Best Natural Gas Backup Generators for Home Power Security
When designing a reliable backup power setup, select a tri-fuel or natural-gas capable generator that can power essential circuits during outages. This guide highlights five top options that work well with natural gas, propane, or gasoline, and focuses on models suited for medium to larger homes or off-grid jobs. Each pick balances run time, power output, and ease of use. Ideal buyers include homeowners needing whole-house backup, remote properties seeking flexible fuel choices, and those who want quick remote start features for emergencies.
| Product | Fuel Options | Peak / Running Watts | Why It Stands Out |
|---|---|---|---|
| Westinghouse 14500 Peak Watt Tri-Fuel | Gas, Propane, Natural Gas | 14,500 / 11,500 (Gas); 13,500 / 10,500 (Propane); 12,000 / 9,500 (Natural Gas) | Best overall power and long run time for larger homes |
| DuroMax XP13000HXT Tri Fuel | Gas, Propane, Natural Gas | 13,000 | CO alert and strong multi-fuel versatility |
| Generac 12,500 Tri-Fuel | Gas, Propane, Natural Gas | 12,500 / 9,500 (Propane); 9,500 (Natural Gas) | Well-known reliability and efficient runtime |
| DuroStar DS13000MXT | Gas, Propane, Natural Gas | 13,000 | Full-featured power panel and CO alert |
| Westinghouse 13500 Peak Watt Tri-Fuel | Gas, Propane, Natural Gas | 13,500 / 10,500 (Gas); 12,500 / 9,500 (Propane); 10,000 / 8,500 (Natural Gas) | Remote start and solid protection features |
Westinghouse 14500 Peak Watt Tri-Fuel Backup Generator
The Westinghouse 14500 Peak Watt Tri-Fuel model provides the strongest peak output among the listed natural gas capable options. It operates on gasoline, propane, or natural gas, with a heavy-duty 550cc engine. This unit is best for larger homes that require substantial startup power and longer fatigue-free running times, especially during extended outages. A key advantage is its long run time on a full tank and the flexibility to switch fuels as fuel availability changes.
Best for: homeowners with higher power needs and access to multiple fuels. This generator is better for those who value maximum peak wattage and extended run time, especially when the natural gas line is the most convenient option.
Caution: Heavier and larger footprint means more storage space and a potentially longer setup time compared with smaller portable units.
DuroMax XP13000HXT Tri Fuel Portable Generator
The DuroMax XP13000HXT delivers 13,000 watts with tri-fuel capability and a CO alarm, providing a safety layer during operation. Its 500cc OHV engine is designed for robust performance, and the flexibility to run on natural gas when the fuel supply is unstable makes it a practical choice for comprehensive home backup. This unit is well-suited for households that require reliable power with a focus on safety features and versatility.
Best for: families seeking strong multi-fuel performance plus built-in CO detection for peace of mind. Choose this if you value safety features alongside fuel flexibility.
Limitation: The model can be on the heavier side for a portable unit, requiring a solid setup location and proper transfer switch readiness.
Generac 12,500 Starting Watt Tri-Fuel
Generac’s 12,500 starting watt tri-fuel generator delivers versatility with a dial that switches between gas, propane, and natural gas. The push-button electric start simplifies operation during storms or cold weather, and the engine’s 500cc displacement supports moderate to high loads. It’s a practical choice for those who want quick-start convenience and steady multi-fuel operation without sacrificing overall performance.
Best for: homeowners who want fast electric start and straightforward fuel switching. Choose this for reliable, everyday emergency readiness with a strong petroleum-to-natural gas transition capability.
Limitation: Runtime on natural gas may be shorter than gasoline or propane under heavy load; plan fuel source access accordingly.
DuroStar DS13000MXT Tri Fuel Generator
The DS13000MXT from DuroStar combines tri-fuel capability with a comprehensive power panel. It includes a push-button start, a fuel selection knob, and a suite of outlets including a transfer switch-ready 50-amp outlet. This setup is designed for complete home backup, allowing you to power essential circuits during outages while offering straightforward fuel choice between gasoline, propane, and natural gas.
Best for: households needing full control over power distribution and a ready-to-use transfer switch interface. Choose this if you want a robust, all-in-one panel experience with tri-fuel flexibility.
Limitation: Like other portable tri-fuel models, it requires proper installation and secure placement to prevent operator hazards.
Westinghouse 13500 Peak Watt Tri-Fuel
This Westinghouse 13500 Peak Watt model balances power and accessibility with a remote start feature and an automatic low oil and CO shutdown system. It supports gasoline, propane, and natural gas with a digital hour meter for maintenance awareness. The dual-outlet arrangement and included safety features make it a compelling option for mid-sized homes seeking reliable backup with remote capabilities.
Best for: buyers who want a remote-start option and automatic safety shutoffs. Choose this if you value safety features along with flexible fuel options for reliable everyday outages.
Limitation: The unit’s full capacity use may require a larger power panel or transfer switch during heavy load conditions.
Westinghouse 12500 Peak Watt Tri-Fuel
With 12,500 peak watts and tri-fuel capability, this Westinghouse model offers solid performance for medium-sized homes. It features a remote start and a robust safety profile with a cast-iron sleeve engine and an efficient hour-meter monitoring system. Running on natural gas becomes a practical option for stable utility-connected properties, while gasoline and propane options remain available for mobility or supply considerations.
Best for: buyers needing balanced power with reliable remote start. Choose this if you want a dependable tri-fuel option that fits standard transfer-switch setups.
Limitation: Runtime and fuel consumption can vary significantly with load and fuel type; plan your critical circuits accordingly.
Buying Guide
Fuel flexibility and power needs are the core considerations. Choose a unit with enough peak watts to cover essential circuits plus startup surges. Tri-fuel models offer fuel source resilience—natural gas when pipelines are steady, propane when tanks are available, and gasoline for portability.
- Fuel availability: If your natural gas line is consistently available, prioritize higher peak watts and longer runtime to cover main appliances.
- Transfer switch compatibility: Ensure the unit works with a transfer switch that matches your home’s circuits and local codes.
- Starting method: Electric start is convenient, but have a backup start method (recoil) for emergencies.
- Safety features: Look for CO alerts, low-oil shutdown, and rubber outlet covers for moisture protection.
- Noise and footprint: Heftier units require a stable, ventilated installation area and sound considerations for neighborhoods.
FAQ
- Are tri-fuel generators safe to use with natural gas? Yes, but ensure proper connection to a gas line and follow local codes for outdoor venting and clearances.
- What is the advantage of electric start? It enables quick power on during emergencies without pulling a cord, saving time in outages.
- How many watts are needed to run a typical home’s essentials? A minimum of 5,000–7,500 running watts covers lights, fridge, and some climate control, but larger homes may require 10,000+ running watts.
- Can natural gas be used as a primary fuel? It can be used for backup power where available, but check local utility and equipment compatibility and pressure requirements.
- What should I consider for installation? A transfer switch, proper ventilation, setbacks from structure, and professional installation guidance are essential.
- Do these generators include CO detection? Some models feature CO alerts; verify model specifications for safety features before purchase.