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A generator is only useful if it starts when you need it and runs what you actually plug in. We compare portable, inverter and home-backup units on true running wattage, runtime per tank, noise and fuel type, and explain the sizing math so you buy enough power for your fridge, furnace or job site without overpaying.
22 reviews & guides12 sub-categories

All 22Camping GeneratorsDual Fuel GeneratorsGas GeneratorsGenerator Extension CordsGenerator Transfer SwitchesHome Backup GeneratorsInverter GeneratorsPortable GeneratorsPortable Power StationsQuiet GeneratorsRV GeneratorsSolar Generators
Editor’s top picks
Hand-selected★ BEST WHOLE-HOUSE STANDBY

Generac Guardian 24kW Wi-Fi
★ BEST OVERALL

Southwire 25890001 50 ft 10/3 Generator Cord
★ QUIETEST IN CLASS

Honda EU3200i 3200 Watt Inverter Generator
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WEN 56380i Review
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Champion 100519 Review
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Best Value Dual FuelChampion Power Equipment 201175 6250-Watt Dual Fuel Review
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Westinghouse WGen7500DF Review
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Generac 6852 30-Amp Manual Transfer Switch Review
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Best Overall Manual SwitchA generator is only useful if it starts when you need it and runs what you actually plug in. We compare portable, inverter and home-backup units on true running wattage, runtime per tank, noise and fuel type, and explain the sizing math so you buy enough power for your fridge, furnace or job site without overpaying.