7 Best Generators for Home Backup Power of 2026

By Lauren Holland

Updated November 2026

Choosing the best generator for home backup power comes down to what you need to keep running during an outage, how long you need it to run, and how you plan to refuel it. A refrigerator, a sump pump, a CPAP machine and a few lights have very different power demands, so the right unit depends on your actual loads rather than the biggest wattage number on the box. This guide compares seven options across gas, dual fuel, whole-home standby and battery-based solar power stations. Our selection criteria were continuous output versus surge capacity, fuel type and storage, noise, portability, transfer switch compatibility, safety features, and patterns in owner feedback about reliability.

Note on method: This comparison is based on published manufacturer specifications, brand reputation and common owner feedback patterns. We have not tested these units ourselves, and specs should be confirmed on the product listing before purchase.

Our Top Picks

Quick Comparison

Generac 14kW Whole Home Generator

Generac 14kW Whole Home Generator, Transfer Switch & Cellular Capability | Whole House Backup Power, Automatic 200 Amp Transfer Switch, Outdoor Gas Propane, Protects Home Outages, Storm Protection

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Best for: Whole-house standby backup For another angle, check out 7 Best DIY Portable Solar Power Generator Options for Camping and Backup.

This is a permanently installed standby unit for homeowners who want the whole house to switch over automatically when grid power fails. It suits people who experience frequent or long outages and have a suitable gas or propane supply.

Key specs

• 14kW rated output
• Automatic 200-amp transfer switch included per listing
• Outdoor gas or propane fuel

Pros

• Automatic switchover without manual intervention
• Can power the whole home, including large appliances
• Built for outdoor, year-round installation

Cons

• Requires professional installation and permits
• Needs a dedicated fuel line or propane tank

Bottom line: The right choice for homeowners who want hands-off, whole-home protection and can accommodate a permanent installation.

DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator

DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

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Best for: Whole-home power with manual switching

This portable dual fuel unit suits households that want high capacity at a lower purchase level than standby systems and are comfortable running cords or connecting through a transfer switch.

Key specs

• 13,000-watt rated listing
• Dual fuel: gasoline and propane
• Electric start

Pros

• Large capacity for a portable unit
• Runs on gasoline or propane, useful when fuel is scarce
• Electric start is convenient in the dark or cold

Cons

• Heavy and loud compared with inverter models
• Must be run outdoors and away from windows

Bottom line: A strong option for those who need high output and are willing to manage fueling and placement themselves.

Oxseryn Power Equipment 4400 Watts Inverter Generator

Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup

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Best for: Quiet operation and small kitchens

This open-frame inverter generator fits households with essential loads such as a refrigerator, lights, a router and a sump pump, where quieter running and lower fuel use matter more than maximum output.

Key specs

• 4,400-watt listing
• Inverter design with ECO mode
• Gas powered

Pros

• Inverter output is generally cleaner for sensitive electronics
• ECO mode reduces noise and fuel consumption
• Lighter and easier to move than whole-home units

Cons

• Limited capacity for large appliances like central air
• Requires outdoor operation and regular fuel management

Bottom line: A practical pick for apartments with outdoor space or homes that mainly need to keep essentials running.

Jackery HomePower 3600 Plus Power Station

Jackery HomePower 3600 Plus Power Station, 3584Wh, 3600W AC Output | LFP Battery, Expandable to 21kWh, Solar Generator, Essential Home Backup for Home Use, Emergencies, RV (Solar Panel Optional)

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Best for: Solar-ready home backup

This battery-based power station is for homeowners who want silent, indoor-capable backup that can be recharged from solar panels over time. Manufacturers note it can be expanded with additional battery capacity.

Key specs

• 3,584Wh LFP battery capacity
• 3,600W AC output
• Expandable battery capacity per listing

Pros

• Silent operation suitable for indoor use
• LFP chemistry is known for long cycle life
• Solar charging option for extended outages

Cons

• Runtime depends heavily on load; large appliances drain it quickly
• Solar panels are sold separately

Bottom line: Best for households that want quiet, emissions-free backup for critical loads and plan to add solar.

WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator (DF680iX)

WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)

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Best for: Fuel flexibility and EV-style backup

This dual fuel inverter generator suits buyers who want the option to run on gasoline or propane and who value built-in safety features such as a carbon monoxide watchdog and fuel shut-off.

Key specs

• 6,800-watt listing
• Dual fuel operation
• Electric start, CO watchdog and fuel shut-off per listing name

Pros

• Runs on two fuel types
• Includes CO watchdog and fuel shut-off features
• Inverter design suits sensitive electronics

Cons

• Output is well below whole-home standby units
• Still requires outdoor placement away from living spaces

Bottom line: A good middle ground for homes with medium loads that want fuel options and added safety monitoring.

Jackery Explorer 300 Portable Power Station

Jackery Explorer 300 Portable Power Station,292Wh | Backup LiFePO4 Battery, Solar Generator for Outdoors, Camping, Travel, Hunting, Blackout (Solar Panel Optional)

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Best for: Essential loads and short outages

This compact power station fits apartments and small homes that only need to keep a few devices, lights, a phone charger or a small medical device running during brief outages.

Key specs

• 292Wh LiFePO4 battery
• Optional solar charging per listing
• Portable carry design

Pros

• Small and light enough to move between rooms
• Silent, indoor-friendly operation
• Low entry point for basic backup needs

Cons

• Limited capacity; a refrigerator will drain it within hours
• Not suitable for high-draw appliances

Bottom line: A sensible starting point for light backup needs, not a substitute for whole-home power.

EF ECOFLOW Delta 3 Portable Power Station

EF ECOFLOW Delta 3 Portable Power Station, 1024Wh 1800W | LiFePO4 Battery, Full Charge in 56 Min, 1800W AC/100W USB-C Output, Solar Generator for Home Backup Power, Camping & RVs

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Best for: Fast recharging for medium loads

This LiFePO4 power station suits households that want reasonable capacity, fast recharging and silent indoor operation for mid-sized loads such as a CPAP machine, a router, lights and a small refrigerator.

Key specs

• 1,024Wh LiFePO4 battery
• 1,800W AC output
• Full charge in about 56 minutes per listing

Pros

• Fast recharge from wall power
• Silent operation suitable for bedrooms
• Strong output for its size

Cons

• Runtime for a refrigerator is measured in hours, not days
• Expansion and solar charging may add to the setup

Bottom line: A balanced choice for critical loads and overnight outages in a typical home.

Buying Guide

Power output and surge capacity

Add up the running watts of the devices you need, then add the surge watts for motors such as a sump pump or refrigerator compressor. Check continuous output on the listing; surge ratings are short-term peaks. A sump pump may draw two to three times its running watts at startup, so leave headroom.

Good picks for this: Oxseryn 4400W Inverter Generator, Jackery Explorer 300

Runtime and energy capacity

For battery stations, watt-hours tell you how long a load will run. Divide watt-hours by the average watts of your loads, then account for inverter losses, typically around 10 to 15 percent. For fuel generators, runtime depends on tank size and load. Owners often find real runtimes are shorter than the advertised figure at full load.

Good picks for this: Jackery HomePower 3600 Plus, EF ECOFLOW Delta 3

Fuel type and storage

Gasoline degrades over months and needs stabilizer. Propane stores indefinitely and is widely available, though tanks must be sized correctly. Dual fuel units offer flexibility. Battery stations need no fuel but must be recharged from the grid or solar.

Good picks for this: DuroMax XP13000HX, WEN 6800-Watt Dual Fuel Generator

Transfer switch and connection method

Connecting a generator to household wiring should be done with a properly installed transfer switch or interlock kit. Never backfeed through a standard outlet, as this can energize utility lines and injure line workers. Consult a licensed electrician for any permanent connection.

Good picks for this: Generac 14kW Whole Home Generator, DuroMax XP13000HX

Noise and placement

Open-frame inverter units are generally quieter than conventional generators, but all fuel-powered units must run outdoors, at least 20 feet from doors and windows according to common manufacturer guidance. Battery stations can run indoors, which is a major advantage for apartments.

Good picks for this: Jackery HomePower 3600 Plus, Oxseryn 4400W Inverter Generator

Portability and weight

Portable units with wheels or handles are easier to move, but heavy gas units can still exceed 100 pounds. Consider who will be lifting the unit during an outage, and whether you have stairs or a garage to navigate.

Good picks for this: Jackery Explorer 300, EF ECOFLOW Delta 3

Safety features and maintenance

Look for carbon monoxide monitoring, automatic shut-off and overload protection. Gas units need regular oil changes and periodic run tests. Battery stations should be stored in moderate temperatures and kept charged according to the manufacturer’s guidance.

Good picks for this: WEN 6800-Watt Dual Fuel Generator, Generac 14kW Whole Home Generator

FAQ

What size generator do I need for home backup?

Start by listing the devices you want to run, their running watts, and their startup surge watts. A typical refrigerator, a few lights and a router may total a few hundred watts, while central air or an electric dryer can require several thousand. A licensed electrician can help calculate whole-home needs.

Can I run a generator inside my house or garage?

No. Fuel-powered generators produce carbon monoxide, which can build up quickly in enclosed spaces. Manufacturers consistently advise running them outdoors, away from doors and windows. Battery power stations produce no combustion exhaust and are generally safer for indoor use.

How long will a power station run a refrigerator?

It depends on the refrigerator’s average daily energy use and the station’s watt-hour capacity, adjusted for inverter losses. Many refrigerators use a modest amount per day, but compressors cycle, so the actual result varies. Check your appliance’s energy label and do the math with your specific unit.

Do I need a transfer switch?

If you want to power household circuits rather than plugging devices directly into the generator, yes. A transfer switch or interlock kit prevents backfeeding onto the utility grid. Installation should be performed by a licensed electrician following local code.

Can a solar generator replace a gas generator?

For light or medium loads and shorter outages, a battery-based solar station can be a practical alternative. For whole-home power or multi-day outages, many households combine solar with a fuel generator. Compare your load profile against the runtime you need.

How often should I test my backup generator?

Run fuel generators under load periodically, following the owner’s manual, and rotate or refresh stored fuel. Battery stations should be topped up on a regular schedule so they are ready when needed. Keep a written maintenance log.

Conclusion

The best generator for home backup power depends on what you need to keep running and for how long. For whole-home coverage with automatic switchover, the Generac 14kW standby unit is the most complete option, though it requires professional installation. For high-capacity portable power with manual switching, the DuroMax XP13000HX is a strong pick. The Oxseryn inverter generator suits quieter, essential-load backup, while the Jackery HomePower 3600 Plus fits households planning for solar. The WEN dual fuel unit adds fuel flexibility, and the Jackery Explorer 300 and EF ECOFLOW Delta 3 cover lighter and medium loads with indoor-friendly operation. Confirm your wattage needs before buying, and consult a licensed electrician for any permanent connection.

Sources

• Guidance on home energy use, backup power planning and generator safety (energy.gov)
• Carbon monoxide safety recommendations for portable generators (cpsc.gov)
• Electrical and fire safety standards relevant to standby and portable power (nfpa.org)

Related reading

• Top 5 EcoFlow Power Stations with Solar Panel Options for Home Backup (2026)
• Home Backup With a Solar Generator: What It Can Power and How to Connect Safely
• 8 Best EcoFlow Delta Pro Ultra Whole-Home Backup Power Picks (2026)
• 7 Best EcoFlow Delta Pro Ultra X Whole-Home Backup Power Options for 2026

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our solar generators for home backup & emergencies guides, checking product details against manufacturer specifications and owner feedback.