Best Gas Back Up Generators for Home Power
Answering the need for reliable portable power, these gas back up generators are suitable for mid-to-large homes, RVs, and emergency situations. The top picks span heavy-duty dual-fuel options, high-wattage triplex fuel models, and compact inverters for sensitive electronics. This guide helps buyers choose based on power demand, fuel flexibility, runtime, and startup features. Target buyers include homeowners preparing for outages, campers needing portable power, and professionals requiring transfer-switch compatibility.
| Product | Best For | Key Benefit |
|---|---|---|
| Westinghouse 14500 Tri-Fuel | Large homes, backup during extended outages | High peak and running watts across gas, propane, and natural gas |
| Oxseryn 4400 Inverter | RV and cabin backup | Quiet operation with ECO mode and multiple outlets |
| Westinghouse 12500 Dual Fuel | Home and transfer-switch setups | Remote start and multiple outlets with transfer-switch readiness |
| DuroStar DS13000MX | Whole-home readiness | 13,000 watts with dual fuel and safety features |
| Westinghouse 13500 Peak Dual Fuel | Emergency power with long runtime | High peak power and dual fuel versatility |
Westinghouse 14500 Peak Watt Tri-Fuel Backup Generator
Best for buyers needing maximum power with flexible fueling. This model delivers 14,500 peak watts with gasoline, 13,500 peak on propane, and 12,000 peak on natural gas, making it suitable for large homes and job sites. The heavy-duty 550cc Westinghouse OHV engine with a cast iron sleeve supports long runtimes on a 9.5-gallon tank (gas) and up to seven hours on a 20-pound propane tank. Remote electric start and transfer switch readiness enhance convenience during outages.
Who it’s best for: homeowners who want the strongest portable power with multiple fuel options. Why chosen: the Tri-Fuel capability minimizes refueling constraints and broadens compatibility with existing fuel sources. Caution: heavier units may require proper storage and lifting assistance for transport.
Oxseryn Power Equipment 4400 Watts Inverter Generator
Best for RV owners and light-to-medium power needs with quiet operation. Output includes 4400 peak watts and 3400 running watts, plus multiple ports (2x120V, 1x12V DC, 1x RV). The ECO mode extends runtime, with an approximately 14-hour operation at 25% load on a two-gallon tank. Inverter technology supports clean power for sensitive electronics.
Who it’s best for: travelers and campers seeking portable, low-noise power. Why chosen: compact design and ECO mode make it suitable for intermittent use. Caution: limited runtime at higher loads; not ideal for whole-home backup without stacking units.
Westinghouse 12500 Watt Dual Fuel Backup Generator
Better for transfer-switch ready systems and steady power during outages. This model provides 12500 peak watts on gasoline and 11200 peak watts on propane, with 12 hours of run time on a 6.6-gallon tank. It includes remote start, a digital hour meter, and a VFT display for real-time output data. Dual outlets and a transfer switch-ready configuration support seamless home integration.
Who it’s best for: homeowners planning a transfer-switch setup. Why chosen: robust dual-fuel performance and helpful automation features. Caution: ensure proper clearance and ventilation for dual-fuel operation.
DuroStar DS13000MX 13,000-Watt Dual Fuel
Choose this for higher power availability with fuel flexibility. The DS13000MX runs at 13,000 watts with dual-fuel capability (gasoline or propane), providing extended run times and resilience during outages. It offers remote electric start and transfer switch readiness for easy home integration, along with safety features like CO alert for reduced risk from fumes.
Who it’s best for: households needing substantial, flexible power and a straightforward transfer-switch path. Why chosen: dual-fuel capability balances power with fuel availability. Caution: heavier and bulkier than portable inverter models, requiring storage space.
Westinghouse 13500 Peak Watt Dual Fuel
Best for high-demand outages with fast response. This dual-fuel model peaks at 13500 watts with gasoline and 12500 watts with propane, supported by a 9.5-gallon fuel tank and a fuel gauge. It includes two GFCI outlets, a transfer switch-ready outlet, and an RV-ready option. The engine uses a cast-iron sleeve for durability, with a CO shutdown feature for safety during operation.
Who it’s best for: homes needing strong, reliable power with flexible fuel choices. Why chosen: the high peak wattage paired with transfer-switch readiness makes it a strong all-around option. Caution: some users may prefer a larger fuel tank for longer outages.
Buying Guide
Power needs: Start by calculating your essential loads and a safe surge margin. For whole-home backup, look for units with higher peak watts and robust fuel capacity.
Fuel type and availability: Dual-fuel or tri-fuel models offer flexibility; match your local fuel access (gasoline, propane, natural gas) and expected outage duration.
Startup and transfer options: Remote electric start and transfer-switch readiness simplify operation during power events. Ensure you have the proper transfer switch installed by a professional.
Runtime and efficiency: Compare gallons per hour at typical load and the efficiency of engines and alternators. Inverters provide cleaner power for electronics but may have lower raw wattage.
Portability vs. permanence: Large backup units excel for home power, while compact inverters suit RVs and camping. Consider wheel kits, handle design, and storage space.
FAQ
- What is peak wattage and why does it matter for a home backup generator?
Peak wattage indicates the maximum surge the generator can deliver for brief periods. It matters because some appliances require higher starting watts than running watts.
- Is dual fuel better than single fuel for outages?
Dual fuel offers more fuel options during an outage, increasing resilience if one fuel source is scarce.
- Do I need a transfer switch for a home generator?
A transfer switch provides a safe, code-compliant connection to the home electrical system, allowing you to select circuits to power during an outage.
- Can inverter generators power household appliances?
Yes, many inverter generators provide clean, stable power suitable for electronics, though some high-load appliances may require higher wattage models.
- What maintenance should I expect for these generators?
Regular oil changes, spark plug checks, air filter cleaning, and battery maintenance for electric starts are typical requirements. Always follow the manufacturer’s guidelines.