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Generac home standby generators turn on automatically when the power goes out, can back up your entire home, and can run for as long as necessary - until utility power returns - using your existing LP or natural gas fuel supply.

Scroll to find information on scheduling a FREE in-home assessment, features and benefits of Generac home backup generators, finding the right size generator for you, and staying informed about Generac products and offers.

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Home Backup

Find The Right Home Backup Generator For You

With a few clicks of the mouse, our easy-to-use generator sizing calculator will recommend a range of generators that fit your needs.

Find My Generator

Home backup power. Comfort. Security. Come what may.

A permanently installed Generac home backup generator protects your home automatically. It runs on natural gas or liquid propane (LP) fuel, and sits outside just like a central air conditioning unit. A home backup generator delivers power directly to your home’s electrical system, backing up your entire home or just the most essential items. How It Works

Home backup power. <strong>Comfort. Security. Come what may.</strong>

Automatic Operation

Don't worry about having to be there to start and stop your Generac home backup generator. Because it does that automatically. Whether you're home or away.

Refueling Not Necessary

Your Generac home backup generator runs on your existing natural gas or LP fuel supply. Save the gas cans for your other outdoor power equipment.

Power Directly to Your Home

You'll never have to run an extension cord through a window or door again. Your Generac home backup generator safely delivers power right to your home's electrical panel.

The #1 Selling Brand of Home Backup Generators

Generac created the home backup generator category. Today, our generators are preferred by 7 out of every 10 homeowners who invest in home backup power.

24/7/365 Customer Support

Power outages aren't a 9-to-5 thing. That's why we're standing by all day every day from our headquarters in Wisconsin to answer any questions you might have.