Best Generators That Run on Natural Gas for Home Backup and Outdoor Use
If you want a reliable power source that can run on natural gas, this guide highlights top options and what each is best for. These generators offer natural gas compatibility, plus options that support propane or gasoline for flexibility. The buyers best suited for these models include homeowners seeking seamless natural gas integration, campers and RV enthusiasts needing off-grid capability, and those preparing for outages who want a stable fuel source. Below is a quick summary table of the five choices to help you compare at a glance.
| Product | Natural Gas Ready | Best For |
|---|---|---|
| Generac 12,500 Starting Watt Tri-Fuel Portable Generator | Yes | Emergency power with portable versatility |
| Westinghouse 12500 Watt Dual Fuel | Yes | Remote start and transfer switch readiness |
| Champion Power Equipment 12,500-Watt Tri Fuel | Yes | Tri-fuel convenience with CO shutoff |
| DuroMax XP13000EH Dual Fuel Portable | Yes | High power with dual-fuel flexibility |
| PowerSmart 3800 Watt Dual Fuel Inverter | Yes | Quiet residential backup and portability |
Generac 12,500 Starting Watt Tri-Fuel Portable Generator
Best for: homeowners who want a portable, multi-fuel solution with automatic electric start. This model runs on gasoline, liquid propane, or natural gas, delivering 9,500 running watts and 12,500 starting watts for strong surge power. The push-button electric start simplifies setup during outages or cold starts, and its 500cc Generac OHV engine supports up to 9.5 hours of runtime at 50% load on gasoline. If you need a flexible, mobile standby that can switch fuels quickly, this is a leading choice. A consideration: propane and natural gas runtimes depend on your fuel supply and pressure, so plan fuel sources accordingly.
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
Best for: users who value remote electric start and transfer-switch compatibility. This dual-fuel generator provides up to 9,500 running watts on gasoline and 8,500 running watts on propane, with up to 12 hours of runtime on a 6.6-gallon tank. It includes a remote start key fob and a digital hour meter, and it supports RV-ready and transfer-switch ready configurations. The more complex setup may require additional equipment for full whole-home integration, so consider your installation environment when selecting this model.
Generac Guardian 22kW Home Standby Generator
Best for: homeowners needing full-house coverage with automatic transfer and remote monitoring. This standby generator runs on natural gas or liquid propane and includes a 200 Amp transfer switch with a durable outdoor enclosure. The Wi-Fi connectivity allows monitoring from anywhere, and a 5-year limited warranty provides long-term protection. While not portable, it excels in continuous power during outages, making it a strong choice for storm-prone areas where uninterrupted power is essential. A potential drawback is the higher upfront cost and permanent installation requirements.
Generac Guardian 10kW Home Standby Generator
Best for: buyers seeking a balanced standby option with Wi-Fi monitoring and a 100 Amp transfer switch. The 10kW model supports whole-house backup with a straightforward installation and a 5-year limited warranty. It is designed for outdoor use in a durable aluminum enclosure. Consider the space and electrical service in your home—the unit requires professional installation. It provides reliable performance for moderate-sized homes and critical circuits during outages.
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable
Best for: those who need robust power and dual-fuel capability in a portable unit. The XP13000EH offers 13,000 watts on gasoline and capability to run on propane, serving as a strong option for whole-home backup during extended outages. The dual-fuel design provides flexibility in fuel choice, while portability supports outdoor events or remote work sites. A limitation is the size and weight, which may require a substantial vehicle or trailer for transportation and storage.
PowerSmart 3800 Watt Dual Fuel Inverter Generator
Best for: buyers prioritizing quiet operation and clean power for sensitive electronics. This 3800 starting watts, 3300 running watts inverter generator runs on gasoline or propane and features a CO sensor to shut down if dangerous levels are detected. It delivers up to 10 hours on gasoline and up to 25 hours on propane, making it suitable for quiet home backup or RV use. The compact size is ideal for portability, but it may not provide enough power for larger appliances during a grid outage.
Buying Guide: Key Considerations For Natural Gas Generators
Fuel flexibility and ease of use are central to choosing a natural-gas-ready generator. When evaluating models, consider the following questions and factors:
- What is your primary use? Portable backup for weekend outages or permanent standby for whole-home protection?
- How much power do you need? List essential circuits and sum their wattage to match generator capacity.
- Do you require remote start or automatic transfer? Standby units often offer Wi-Fi monitoring and automated switching.
- How easy is it to switch fuels? Tri-fuel units add flexibility but may require more complex setup and maintenance.
- What are the noise levels and footprint? Inverter models are typically quieter and more fuel-efficient for small loads.
- What installation considerations exist? Standby systems require professional installation and a suitable fuel supply line.
- What safety features matter? CO sensors, shutdowns, and weatherproof enclosures help protect your investment.
FAQ
- Can these generators run entirely on natural gas? Yes, all listed models offer natural gas compatibility, with some also supporting propane and gasoline.
- Is remote or automatic start necessary for outages? Remote or automatic start is common in larger standby units, offering hands-free operation during power failures.
- What maintenance is typical for dual-fuel units? Regular oil changes, air filter checks, spark plug inspections, and fuel system maintenance are common across brands.
- How do I know which size to buy for my home? Add up the wattage of essential appliances and circuits to determine the minimum generator size you need for backup power.
- Are standby units required to be installed by a professional? Most jurisdictions require professional installation and permit approval for permanent standby generators.
- What safety features should I look for? CO sensors, automatic shutoffs, transfer switches, and weather-resistant enclosures are key.