How Does a Home Backup Generator Work?

A Generac home backup generator senses a power outage, turns on automatically, and delivers backup power to your home. It will run until utility power returns - whether that's two hours or two weeks.

1 Utility Power Is Lost

Perhaps it's a storm. Maybe it's an equipment failure. In any case, the electricity you depend on is suddenly gone.

2 Your Generac Generator Senses A Problem

Within seconds, your generator prepares to restore your home's power.

3 The Generator Turns On Automatically - Whether You’re Home Or Away

Within a few seconds, it is up to speed and generating electricity.

4 Your Electricity Is Restored

The automatic transfer switch sends generator power to your home. And it will continue until utility power returns.

Our Generac Home Backup Generators

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From start to finish a top notch job. The salesman was prompt, informative, unafraid to give me a quote and really knew his stuff. He guided placement of the generator and evaluated our need and sold us what was appropriate, no more, no less. Due to a bad winter we had to postpone the install for months. They were relaxed and said no problem; they would wait until we were ready. When install day arrived I got a full explanation of what to expect, as had been previously done, and the no-nonsense crew got to work and left us with a clean, neat and confident installation. Even the electrical inspector was impressed. It was a pleasure to see workers take such pride in themselves. I cannot recommend these folks highly enough. 4 thumbs up as my wife agrees with me! Mark, West Milford

Home Backup Generators: What Do You Need To Know?

# HOW DOES A HOME BACKUP GENERATOR WORK?

It starts and stops automatically, and never needs refueling. This video explains how and why.

# GENERAC CUSTOMER TESTIMONIALS

Hear what several Generac customers have to say about their home backup generators.

# 7 OUT OF 10 CUSTOMERS CHOOSE GENERAC

Find out why so many homeowners choose a Generac home backup generator over competitive brands.