Best LP Gas Powered Generators for Home Backup and Emergency Power
For homeowners seeking reliable standby power, liquid propane (LP) or dual-fuel generators offer versatile options that balance power, run time, and safety. This guide highlights top LP and dual-fuel models designed for home backup, with key features like remote start, transfer switch readiness, and CO sensors. Each unit below pulls from trusted brands and solid performance specs to help you choose the right portable or standby-style generator for storms, outages, and essential loads.
| Product | Brand | Key Features |
|---|---|---|
| DuroStar DS13000MX | DuroStar | 13,000W dual fuel, remote/electric start, CO safety shutoff |
| Westinghouse 13500 Peak Watt Tri-Fuel | Westinghouse | Gas/Propane/Natural Gas, remote start, transfer switch ready |
| PowerSmart 4400-Watt Dual Fuel Inverter | PowerSmart | Inverter, CO-sensor, lightweight, EPA compliant |
| Westinghouse 14500 Peak Watt Dual Fuel | Westinghouse | Dual fuel, transfer switch ready, long runtime |
| Westinghouse 12500 Watt Dual Fuel | Westinghouse | Remote start, transfer switch ready, multiple outlets |
Note: All models listed support LP and/or dual-fuel configurations. When selecting a generator, consider run-time, power output, transfer switch compatibility, noise levels, and safety features such as CO shutdown. The following product sections provide detailed overviews to help compare performance and fit for different home backup scenarios.
DuroStar DS13000MX 13,000-Watt Dual Fuel Generator
The DuroStar DS13000MX delivers high-power output with dual-fuel capability, enabling gasoline or propane use for broader fuel flexibility during emergencies. Its 13,000-watt capacity supports whole-home backup for critical circuits and appliances. The unit includes a remote electric start for convenient startup from afar, and its heavy-duty construction is designed for job sites and RV applications. A built-in CO alert automatically shuts the generator down if dangerous carbon monoxide levels are detected, enhancing safety during operation.
Key considerations: The DS13000MX provides strong peak and running wattage with dual-fuel versatility. For users prioritizing maximum surge capability and remote operation, this model is well-suited for severe weather outages, especially when natural gas supply is unavailable. The CO protection system helps mitigate fumes in enclosed spaces, though proper ventilation and outdoor placement remain essential. When selecting a backup system, ensure your transfer switch is compatible with this model’s receptacle configuration and that you have adequate fuel storage for propane if chosen.
Westinghouse 13500 Peak Watt Tri-Fuel
The Westinghouse 13500 Peak Watt Tri-Fuel generator combines gas, propane, and natural gas capabilities with a remote electric start and transfer switch readiness. Its performance allows up to 19 hours of run time on a full tank (gas) and includes multiple outlets with safety covers. The 500cc Westinghouse engine provides reliable power with a long-life cast-iron sleeve and an automatic low-oil and CO shutdown for safety. The digital hour meter helps track maintenance needs, while the dual-fuel feature offers flexibility during fuel disruptions.
Key considerations: This model is ideal for larger homes or property owners needing substantial backup power without frequent refueling. The natural gas option can simplify supply if your home already has a dedicated line. Check compatibility with your transfer switch and the total load you expect to sustain during an outage. Given the tri-fuel design, consider fuel availability and storage requirements for each option to maintain continuous power over extended outages.
PowerSmart 4400-Watt Dual Fuel Inverter
This compact inverter generator blends dual-fuel capability with a lightweight design, making it suitable for smaller homes, camping, or emergency backups. Starting at 4400 watts (peak) and 3600 watts running, it can power essential circuits with fuel efficiency. The 1.6-gallon tank yields up to 11 hours of runtime at a quarter-load, reducing refueling frequency. The unit emphasizes quiet operation, with a sound level around 76 dB at 23 feet, which is beneficial for residential use and nighttime emergencies.
Key considerations: The PowerSmart model is a practical pick when portability and lower noise are priorities, such as apartment-adjacent homes or RV use. Consider whether its continuous wattage meets your essential load requirements, and verify fuel storage needs for propane or gasoline. Its EPA compliance supports regional environmental standards, but long-term outages may require larger tanks or multiple units to cover higher or diverse loads.
Westinghouse 14500 Peak Watt Dual Fuel
The Westinghouse 14500 Peak Watt Tri-Fuel (often referred to as dual fuel in practice) provides robust capabilities for home backup. It offers up to 19 hours of run time on a 9.5-gallon fuel tank with a built-in gauge, combining substantial peak power with extended endurance. The unit supports gas and propane and features heavy-duty construction with safety-focused outlets and transfer switch readiness. Its long-run capability makes it suitable for larger homes or events requiring sustained power during outages.
Key considerations: For larger homes, this model can balance peak power and everyday running watts. Verify the transfer switch compatibility and ensure you have an appropriate fuel plan for propane and/or natural gas if your setup supports tri-fuel operation. The 550cc engine provides durable performance, but ensure proper ventilation and outdoor placement, particularly in residential neighborhoods where noise and emissions matter.
Westinghouse 12500 Watt Dual Fuel
The Westinghouse 12500 Watt Dual Fuel generator offers a balanced mix of surge power and dependable running watts. With 9500 running watts on gasoline and 11200 peak watts, plus comparable propane performance, it supports a range of home loads via multiple outlets, including a transfer switch-ready configuration. Features include a remote start with a key fob, electric or recoil starting options, and a digital hour meter for maintenance tracking. The included outlets cover typical household needs and RV-use receptacles for mobile power needs.
Key considerations: This model is well-suited for mid-sized homes needing reliable backup with transfer switch compatibility. Check the runtime on your chosen fuel and assess whether the available wattage aligns with essential appliances during an outage. The dual-fuel design provides flexibility, but plan fuel storage and delivery to ensure a stable supply when storms disrupt normal fuel services. Safety features and a durable engine sleeve contribute to longevity in challenging conditions.
Buying Guide: Key Purchase Considerations
- Power needs: List essential circuits you want to support (refrigerator, furnace, sump pump, lights, outlets) and match them to running and surge wattage ratings. For larger homes, consider models in the 10,000–15,000W range with transfer-switch compatibility.
- Fuel flexibility: Dual fuel and tri-fuel options provide flexibility during fuel shortages. Propane offers longer shelf life than gasoline, while gasoline provides higher surge performance.
- Starting method: Remote electric start adds convenience, particularly for outdoor installations or a backup power routine. Recoil starts are common on smaller models and may be lighter on cost.
- Safety features: CO sensors and automatic shutdown protect occupants in enclosed spaces. Outlets with protective covers and a CO shutdown system are desirable for safety in garages or patios.
- Run time and fuel tank size: Longer runtimes reduce refueling, especially for essential loads. Compare fuel tank capacity and expected run time at a typical load to estimate maintenance needs.
- Transfer switch readiness: If you plan to connect to a home electrical system, ensure the generator is transfer switch ready and compatible with your existing system or installation by a licensed professional.
- Engine durability: Look for engines with cast-iron sleeves and robust OHV designs for longevity. Automatic low-oil shutdown helps prevent engine damage during low-oil conditions.
- Weight and portability: For portable models, weight and wheel kits influence mobility during transport and storage. Heavier units may require permanent placement or a dedicated generator setup.
- Noise considerations: If noise levels are a concern, prioritize inverter or quieter models with lower decibel ratings at a reasonable distance from living areas.