Best Dual Fuel Generators Made in USA for Backup Power
Looking for dependable dual fuel generators built in the United States? This guide highlights five top options that balance power, versatility, and safety. Each model supports both gasoline and propane, helping you adapt to fuel availability during outages or off-grid events. The selections are suitable for different buyers: whole-home backup planning, RV life, job sites, and outdoor enthusiasts seeking portable power with transfer-switch compatibility.
| Product | Best For | Notes |
|---|---|---|
| Westinghouse 12500 Watt Dual Fuel | Medium-to-large homes, transfer-switch ready | Gasoline peak, propane running watts |
| Westinghouse 13500 Peak Watt Dual Fuel | Larger homes, long runtimes | Higher peak, CO shutdown |
| Westinghouse 4650 Peak Watt Dual Fuel | RV and short outages | Compact, CO sensor |
| Westinghouse 14500 Peak Watt Dual Fuel | Big homes, high-demand loads | Extended runtime, large tank |
| DuroStar DS13000MX 13,000-Watt | Residential power backup, remote start | Dual fuel with safety features |
Westinghouse 12500 Watt Dual Fuel Generator
Power profile: 9500 Running Watts and 12500 Peak Watts on gasoline; 8500 Running Watts and 11200 Peak Watts on propane. Features include remote start with key fob, electric and recoil start options, and a 6.6-gallon tank for up to 12 hours runtime. It offers a transfer-switch-ready 120V outlet and an RV-ready 50A outlet, plus a 30A L14-30R. CO emphasis is not stated, so usage should follow safety norms for CO environments. Best for homeowners who want a robust backup with transfer-switch readiness and remote control.
Who this is for: Homeowners seeking a strong, all-in-one backup solution with multiple outlets and remote start for quick restoration after outages. Why selected: high peak and solid runtime, plus transfer-switch compatibility.
Caution: Propane performance is lower on running watts than gasoline; plan fuel accordingly to meet load needs during extended outages.
Westinghouse 13500 Peak Watt Dual Fuel Generator
Power profile: 10500 Running Watts (gas) / 13500 Peak, and 9500 Running Watts / 12500 Peak (propane). Features remote start with key fob, plus transfer-switch readiness and a 9.5-gallon fuel tank. It also includes a CO shutdown and a digital hour meter for monitoring. Best for larger households needing substantial peak power with extended runtimes on gasoline.
Who this is for: Users needing extra headroom for air conditioning, well pumps, and multiple circuits during outages. Why selected: higher peak capability with CO safety shutdown and long runtime potential.
Caution: CO safety feature adds protection, but ensure proper ventilation and installation to maximize safety during operation indoors or in semi-enclosed areas.
Westinghouse 4650 Peak Watt Dual Fuel Generator
Power profile: 3600 Rated Watts (gas) / 3240 Rated Watts (propane). Tank capacity is 4 gallons with a runtime up to 14 hours. Outlets include a 5-20R duplex and RV-friendly TT-30R and L5-30R ports. Safety includes rubber outlet covers. Best for RV users and small load scenarios requiring portability and basic backup power.
Who this is for: RV owners and campers who need reliable power on the go with essential outlets. Why selected: compact size, multiple outlets, and a CO-safe design complement travel and tailgate setups.
Caution: Lower overall watts mean it’s best for lighter loads or emergency essentials rather than whole-home operation.
Westinghouse 14500 Peak Watt Dual Fuel Generator
Power profile: 11,500 Running Watts (gasoline) and 14,500 Peak Watts; propane: 10,500 Running Watts and 13,500 Peak Watts. Runtime up to 19 hours on a 9.5-gallon tank with gauge. Features two 120V outlets, one 30A transfer-ready outlet, and an RV-ready 50A outlet. This unit emphasizes strong peak power for larger homes and high-demand appliances.
Who this is for: Buyers needing substantial peak power for critical loads in large homes or during extended outages. Why selected: best for heavy-duty load management with long runtimes and flexibility between fuels.
Caution: Heavier unit may require more storage space and a dedicated transport plan for mobility concerns.
DuroStar DS13000MX 13,000-Watt Dual Fuel
Power profile: 13,000 Watts (gas) / 500cc engine; dual fuel capability with propane option offers extended run times and fuel flexibility. Includes remote electric start, transfer switch readiness, and RV and emergency readiness. Safety features include a CO alert for automatic shutdown in dangerous conditions.
Who this is for: Homeowners and job-site operators seeking reliable backup with remote start and clear transfer-switch compatibility. Why selected: high wattage with dual-fuel convenience and safety features, from a recognized brand in portable power.
Caution: Ensure proper venting when used indoors or in semi-enclosed spaces; always follow manufacturer fuel and operating guidelines to avoid carbon monoxide risks.
Buying Guide: Choosing The Right Dual Fuel Generator
- Power needs: Assess essential circuits and peak demand. Choose higher peak watts for air conditioning or water pumps. Gasoline generally provides higher running watts; propane offers longer storage and cleaner burns.
- Transfer switch readiness: If you plan to power a house panel, pick models with a transfer switch-ready outlet and compatible wiring requirements from a licensed electrician.
- Run time and fuel capacity: Consider tank size and fuel gauge. Longer outages benefit larger tanks and efficient engines. Propane may be easier to store but gasoline often delivers more running watts.
- Safety features: CO shutdown, electric vs recoil start, and durable rubber outlet covers protect operators and equipment. A CO detector inside the unit is a plus for enhanced protection.
- Portability vs. capacity: Larger models deliver more power and longer runtimes but reduce mobility. Determine whether a rolling unit or a stationary transfer-switch setup fits your property layout.
- Fuel availability: In regions with propane infrastructure, propane-fueled operation can be advantageous; in areas with unreliable propane delivery, a gasoline option might be preferable.
- Outlets and versatility: Verify outlet types align with your devices—look for multiple 120V outlets, RV-ready ports, and 240V capabilities for heavier loads.
Frequently Asked Questions
- What is the advantage of a dual-fuel generator? It provides flexibility to run on either gasoline or propane, helping you adapt to fuel availability and storage needs.
- Do dual-fuel generators require special maintenance? Regular maintenance follows the manufacturer’s schedule, including oil changes and air filter checks; fuel type may influence burn cleanliness and emissions.
- Is a larger tank always better? A larger tank extends runtime but increases weight and space needs. Balance tank size with your expected outage duration and storage space.
- What does “transfer switch ready” mean? It indicates the generator has outlets compatible with a home transfer switch, enabling automatic or manual power transfer during outages when wired by a professional.
- Which model is best for an RV? Models with RV-ready outlets (TT-30R or similar) and portability are ideal. Ensure the unit’s power rating matches your RV appliances and shore power needs.
- Are these generators safe for indoor use? Generators should not be operated indoors; always ensure proper ventilation outdoors and use CO alarms and safety shutoffs as recommended.