Best LP Gas Powered Generators for Home Backup and Outdoor Use
Looking for LP (liquefied petroleum) gas powered generators that deliver steady backup power and reliable portability? This guide highlights five strong options, each suited to different needs—from whole-home emergency power to quiet RV use. The top picks cover dual-fuel versatility, remote start, CO sensors, and transfer-switch readiness. Read on to find which model fits your scenario, whether you’re preparing for storms, camping trips, or RV adventures.
Summary table of selected products:
- Westinghouse 6600 Watt Dual Fuel: Best overall for home backup with transfer switch readiness.
- Oxseryn 4400 Watts Inverter: Best for quiet camping and light home backup.
- DuroMax XP13000EH: Best for whole-home power with dual-fuel flexibility.
- PowerSmart 3800 Watt Dual Fuel: Best value with RV-ready outlets and CO sensor.
- Westinghouse 13500 Peak Watt Dual Fuel: Best for very large load needs with long runtime.
Westinghouse 6600 Watt Dual Fuel Generator
This unit runs on gasoline or propane, offering up to 6600 peak watts and 5300 running watts on gas, or 5900 peak and 4800 running watts on propane. It features a push-button electric start with a remote key fob, a 4.7-gallon fuel tank with a fuel gauge, and up to 14.5 hours of runtime with a 120/240V selector. It includes a transfer switch ready outlet and an RV-ready outlet, plus rubber-covered outlets for safety. Best for: homes needing a robust backup with transfer switch compatibility and flexible fuel options. Keep in mind: routine maintenance and checks are essential to ensure smooth operation during outages.
Why this pick: It balances power, fuel versatility, and safety features in a single package, making it a strong all-around backup solution. The included kit and minimal assembly help buyers get started quickly.
Key specs at a glance:
- Gas: 6600 peak / 5300 running watts
- Propane: 5900 peak / 4800 running watts
- Fuel tank: 4.7 gallons
- Run time: up to 14.5 hours
- Outlets: 120V, 20A; RV 30A; Transfer Switch Ready
Oxseryn Power Equipment 4400 Watts Inverter Generator
This inverter generator provides 4400 peak watts and 3400 running watts with multi-output versatility. It includes two 120V outlets, a 12V DC port, and an RV port, plus ECO mode for longer runtimes—up to 14 hours at 25% load with a two-gallon tank. It’s a compact option ideal for RVs and small home backup where quiet operation matters. Best for: campers and light home backup where fuel efficiency and low noise are priorities. Caution: check fuel capacity if you anticipate long outages beyond the stated runtime.
Why this pick: Its inverter design delivers clean power suitable for sensitive electronics, and ECO mode helps conserve fuel during extended use.
Key specs at a glance:
- Peak watts: 4400; Running watts: 3400
- Tank: 2 gallons
- Run time: up to 14 hours at 25% load
- Outlets: 2×120V, 1×12V DC, 1×RV
- Noise: designed for lower sound output
DuroMax XP13000EH 13,000-Watt Dual Fuel
The XP13000EH delivers 13,000 watts on gasoline and flexible dual-fuel operation. It’s designed for whole-home backup with transfer switch readiness and a robust engine. DuroMax is recognized for dual-fuel technology, offering the option to run on propane or gasoline. Best for: homeowners needing high power for entire circuits during outages. Limitation: larger footprint and weight may reduce portability for frequent moves.
Why this pick: This model emphasizes maximum power and dual-fuel flexibility, ideal for long outages or storm scenarios where several loads must run simultaneously.
Key specs at a glance:
- Gas: 13,000 watts; Propane also supported
- Transfer switch ready outlet
- Remote electric start available
- Large size and weight; suitable for fixed installations
PowerSmart 3800 Watt Dual Fuel Inverter
This unit offers 3800 starting watts and 3300 running watts on gasoline, with up to 10 hours runtime, and up to 3500 starting watts and 3100 running watts on propane with longer runtimes up to 25 hours. It includes CO sensor, RV-ready outlet, and a quiet operation profile with 65 dBA at 23 feet. Best for: budget-conscious buyers who want dual-fuel flexibility and RV compatibility without compromising safety. Limitation: lower peak power compared to larger units, so avoid heavy, simultaneous loads.
Why this pick: It combines dual-fuel versatility with a CO sensor and RV-ready outlets in a compact, affordable package. It suits small households or campground setups where noise and fuel choice matter.
Key specs at a glance:
- Gas: 3800 starting / 3300 running watts
- Propane: 3500 starting / 3100 running watts
- Run time: up to 10 hours (gas) / up to 25 hours (propane)
- Noise: about 65 dBA at 23 ft
Evernexta 4000 Watts Inverter Generator
The Evernexta model provides 4000 watts of inverter power with a 208cc engine. It’s EPA compliant and designed for home backup and RV use, offering 1×30A RV outlet, 2×120V AC outlets, and a 12V DC port. Runtime is up to 9 hours at 25% load with a two-gallon tank, and noise remains under 72 dBA from 23 feet. Best for: users who need a compact, mid-range inverter generator with RV versatility. Consider: ensure fuel capacity supports longer outages if needed.
Why this pick: It emphasizes clean power for electronics and a stable mix of outlets suitable for camping, appliances, and essential devices.
Key specs at a glance:
- Power: 4000 watts (inverter)
- Tank: 2 gallons
- Outlets: 1×30A RV, 2×120V, 1×12V DC
- Runtime: up to 9 hours at 25% load
Westinghouse 13500 Peak Watt Dual Fuel
This heavy-duty unit delivers 13,500 peak watts and 10,500 running watts on gasoline, with 12,500 peak and 9,500 running watts on propane. It features remote start with a key fob, transfer switch readiness, and a long runtime on a 9.5-gallon tank with a fuel gauge. It provides multiple outlets, including a 50A RV/transfer-ready configuration. Best for: users needing substantial backup power for large homes or multi-appliance loads. Caution: larger size and higher initial investment mean it’s best for permanent installation or sizable outdoor setups.
Why this pick: It combines high peak power with extended runtime and versatile outlets, making it suitable for comprehensive emergency power scenarios.
Key specs at a glance:
- Gasoline: 13,500 peak / 10,500 running watts
- Propane: 12,500 peak / 9,500 running watts
- Fuel tank: 9.5 gallons
- Outlets include 50A transfer-ready and 120V outlets
Buying Guide: Key Purchase Considerations
How to choose the right LP gas powered generator
- Power needs: Estimate total watts of essential appliances and select a model with headroom for startup surges.
- Fuel flexibility: Dual-fuel options offer fuel versatility during shortages; weigh propane versus gasoline availability in your area.
- Transfer switch readiness: For whole-home backup, choose models that support a transfer switch installation for automatic power delivery.
- Outlets and RV compatibility: Ensure outlets match your equipment, including RV-ready TT-30R and 50A options for large setups.
- Noise and emissions: Inverter models typically run quieter and produce cleaner power, safer for sensitive electronics; CO sensors add safety for enclosed spaces.
- Run time and tank size: Consider expected outages and fuel tank capacity to estimate how long the generator can run between refuels.
- Portability vs. permanent installation: Heavier units with larger fuel tanks are great for fixed installations; lighter units offer easier transport for on-the-go use.
Frequently Asked Questions
- What does “dual fuel” mean in generators?
Dual fuel means the generator can run on two fuel sources, typically gasoline and propane, offering flexibility during shortages or cost considerations.
- Is an inverter generator better for home use?
Inverter generators provide cleaner power with lower THD, which is gentler on electronics and quieter, making them popular for RVs and sensitive devices.
- Do I need a transfer switch with a generator?
A transfer switch simplifies automatic power transfer to essential circuits during outages and can improve safety and convenience.
- What fuel capacity is best for long outages?
A larger fuel tank extends runtime between refuels but increases weight and footprint; balance tank size with your power needs and available space.
- How important is CO sensor for a generator?
CO sensors are a safety feature that helps detect dangerous carbon monoxide levels, especially for indoors or semi-enclosed usage.
- Can these generators power an entire home?
Large, high-watt models with transfer-switch readiness can back up major circuits, but a load assessment is essential to determine capability for full-home power.