Best Backup Generators for All-Electric Homes
When you need dependable power during outages, a dual- or multi-fuel generator is essential for an all-electric home. This guide highlights five top options that balance capacity, fuel flexibility, and safety features. Each pick is suited to larger homes, long outages, or hard-wired transfer-switch setups. Read on to compare why each model stands out and who should choose it.
| Product | Best For | Key Feature |
|---|---|---|
| Westinghouse 12500 Dual Fuel | Larger homes; frequent outages | Gas or propane with remote start |
| DuroMax XP13000EH | Whole-home backup; flexible fuel | 13,000W dual fuel; electric start |
| Westinghouse 14500 Peak Dual Fuel | Prolonged outages | High peak power; long run times |
| Westinghouse 13500 Peak Dual Fuel | Power-hungry loads; multi-point outlets | Balanced peak and running watts |
| DuroStar DS13000MX | Emergency readiness; CO safety | Dual fuel; CO alert |
Westinghouse 12500 Watt Dual Fuel Back-Up Generator

Best for homes that require substantial wattage with fuel flexibility. This model delivers 9500 running watts and 12500 peak watts on gasoline, or 8500 running watts and 11200 peak watts on propane. It includes remote start with a key fob, plus electric and recoil start options. A 6.6-gallon tank yields up to 12 hours of runtime under suitable loads, and a digital hour meter plus VFT display keeps you informed about voltage, frequency, and lifetime hours. It ships with multiple outlets, including transfer switch readiness and RV-capable receptacles, all with safety-tested rubber covers.
Best for: households needing substantial surge capacity and transfer-switch compatibility. Choose this if you want remote start and a broad outlet set for home, RV, and critical circuits. Caution: heavy unit and 457cc engine require proper anchoring and ventilation.
DuroMax XP13000EH 13,000-Watt Dual Fuel

The XP13000EH targets whole-home backups with a strong dual-fuel design. It delivers 13,000 watts of power and supports propane or gasoline, offering fuel flexibility during shortages. DuroMax emphasizes a robust engine line and a focus on durable power delivery. This unit is ideal for larger homes or properties requiring steady, high-capacity output and a transfer-switch-ready setup. It’s best for buyers who want reliable power with a straightforward, high-output option.
Best for: users needing a high-wurst power output with dual-fuel choices and a straightforward installation path. Caution: ensure you have adequate clearance for the sizeable generator and ventilation requirements.
Westinghouse 14500 Peak Watt Dual Fuel Generator

Designed for larger homes or serious portable power needs, this model delivers 11,500 running watts on gasoline and 10,500 running watts on propane, with a 13,500 peak on propane and 13,500 on gas depending on configuration. It runs up to 19 hours on a 9.5-gallon tank and features two 20A GFCI outlets plus a 30A transfer switch receptacle and a 50A RV-ready outlet. The 500cc Westinghouse OHV engine, cast iron sleeve, and safety shutoffs support long-run reliability. This is a strong choice for ongoing outages or jobsites that demand steady power.
Best for: households needing longer run times and a broad outlet selection. Choose this if you want robust continuous power with good surge support. Caution: heavier and louder than smaller portable units.
Westinghouse 13500 Peak Watt Dual Fuel

With 11,500 running watts on gasoline and 9,500 running watts on natural gas, this tri-power design features a 550cc Westinghouse engine and a 9.5-gallon tank with a fuel gauge. It offers a 30A transfer switch receptacle and an RV-ready 50A outlet, plus two 20A GFCI outlets. The unit includes a long-running fuel system and a digital hour meter for maintenance planning. It’s a solid middle-ground option for those who want balanced peak and running wattage across multiple fuels.
Best for: buyers who need a versatile, mid-to-large capacity unit with multiple fuel options and transfer-switch readiness. Caution: natural gas performance may be limited by supply pressure; check local gas line compatibility.
Westinghouse 6600 Watt Dual Fuel with CO Sensor

Compact for its size, this model offers 6600 peak watts and 5300 running watts on gasoline, or 5900 peak and 4800 running watts on propane. It includes a push-button electric start with a remote, a 4.7-gallon fuel tank with gauge, and up to 14.5 hours of runtime with an appropriate load and 120/240V selector. It provides a 5–20R 120V outlet, an RV-ready TT-30R, and a transfer switch receptacle. It arrives with basic accessories, reducing setup time for immediate needs.
Best for: buyers seeking a lighter, more portable option for essential circuits or smaller homes. Caution: lower peak wattage may limit simultaneous heavy-load appliances.
DuroStar DS13000MX 13,000-Watt Dual Fuel

Designed for full-home power backup, the DS13000MX delivers 13,000 watts of power with dual-fuel capability and a heavy-duty build. The CO alert feature adds safety by automatically shutting down the unit if dangerous carbon monoxide levels are detected. This model is well-suited for larger homes or work sites where continuous power is critical and fuel options are essential for prolonged outages. It integrates with transfer-switch setups and supports RV-ready and household circuits via multiple outlets.
Best for: buyers prioritizing safety features and reliable high-capacity performance. Caution: ensure proper installation and ventilation to accommodate the CO shutoff system.
Buying Guide: Key Considerations For All-Electric Homes
- Fuel options: Dual-fuel or tri-fuel units offer flexibility when gasoline or propane supplies are limited. Consider availability in your area and maintenance access.
- Power needs: Calculate your essential circuits and peak loads. Look for generators with higher running watts than your typical daily usage to avoid overloads.
- Transfer switch compatibility: If you plan to power a whole-home load, ensure the unit is transfer-switch ready and compatible with your home’s panel.
- Run time and fuel tank size: Longer outages demand larger tanks and efficient engines. Review advertised run times at a standard load to gauge real-world performance.
- Safety features: CO shutoffs, GFCI outlets, and rubber outlet covers reduce risk. A CO watchdog or automatic shutdown improves protection in homes with occupants sensitive to fumes.
- Portability vs. fixed installation: Portable units are easier to move but require stable setup and ventilation; stationary setups with proper transfer switches deliver seamless power distribution.
- Noise level and footprint: Larger units generate more noise and require adequate clearance. If you’re in a quiet neighborhood, consider models with better muffling and lower dB ratings.
FAQ
- What is the difference between running watts and peak watts?
Running watts measure continuous power output; peak watts indicate maximum surge power for startup loads like AC units or pumps. - Do I need a transfer switch for a home generator?
Yes. A transfer switch safely isolates your house from the grid during outages and prevents backfeeding into utility lines. - Can I run all appliances on a backup generator?
Most homes don’t run every appliance at once. Prioritize essential circuits and check the unit’s total running watts against your needs. - Is dual-fuel better than single-fuel?
Dual-fuel offers fuel flexibility during shortages, which can be crucial in prolonged outages or remote locations. - What maintenance is required?
Regular oil changes, air filter checks, and spark plug/service intervals help maintain performance and longevity. - How do I choose the right size for my home?
List critical loads, calculate total wattage, and select a unit with a comfortable margin above peak demand to prevent overloads.