Shopping for whole home generator solutions requires weighing power output, fuel options, and ease of use. This guide highlights five highly capable models that balance performance with practical features for American households. Each option offers tri-fuel or dual-fuel versatility, remote start, and transfer-switch readiness to support appliances, climate systems, and essential circuits during outages.
| Product | Brand | Power Type | Key Feature |
|---|---|---|---|
| Westinghouse 14500 Peak Watt Tri-Fuel | Westinghouse Store | Gas, Propane, Natural Gas | Remote start; transfer switch ready; long runtime |
| Generac Guardian 10kW | Generac Store | Natural Gas or Propane | Wi-Fi monitoring; 100 Amp transfer switch |
| Westinghouse 12500 Watt Dual Fuel | Westinghouse Store | Gas, Propane | Remote start; multiple outlets; transfer switch ready |
| Generac Guardian 22kW | Generac Store | Natural Gas or Propane | Wi-Fi monitoring; 200 Amp transfer switch |
| Westinghouse 18000 Peak Watt Tri-Fuel | Westinghouse Store | Gas, Propane, Natural Gas | CO sensor; low THD; transfer switch ready |
Note: All models presented offer robust backup capabilities, with emphasis on hardening your home against outages, simplifying remote monitoring, and enabling seamless power restoration through transfer switches. Specifications reflect typical configurations for residential use in the United States.
Westinghouse 14500 Peak Watt Tri-Fuel Generator

The Westinghouse 14500 Peak Watt Tri-Fuel generator provides flexible fuel options, allowing operation on gasoline, propane, or natural gas. It features a heavy-duty 550cc four-stroke OHV engine with a durable cast iron sleeve for longevity. With up to 19 hours of runtime on a large fuel tank and a helpful fuel gauge, it’s designed for extended outages. The unit is remote-electric-start capable and transfer switch ready, aiding quick restoration of essential circuits during power failures.
Power output varies by fuel type: 14,500 peak watts / 11,500 running watts on gasoline; 13,500 peak / 10,500 running on propane; 12,000 peak / 9,500 running on natural gas. This makes it well-suited for larger homes seeking substantial backup power while maintaining versatility across energy sources.
Generac Guardian 10kW With 100 Amp Transfer Switch

This 10kW Generac Guardian offers automatic whole-house backup with a 100 Amp transfer switch and a 16-circuit capacity. It is designed for natural gas or propane operation and includes remote monitoring via Wi-Fi, allowing status checks and maintenance alerts from anywhere. The enclosure is durable aluminum, making it suitable for outdoor installation, and it is backed by a 5-year limited warranty for enduring performance.
Remote monitoring helps homeowners stay informed during outages, while the 100 Amp transfer switch ensures a smooth transition from utility power to generator power. The system’s lightweight footprint and reliable protection enable continuous operation of essential circuits and household systems.
Westinghouse 12500 Watt Dual Fuel Generator

The Westinghouse 12500 Watt Dual Fuel model combines reliable gasoline and propane operation with remote electric start and transfer switch readiness. It provides 12500 peak watts and 9500 running watts on gasoline, plus 11200 peak / 8500 running watts on propane. The generator includes a key fob remote start and both recoil and electric starting capabilities. A 6.6-gallon tank supports up to 12 hours of run time, and multiple outlets ensure flexible connection to home circuits. The VFT (Volts, Frequency, Time) display provides real-time output data for monitoring performance.
Outlets include a standard 120V receptacle, a 120/240V L14-30R 30A twist-lock, and a 120/240V 14–50R 50A RV-ready outlet, all protected by rubber covers for safety. A rugged 457cc Westinghouse engine with automatic low oil shutdown ensures protection during operation and supports longer service life.
Generac Guardian 22kW With 200 Amp Transfer Switch

The Generac Guardian 22kW is built for comprehensive home protection, offering 200 Amp NEMA 3R smart switching and an aluminum outdoor enclosure. It supports both natural gas and propane and is Wi-Fi enabled for remote monitoring through Generac’s Mobile Link platform. The system includes a 5-year limited warranty, reinforcing predictability and long-term service expectations for homeowners seeking maximum reliability in power outages.
With its sizable 22kW output, this unit can sustain large homes and systems. The combination of a robust 200 Amp transfer switch and weather-rated enclosure expands installation options, especially in areas prone to storms and extended outages. Remote alerts help homeowners plan maintenance and avoid unexpected downtime.
Westinghouse 18000 Peak Watt Tri-Fuel Generator

The Westinghouse 18000 Peak Watt Tri-Fuel unit is designed for heavy-duty, portable backup power with a CO sensor for added safety. Its tri-fuel capability includes gasoline, propane, and natural gas, delivering 18,000 peak watts and 14,500 running watts on gas, 16,000 peak / 13,000 running on propane, and 14,400 peak / 11,600 running on natural gas. A 10.5-gallon gas tank supports long runtimes, and the heavy-duty 713cc V-Twin OHV engine ensures reliable operation. Features include automatic low oil shutdown, low idle mode, and a VFT data center for real-time status. The low THD under 5% makes it safer for sensitive electronics.
This generator is well-suited for larger homes, job sites, or emergency backup where extended duration and fuel flexibility are critical. Copper windings contribute to cleaner power and longer life, while the CO sensor adds a crucial safety layer during operation near living spaces.
Buying Guide: Key Purchase Considerations
- Fuel flexibility: Tri-fuel models offer versatility during fuel shortages or cost concerns. Consider which fuel sources are readily available in your area.
- Power needs: Assess your essential circuits and large appliances to determine required wattage. Aim to cover refrigerators, HVAC, sump pumps, and lights during outages.
- Transfer switch compatibility: Ensure the unit you choose is transfer-switch ready and compatible with a panel you have or plan to install.
- Monitoring and control: Wi-Fi or mobile monitoring helps you manage outages remotely. Look for models with intuitive dashboards and maintenance alerts.
- Runtime and tank size: Larger fuel tanks extend operation between refuels. Balance runtime with generator size for your space and budget.
- Noise and footprint: Consider the location of installation and noise levels, especially in residential neighborhoods. Outdoor-rated enclosures improve weather resilience.
- Safety features: CO sensors, automatic shutdown for low oil, and robust shutdown procedures help protect your household and equipment.
- Warranty and support: A strong warranty and accessible customer support can reduce long-term ownership risk.
When selecting a generator, compare not only the peak watts but also running watts to understand real-world performance. For homes with multiple heating or cooling zones, factor in climate control loads, sump pumps, and medical equipment. Prioritize models with transfer-switch readiness and remote monitoring to streamline outages and maintenance planning.