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Portable Gas Generators
Portable Gas Generators for Home, Camping, and the Job Site
A portable gas generator remains one of the most straightforward backup power options available: no batteries to keep charged, no complicated switching between fuel types, just gasoline in and power out when you need it. Our lineup includes DuroMax and DuroStar models ranging from mid-size units up through 28,000 watt EFI generators, covering everything from a few essential appliances during a short outage to full home backup during extended power loss.
Small Gas Generators vs Larger Portable Units
Not every situation calls for maximum output. A small gas generator is often the better fit for camping, running a handful of power tools at a job site, or covering light essentials, phones, a few lights, a fan, during a brief outage. Larger units, like the DuroMax XP13000HX or the EFI-equipped XP15000HXT+, are built for scenarios where you're running a refrigerator, well pump, HVAC components, and lighting simultaneously across an entire household. Buying larger than you need adds cost and bulk without benefit, while undersizing leaves you unable to run everything at once, so matching wattage to your actual load is worth doing carefully before you buy.
Why EFI and Dual Fuel Options Matter
Several of our portable gas models, including the XP15000HXT+, use EFI (electronic fuel injection) rather than a standard carburetor, which improves cold-weather starting reliability and reduces the maintenance issues that come with fuel gumming up an unused carburetor between uses. Many units in this collection are also dual or tri fuel capable, meaning a gas portable generator purchase today can still run on propane or natural gas later if you want that flexibility, without needing to buy an entirely different unit.
Frequently Asked Questions
How do I know what size portable gas generator I actually need?
Add up the wattage of everything you'd want to run simultaneously, then compare that total against a unit's continuous output rating rather than its peak or surge rating. For light use like camping or a handful of tools, a smaller generator in the 2,000 to 5,000 watt range is often enough. For whole-home backup covering major appliances, most customers do better in the 8,000 to 13,000 watt range, and it's generally safer to size up rather than cut it close if you're unsure.
How long can gasoline sit in a portable generator before it goes bad?
Untreated gasoline typically starts degrading within one to three months, which can lead to starting issues or carburetor problems if the generator sits unused for an extended period. Adding a fuel stabilizer before storage significantly extends how long the gas stays usable, and running the generator periodically, even briefly, helps keep the fuel system clear. This is one of the reasons many buyers who expect infrequent use opt for a dual fuel model instead, so propane is available as a backup that doesn't have the same degradation issue.
What does EFI mean, and is it worth paying more for?
EFI, or electronic fuel injection, replaces the traditional carburetor with a system that manages fuel delivery electronically, which generally improves starting reliability in cold weather and reduces the buildup issues that come from gasoline sitting in a carburetor between uses. It typically adds cost compared to a standard carbureted model, but for buyers who don't run their generator often, that reduced maintenance headache is usually worth the price difference. For frequent, regular use, the benefit is less pronounced since the fuel system doesn't sit stagnant as long between uses.
