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Find the right generator in 60 seconds

Specs from makers' spec sheets · No fake reviews · CO shut-off required on every gas pick

Step 1 of 3

What do you want to keep running?

Basics
  • Fridge

    400 W running · 1,200 W starting

  • Freezer

    300 W running · 1,000 W starting

  • Lights (LED, a few rooms)

    100 W running · 100 W starting

  • Phone / Laptop

    80 W running · 80 W starting

  • Wi-Fi router

    15 W running · 15 W starting

  • TV

    150 W running · 150 W starting

  • CPAP

    60 W running · 60 W starting

Home systems
  • Sump pump (1/2 HP)

    1,000 W running · 2,150 W starting

  • Well pump (1/2 HP, 240V)

    1,000 W running · 3,000 W starting · 240V

  • Furnace fan (1/3 HP)

    700 W running · 1,800 W starting

  • Space heater

    1,500 W running · 1,500 W starting

Comfort / heavy
  • Window AC (8,000 BTU)

    750 W running · 2,000 W starting

  • RV AC (13,500 BTU)

    1,500 W running · 3,000 W starting

  • RV AC (15,000 BTU)

    2,000 W running · 3,500 W starting

  • Mini split (240V)

    1,000 W running · 1,200 W starting · 240V

  • Microwave

    1,000 W running · 1,000 W starting

  • Water heater (electric, 240V)

    4,500 W running · 4,500 W starting · 240V

  • Power tools (circular saw)

    1,400 W running · 2,300 W starting

Custom appliance

Pick at least one

Tools

Generator size calculatorPick what you want to keep running. Get your watts.Power station runtimeHow many hours will a battery last?Generator fuel runtimeHow long will your gas or propane last?RV AC checkWill this generator start your RV air conditioner?

Popular guides

SizingWhat size generator do I need?SizingWhat size generator for a sump pump?Can it runWhat can a 2,000 watt generator run?Power stationsCan a power station run a fridge?ConnectHow to connect a generator to your houseSafetyGenerator safety and carbon monoxide

Fix it

Generator won't startGenerator surgingRunning but no powerPower station not charging