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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I wanted to take the time to thank tag mechanical, and they said posting a testimonial would be thank you enough. Do you know what you do not want to go home to after along day at work? Frozen pipes. Flooded basement. Spoiling food in the frig. No water. No heat. And all because of NO POWER! Well, that is what I came home to a couple of years ago. It was one of those wonderful days in Central New York when the weather changed in a heartbeat, the winds came up, temps dropped, and the snow piled up. Unknown to me, the power in our end of town went out. What a mess! After that bad event, I did my homework on stand-by generators. I made the best decision to go with TAG for my whole house generator. They were professional from start to finish. The Generac 22 kW generator has worked flawlessly. As there has been other power outages over the last two years, my home has stayed well lit, warm and dry. Love my Generac generator! Thank you TAG! Sandra G. / Fayetteville , NY

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.