Best Gas and Propane Generators for Home Backup and Outdoors
If you need reliable power during outages, at the campsite, or on the job site, a dual-fuel or propane-ready generator can keep essential devices running. This guide highlights five top options and explains who they’re best for, with clear comparisons to help you choose. The selections emphasize different use cases—from compact, quiet units for RV trips to high-output models for whole-home backup. Each product includes a quick reference to its best audience and any important limitations to consider.
Summary table of selected products
| Product | Best For | Fuel Options | Run Time (approx.) | |
|---|---|---|---|---|
| Westinghouse 4650 Peak Watt Dual Fuel | Moderate home backup, RV users | Gasoline or Propane | Up to 14 hours | RV outlets and 120V duplex |
| PowerSmart 3800 Watt Dual Fuel | Quiet, portable backup | Gasoline or Propane | Varies by fuel | Low-noise inverter |
| Westinghouse 12500 Watt Dual Fuel | Larger homes, transfer-switch ready | Gasoline or Propane | Up to 12 hours | Multiple outlets, remote start |
| WEN 4,750-Watt Dual Fuel | Budget-friendly emergency power | Gasoline or Propane | Varies by fuel | Wheel kit included, 120/240V options |
| DuroStar DS13000MX 13,000-Watt | Whole-home backup | Gasoline or Propane | Varies by fuel | High-output, dual fuel |
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator
Best for RV owners and small-to-midsize households that need flexible fuel options. This unit provides 4650 peak watts and 3600 running watts on gasoline, with 4650 peak and 3240 running watts on propane. A four-gallon tank with a fuel gauge supports up to 14 hours of operation per tank. It includes a 5-20R 120V outlet, a TT-30R 30A RV outlet, and an L5-30R 30A receptacle, all with safety rubber covers. It ships with essential starter items like oil and a tool kit to minimize setup time.
Who it’s best for: RV enthusiasts and corded-device users who want reliable dual-fuel capability and dedicated RV power output. Why selected: strong dual-fuel performance with multiple outlets and safety features in a portable package. Caution: Propane-rated power is slightly lower than gasoline run watts, so plan loads accordingly.
PowerSmart 3800 Watt Dual Fuel Inverter Generator
Best for quiet, residential use and sensitive electronics. This inverter generator supports gasoline (3800 surge / 3300 rated watts) and propane (3500 surge / 3100 rated watts). It emphasizes quiet operation with a measured noise level suitable for campgrounds and neighborhoods. The inverter system delivers clean, stable power with less than 3% THD, making it safe for phones, tablets, laptops, and CPAP machines. It’s ideal for home backup and travel where noise and power quality matter.
Who it’s best for: homeowners and campers needing reliable, clean power with minimal noise. Why selected: inverter-based design and dual-fuel flexibility. Caution: Lower peak output than larger portable units, so plan for smaller essential loads first.
Westinghouse 12500 Watt Dual Fuel Home Backup Generator
Best for larger homes and transfer-switch readiness. This model delivers 9500 running watts and 12500 peak watts on gasoline, and 8500 running watts with 11200 peak watts on propane. A 6.6-gallon tank supports up to 12 hours of runtime, and it includes multiple outlets: 5–20R duplex, 14–50R for RV/240V, and transfer-switch compatibility. Features like a remote start and digital hour meter help monitor operation. It’s a strong choice for whole-house backup needs.
Who it’s best for: households needing substantial power with transfer-switch compatibility. Why selected: robust output and versatile outlet configuration. Caution: Heavier and less portable than smaller units; setup is more involved.
WEN 4,750-Watt Dual Fuel Portable Generator
Best for budget-conscious users seeking electricity with versatility. The WEN DF475T switches between gasoline (4750 surge / 3800 running watts) and propane (4350 surge / 3500 running). It provides 120V and 240V options, which is helpful for transfer switches and emergency backups in homes or shops. Electric start adds convenience, especially during outages. It’s a practical choice when a balance of price, power, and flexibility matters.
Who it’s best for: homeowners and small businesses needing affordable dual-fuel power with both 120V and 240V output. Why selected: solid power for the cost with wheel kit and electric start. Caution: Heavier than typical portable calculators can handle; consider storage space and mobility needs.
DuroStar DS13000MX 13,000-Watt Dual Fuel
Best for large homes and serious power needs. The DS13000MX offers 13,000 watts of power and dual-fuel capability, with remote electric start and transfer-switch readiness. Its heavy-duty design is aimed at whole-home backup and demanding environments. CO safety features add protection in enclosed spaces or during extended outages. This model suits property owners prioritizing high-output reliability and flexible fuel selection.
Who it’s best for: households requiring heavy-duty, dual-fuel backup with remote start. Why selected: high wattage and transfer-switch readiness. Caution: Quite heavy and less portable; requires secure mounting or storage in a stable location.
Buying Guide: Key Considerations For Gas And Propane Generators
- Fuel flexibility: Dual-fuel units offer gasoline and propane options. Gasoline generally provides higher peak watts; propane can extend run time and shelf-life, but expect different power output.
- Output needs: Estimate your essential loads (refrigerator, sump pump, lights, heating/cooling) and choose a model with ample running watts and surge watt capacity.
- Run time and fuel tank: Larger tanks and efficient engines yield longer runtimes. Consider whether you’ll refuel often or rely on extended outages.
- Portability vs. power: Inverter generators excel for quiet operation and sensitive electronics; high-wattage units suit whole-home backups but are heavier and less portable.
- Safety and features: Look for CO sensors, automatic shutdowns, rubber outlet covers, wheel kits, and remote start for convenience and safety.
- Outlets and compatibility: Verify outlets meet your needs (120V, 240V, RV-ready TT-30, L14-30). Ensure transfer-switch compatibility if you plan to power a home panel.
- Maintenance and care: Regular oil changes, air filters, and fuel stabilization are important for longevity, especially in variable climates.
FAQ
- What is the advantage of dual-fuel generators?
They allow you to switch between gasoline and propane, giving you flexibility when fuel availability or price changes.
- How do I choose the right wattage for my needs?
Add up essential devices’ starting watts and running watts. Pick a generator with a horsepower and wattage margin above that total to prevent overloads.
- Are inverter generators better for electronics?
Yes. Inverter technology produces cleaner power with stable voltage and low THD, making them ideal for sensitive devices.
- Is transfer-switch compatibility important?
Yes if you want to power a home circuit panel safely during outages without back-feeding. Check compatibility with your transfer switch and professional installation guidelines.
- What safety features should I look for?
Carbon monoxide sensors, automatic shutdown on low oil or high CO, rubber outlet covers, and sturdy wheel kits for mobility.