Best Backup Generators for Homes
Answer: For reliable home backup power, choose dual‑fuel or tri‑fuel portable generators with transfer switch readiness, sufficient running watts, and long run times. This guide highlights five strong options, each backed by solid output, portability, and safety features. Best for: large homes with central AC, mid‑sized homes with critical appliances, RV owners seeking portable backup, and homeowners needing flexible fuel options.
| Product | Fuel Type | Running Watts | Peak Watts | Best For |
|---|---|---|---|---|
| Westinghouse 12500 Dual Fuel | Gas/Propane | 8500–9500 | 11200–12500 | Large homes, transfer switch ready |
| Westinghouse 14500 Tri‑Fuel | Gas/Propane/Natural Gas | 9540–11500 | 14500 | Power‑hungry homes and outdoor use |
| DuroStar DS13000MX | Gas/Propane | 10000–13000 | 13000 | Whole‑home backup with dual fuel |
| Westinghouse 6500 Dual Fuel | Gas/Propane | 5300–6500 | 5800–6500 | Smaller to mid‑size homes |
| DuroMax XP13000EH | Gas/Propane | 10000–13000 | 13000 | Large homes, RV and emergency use |
Westinghouse 12500 Watt Dual Fuel Backup Generator
Best for: homes needing heavy‑duty power with flexible fuel. This model runs 9500 watts on gas and 8500 watts on propane, with a peak of up to 12500 watts on gasoline and 11200 on propane. It includes remote start, an electric and recoil option, and transfer switch readiness. The 6.6 gallon tank supports up to 12 hours of run time, and the unit powers multiple outlets, including a 30A transfer switch, RV outlet, and standard 20A household receptacles. The digital hour meter and VFT display provide real‑time voltage, frequency, and hours. Caution: heavier unit; needs proper ventilation and secure placement. Best if you already have or plan a transfer switch setup for seamless home power transfer.
Westinghouse 14500 Peak Watt Tri‑Fuel Generator
Best for: larger homes or portable power needs. This tri‑fuel unit delivers up to 11,500 running watts on gasoline, 10,500 on propane, and 9,500 on natural gas, with a peak of 12,000–13,500 depending on fuel. It uses a heavy‑duty 550cc engine and offers long runtimes (up to 19 hours on a full tank). It’s designed for transfer switch compatibility and broader fuel flexibility. Limitation: natural gas use can reduce peak output compared to gasoline. Choose this if you want flexibility across fuel sources and extended runtime.
DuroStar DS13000MX 13,000‑Watt Dual Fuel
Best for: home power backup with dual fuel flexibility and safety features. The DS13000MX provides 13,000 watts, supports gas or propane, and includes remote electric start and transfer switch readiness. It also emphasizes safety with CO alert. If your priority is a robust home backup with quick start and a safety system, this model is strong. Caution: ensure proper placement for exhaust and ventilation; CO monitoring is essential when operating indoors or near living spaces.
Westinghouse 6500 Watt Dual Fuel Home Backup
Best for: smaller to mid‑size homes needing dependable portable backup. Gasoline output runs at 5300–6500 watts with propane at about 4800–5800 watts. A 4.7‑gallon tank provides substantial runtime, and multiple outlets (including a 30A transfer switch receptacle) support essential loads. It includes safety features and a plug‑and‑play design with included fuel and tool kit. Consider this if you don’t need a top‑tier output but want solid performance and ready portability.
DuroMax XP13000EH Dual Fuel Portable Generator
Best for: whole home backup with dual fuel and transfer switch readiness. The XP13000EH offers 13,000 watts of power, dual‑fuel capability for gasoline or propane, and electric start for quick operation. It’s positioned as a robust option for emergency power and RV use, with a focus on durability and versatility. Limitation: dual fuel economy and availability of fuel types can affect run time and cost; plan for fuel logistics in your area.
Buying Guide: Key Purchase Considerations
- Power needs: Estimate essential loads (refrigerator, furnace, sump pump, lights) and choose a model that can sustain those watts with some margin for startup surges.
- Fuel flexibility: Dual‑fuel or tri‑fuel options offer fuel resilience during shortages but may add complexity; prioritize models with clear fuel accessibility and switch options.
- Transfer switch readiness: Transfer switches enable automatic or manual switching to backup power; verify compatibility with your home panel and local codes.
- Runtime and tank size: Larger tanks provide longer runtimes but increase weight and footprint. Match tank size to typical outage duration expectations.
- Safety features: CO alerts, automatic shutdown on low oil, and proper outlet covers reduce risk when operating near living spaces.
- Noise and footprint: Consider decibel levels and the space available for placement, especially in residential areas and enclosed spaces.
- Maintenance: Look for engines with good service networks, readily available parts, and straightforward oil and filter change procedures.
Frequently Asked Questions
- What size generator do I need for a typical home outage?
A typical home may require 5,000–10,000 running watts to cover essentials like refrigeration, lights, and a furnace or air conditioner. For larger homes or extensive loads, 12,000–15,000 running watts may be necessary.
- Is dual fuel worth it for a home backup generator?
Yes, dual fuel provides fuel flexibility during shortages and may extend run times, but ensure the unit’s peak output meets your needs with the chosen fuel type.
- Do I need a transfer switch with a portable generator?
For seamless automatic or manual switching, a transfer switch is recommended and often required by codes for permanent setups.
- Are tri‑fuel generators safer than dual fuel?
Tri‑fuel adds flexibility (gas, propane, natural gas) but does not inherently improve safety. Prioritize CO protection, proper ventilation, and correct installation.
- What is the difference between running watts and peak watts?
Running watts indicate continuous power output; peak watts represent maximum surge power for starting appliances. Ensure continuous needs stay within running watts.
- How do I size a generator for an RV or camping needs?
For RV use, ensure the unit has a dedicated 30A or higher RV outlet and sufficient running watts to support HVAC, fridge, and lighting in the RV setup.