top 10 Best Generators 2025 in the United States
#1
Winner
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 15000 starting, 12000 running watts
Fuel Type: Gasoline, Liquefied Petroleum Gas
Portability: Wheels, handle, 345 pounds
Start Type: Push-button remote electric start
Inverter Technology: No
Chosen by 1161 this week
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Power Output (Wattage): 20000 running, 28000 peak watts
Fuel Type: Gasoline, propane, natural gas
Run Time: About 13 hours at quarter load
Portability: Large wheels, foldable handles, 557 lbs
Start Type: Remote electric start
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Power Output (Wattage): 24000 watts
Fuel Type: Natural Gas or LP Gas
Start Type: Electronic
Inverter Technology: True Power Technology
Westinghouse 28000 Peak Watt Home Backup Portable Generator, Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered,Blue
Westinghouse 28000 Peak Watt Home Backup Portable Generator, Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered,Blue
Power Output (Wattage): 20000W (Running), 28000W (Starting)
Fuel Type: Gas Powered
Run Time: 17 hours at 25% load
Start Type: Electric start with auto choke
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
Power Output (Wattage): 13000 starting, 10500 running watts
Fuel Type: Gasoline, Propane, Natural Gas
Run Time: 8 hours
Portability: Wheel, handle kit, 240 pounds
Noise Level: 74 dB
Outlets and Connectivity: 7 outlets, 50 amp switch-ready
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Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 12500
Fuel Type: gasoline, propane
Run Time: 12 hours
Portability: wheels, handle
Start Type: remote electric, recoil start
DuroMax XP16000iH 16,000-Watt Dual Fuel Portable Digital Inverter Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP16000iH 16,000-Watt Dual Fuel Portable Digital Inverter Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 16000W peak, 13000W running
Fuel Type: Gasoline, Propane
Run Time: 10 hours
Portability: 368 pounds
Start Type: Remote electric start
Inverter Technology: Yes
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 13000
Fuel Type: GASOLINE / PROPANE
Portability: Portable
Start Type: Electric Start
WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start, Wheel Kit, and CO Watchdog (TF1450X)
WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start, Wheel Kit, and CO Watchdog (TF1450X)
Power Output (Wattage): 14500W surge, 11500W running
Fuel Type: Gasoline, Propane, Natural Gas
Run Time: Up to 12 hours at half load
Portability: 252 pounds, includes wheel kit
Outlets and Connectivity: Multiple outlets: household, heavy-duty, 12V
#10
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 13500 watts
Fuel Type: Gasoline, LPG
Run Time: 19 hours
Portability: 230 pounds
Start Type: electric and recoil start
Inverter Technology: none
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Buying Guide for the Best Generators
Choosing the right generator can make it much easier to handle power outages, run equipment at job sites, or even enjoy comforts during camping trips. To find the best fit for your needs, it's important to understand the key specifications that affect how a generator will perform in different situations. Each user's main need—whether it's for emergency home backup, powering tools, or recreational use—should guide their decisions as they compare different options.Power Output (Wattage)Power output, measured in watts, tells you how much electrical equipment your generator can run at once. This spec is crucial because using a generator that's too small for your needs can lead to overloaded circuits, while buying one much larger than required means unnecessary size and maintenance. Power output is usually divided into 'starting watts' (the initial burst needed for appliances like fridges to kick on) and 'running watts' (the steady power required). For light, occasional use like camping, small generators around 1,000-2,000 watts may suffice. Medium duty, such as running a few household essentials or some tools, often needs 3,000-5,000 watts. Heavy duty, like whole house backup or construction jobs, usually begins at 6,500 watts and up. To choose, list out what you want to run and check their wattages to find the right fit.
Fuel TypeGenerators run on fuels like gasoline, diesel, propane, or even dual-fuel combinations. Each has its pros and cons in terms of availability, storage, and long-term maintenance. Gasoline is easy to find and portable but spoils over time and needs more frequent maintenance. Diesel engines are more robust for heavy, prolonged use but generally louder and heavier. Propane stores well for longer periods and burns cleaner, making it popular for occasional or emergency use. Some models can switch between fuels, offering flexibility. When deciding, think about how often you'll use the generator and which fuels are most convenient and safe for you to store and access.
Run TimeRun time measures how long a generator can operate on a single tank of fuel at a specified load (usually half capacity). This spec matters because longer run times mean fewer interruptions to refuel, which can be essential during outages or long events. Short run time (around 4-6 hours) might be enough for camping or intermittent use, while 8-12 hours or more is more comfortable for overnight backup or all-day job sites. Match this to your expected usage pattern; if you need to run things overnight, look for longer run times at your typical load.
PortabilityPortability describes how easy it is to move the generator. Small, lightweight models with handles are great for outdoor recreation or occasional use, while larger, heavier units may have wheels and sturdy frames for mobility on job sites or around the home. If the generator is mostly staying in one place for emergencies, weight might not matter much; but if you plan to move it often, check the weight and ensure it has features like wheels or ergonomic handles.
Noise LevelNoise level, measured in decibels (dB), tells you how loud the generator will be running, which can affect your comfort and local regulations. Quiet generators (below 60 dB) are more suitable for camping, RVs, or residential neighborhoods, while construction site models can be much louder (70 dB and above). If you need peace and quiet or will be using it near other people, focus on lower-noise options; for remote or outdoor work, higher noise may not be as important.
Outlets and ConnectivityDifferent generators offer various combinations of outlets, such as standard household, RV, twist-lock, or USB types. Some models also include features like parallel connections (to link two generators for more power) or transfer switch compatibility for easier home backup. The right choice depends on what you need to plug in: For electronics, look for pure sine wave or inverter generators; for direct home connection, ensure the generator meets relevant safety and transfer switch requirements.