Best Natural Gas Generators for Homes: Tri-Fuel Power for Emergencies
When selecting a natural gas generator for home backup power, the best options are tri-fuel models that can run on gasoline, propane, or natural gas. These units provide reliable power, flexible fuel choices, and transfer-switch readiness for seamless outages. The top products below are suited for larger homes, frequent outages, or remote properties where natural gas is available. Each product section notes who benefits most and a practical caveat.
| Product | Peak Watts | Running Watts | Fuel Options |
|---|---|---|---|
| Westinghouse 14500 Peak Watt Tri-Fuel | 14,500 | 11,500 (gas) / 13,500 (propane) / 12,000 (natural gas) | Gas, Propane, Natural Gas |
| Westinghouse 13500 Peak Watt Tri-Fuel | 13,500 | 10,500 (gas) / 12,500 (propane) / 10,000 (natural gas) | Gas, Propane, Natural Gas |
| DuroStar DS13000MXT | 13,000 | Gasoline running watts listed; propane and natural gas supported | Gas, Propane, Natural Gas |
| Generac 12,500 Starting Watt Tri-Fuel | 12,500 | 9,500 (gas) / 8,500 (propane) / 7,500 (natural gas) | Gas, Propane, Natural Gas |
| Westinghouse 12500 Peak Watt Tri-Fuel | 12,500 | 9,500 (gas) / 8,500 (propane) / 7,500 (natural gas) | Gas, Propane, Natural Gas |
Note: All models listed are designed for backup power, with features like remote start, transfer switch readiness, and CO protection. This guide helps buyers compare capabilities, fuel flexibility, and suitability for typical home use during outages.
Westinghouse 14500 Peak Watt Tri-Fuel
This unit delivers high peak power for large homes and workshops. Best for households that require substantial surge capacity to start air conditioning, sump pumps, or power tools during outages. The heavy-duty 550cc Westinghouse engine supports all three fuels, with a long runtime on a full tank. Includes remote start and transfer switch readiness for quick outage response.
Who it’s best for: homeowners with solar constraints or limited gas supply, and those needing robust peak power for short outages. Caution: natural gas performance is lower than gasoline at full load; ensure proper piping and pressure for continuous nat-gas operation.
Westinghouse 13500 Peak Watt Tri-Fuel
This model offers a balanced mix of power and efficiency, with a 500cc engine and dual start options. It’s ideal for mid-size homes or properties where maintenance access is straightforward. It supports multiple outlets and a transfer switch-ready configuration, making it versatile for essential circuits and limited heavy loads.
Who it’s best for: families needing reliable standby power without the largest engine footprint. Caution: ensure your natural-gas supply is steady to avoid performance dips during prolonged outages.
DuroStar DS13000MXT Tri Fuel
Known for full-home power backup, this unit provides strong starting capability with a CO alert system for safety. It supports gasoline, propane, and natural gas, offering fuel flexibility during shortages or price spikes. The power panel includes a wide range of outlets and transfer-switch readiness for easy integration into home systems.
Who it’s best for: households seeking a large backup capacity with comprehensive safety features. Caution: check local natural gas line pressure requirements to ensure consistent operation under heavy loads.
Generac 12,500 Starting Watt Tri-Fuel
Generac’s model emphasizes stable voltage with automatic voltage regulation and strong surge capacity for high-demand loads. The 12,500 starting watts handle simultaneous starts, such as cooling systems and pumps, while running watts support essential circuits. Remote start with a key fob adds convenience for frequent outages.
Who it’s best for: homeowners needing robust surge performance for multiple appliances with the flexibility of three fuels. Caution: natural-gas performance can vary with gas line conditions; verify compatibility with home gas infrastructure before purchase.
Westinghouse 12500 Peak Watt Tri-Fuel
This generator balances compact design with tri-fuel flexibility. It delivers solid running watts on gasoline and ample peak watts for short surges, with a digital hour meter for maintenance planning. It’s well-suited for mid-sized homes, rental properties, or small estates with reliable natural gas supply.
Who it’s best for: buyers seeking dependable tri-fuel performance without the largest engine footprint. Caution: ensure the natural gas line can sustain steady flow during peak loads to avoid voltage drops.
Buying Guide: Choosing The Right Natural Gas Tri-Fuel Generator
- Fuel flexibility: Is tri-fuel a must-have, or would a dual-fuel setup suffice? Tri-fuel offers more options during shortages but can be pricier.
- Power needs: Determine peak watts for essential circuits (HVAC, sump pumps, refrigerators). Choose a model with sufficient surge capacity for startup loads.
- Transfer switch readiness: If a home has or plans a manual or automatic transfer switch, confirm compatibility with the generator’s outlets and configuration.
- Fuel availability and pressure: Natural gas reliability and line pressure affect continuous operation. Verify local gas infrastructure and any required conversion kits.
- Safety features: CO shutdown, low-oil shutdown, and THD levels impact protection of electronics and appliances.
- Maintenance access: Consider engine displacement, oil capacity, and service intervals. A larger engine can deliver longer runtimes but may require more space.
- Portability vs. stationary use: Even tri-fuel models can vary in mobility. Decide if you need a portable unit or a more stationary installation with a transfer switch.
Frequently Asked Questions
- What is a tri-fuel generator? It runs on gasoline, propane, or natural gas, offering fuel flexibility during outages.
- Do tri-fuel units require special installation? Many models are transfer switch ready but may need a professional for safe electrical integration.
- Is natural gas power sufficient for homes? It can support essential loads but may require larger units for full-home operation during outages.
- What about CO safety? CO sensors and shutdowns are common features to protect occupants during operation.
- How do I choose the right wattage? Add up critical loads (refrigerator, sump pump, lights, HVAC) to estimate starting and running watts required.
- Do these units comply with local codes? Check local regulations and installation requirements before purchasing and installing a generator.