Generac: Company Profile, Products and What to Know Before You Buy (2026)

Generac is an American power equipment company from Wisconsin that calls itself the number one manufacturer of home backup generators. It has been in business since 1959, and today it sells far more than generators: transfer switches, home batteries, solar equipment, smart thermostats, EV chargers and pressure washers.

This profile explains who Generac is, how the company got here, what it makes, where its products are built, and how its dealer and support network works. It also covers the less glamorous side, including product recalls, so you can judge the brand with open eyes.

Company facts come from Generac’s own website and support pages, with a few historical details from outside sources that we name. We have no connection to Generac.

Who Is Generac?

Generac’s website describes the company in a few bold lines. It says Generac was “the first to engineer affordable home standby generators,” and that it built the first engine designed specifically for generator use.

Here is what the company says about itself today.

• It calls itself the number one manufacturer of home backup generators.
• It says it makes the widest range of power products on the market, including portable, residential, commercial and industrial generators.
• It describes itself as a leading maker of manual and automatic transfer switches for backup power systems up to 2 megawatts.
• Its Generac Mobile line covers light towers and trailer-mounted generators.
• It says it pioneered the residential power washer category.
• It now calls itself “a total energy solutions company,” which reflects its move into batteries, solar and smart home products.

These are Generac’s own claims. They tell you how the company sees itself, and they explain why you find the name on so many kinds of equipment.

A Short History of Generac

The thread running through that timeline is simple. Generac began with small portable generators, built its name on automatic home standby power, and is now trying to become the company that manages all the energy in a home.

Its website puts it this way: Generac has been “keeping the lights on since 1959,” which it says makes it one of the few companies in its industry that has been around longer than the warranty on its products.

What Generac Makes Today

Generac’s website groups its products into a handful of families.

A few details from Generac’s pages are worth knowing.

• Home standby units run on natural gas or liquid propane. Generac says they sit outside like a central air conditioner and start within seconds of an outage.
• The standby range is wider than most people expect. Generac’s website lists 77 standby products, including three-phase and diesel models.
• Portables now come in every fuel. The current list includes gasoline, dual fuel, tri fuel and one diesel model.
• The Home Energy System ties things together. Generac says a home generator can power the house and charge the battery when the grid is down.

Our guides to whole-house generators and portable generators explain how to choose between the types.

Where Are Generac Products Made?

Generac answers this in its own FAQs, and the answer has two parts.

• Home standby generators: Generac says they are “assembled in Wisconsin, USA, using both foreign and domestic parts.”
• Engines: Generac says it designs and manufactures its G-FORCE and OHVI engines at its facilities in Wisconsin. It also says plainly that its “Generac OHV engines are not engineered or manufactured in the U.S.”

So a Generac standby unit is assembled in the United States from a mix of parts. A Generac portable generator with an OHV engine uses an engine built abroad.

Generac’s headquarters are in Waukesha, Wisconsin. Wikipedia lists further manufacturing sites in Berlin, Oshkosh, Jefferson, Eagle and Whitewater, all in Wisconsin.

Key insight: “made in the USA” is rarely a yes or no answer for power equipment. Generac’s own wording, “assembled in Wisconsin using foreign and domestic parts,” is the accurate way to read it.

Other Brand Names Generac Builds

You may own a Generac without knowing it. Generac’s support site says its service dealers do warranty work on “Generac manufactured products including DeWALT, Honeywell, and Powermate.”

Generac’s own maintenance kit listings also name Honeywell and Centurion standby generators as machines built by Generac with the same engines.

If you own one of those brands, a Generac service dealer is often the right place to ask about parts and service. Check your model number first.

Generac Technology Names, Decoded

Generac uses a lot of trademarked names. Here is what the common ones mean.

Support, Warranty and the Dealer Network

A generator is a long-term purchase, so the company behind it matters.

Support

Generac says its customer service is open 24 hours a day, every day of the year, from its Wisconsin headquarters. The number is 1-888-GENERAC, which is 1-888-436-3722. Its support website has guided troubleshooting, manuals and product registration.

Warranty

Warranty terms depend on the product. These are the terms stated on the current listings we checked.

Dealers

Generac says its standby generators are installed, serviced and supported by about 10,000 authorized dealers. It ranks them in five tiers.

• Select: authorized to sell. Installation and service vary.
• Elite: installs and offers basic service, with at least one factory-trained technician.
• Elite Plus: at least two trained technicians and 24/7 emergency support.
• Premier: at least four trained technicians and a focus on Generac products.
• Prestige: the top tier, added in 2025.

Dealers that carry the PowerPro label offer financing. You can search for a dealer on Generac’s website by location and by service.

Recalls and Product Notifications

No large manufacturer avoids recalls, and Generac is open about its own. Its website has a “Product Notifications and Recalls” page.

When we checked in October 2026, that page listed notices for electric-start pressure washers, a portable generator fuel leak, GP series enhancements and a handle spacer.

The same page carries a notice for older standby units. Generac says owners of its air-cooled home standby generators larger than 13 kW, built between 2008 and 2015, are eligible for a one-time, no-cost inspection. The inspection checks whether a fuel system part called the plenum has excessive corrosion.

Is Generac the Right Brand for You?

Here is a balanced view, built from the facts above.

Generac is a sensible first place to look if you want an automatic home standby system and value having many dealers nearby. If you only need a portable, compare it fairly with other brands. Our guide to portable vs standby generators helps with that first decision.

How Generac Compares on Paper

Brand loyalty runs deep with generators, so it helps to line up the published facts. Here is how Generac’s home standby range sits beside two well-known rivals.

Two things stand out. Generac and Kohler both reach far beyond the sizes most homes need, while Champion stops at 26 kW. And Champion states the longest standby warranty of the three.

A table like this does not tell you which is best. It tells you where to look harder. The installer, the local service and the exact model still decide how well a generator serves you.

Three Generac Products That Show the Range

These three picks show how wide the Generac range is. Each had an active Amazon listing when we checked in October 2026.

Common Mistakes When Judging a Generator Brand (and the Fix)

Pro Tips for Generac Buyers

• Start with the type, not the model. Decide between standby, portable and battery first.
• Use Generac’s own tools. Its site has a portable product finder, a standby solution finder and a dealer locator.
• Ask for a load calculation. A dealer should show you why a size was chosen.
• Keep the serial number handy. Generac’s service request form and manual search both ask for it.
• Plan the service. Generac’s kit listings for current air-cooled standby units state a service every 200 hours or 2 years.
• Read the manual before the storm. Every answer you need at 2 a.m. is in it.

Real-Life Scenarios: Does Generac Fit?

These are typical situations that buyers describe in forums and reviews. They are examples to help you decide, not quotes from real people.

Generac: FAQ

Your Generac Buying Checklist

• Decide what you need: standby, portable or battery.
• Add up the loads you want to run.
• Choose your fuel: natural gas, propane, gasoline or diesel.
• Read the product page for the exact model.
• Check where it is made, if that matters to you.
• Find a dealer and check the tier for a standby system.
• Ask what Mobile Link includes and what costs extra.
• Look up recalls and notices for the model.
• Read the warranty statement.
• Register the product after you buy it.

Sources: Generac’s official website (generac.com): the About page, the home standby and portable generator pages and FAQs, the Home Energy System page, the Mobile Link page, the dealer tiers page and the Product Notifications and Recalls page; Generac’s support site (support.generac.com); Wikipedia’s article on Generac for historical details; a Generac Holdings filing with the US Securities and Exchange Commission for the 2010 listing; news reports on the 2021 ecobee acquisition; Amazon listings for the products named in this guide. All checked October 2026.