Generac Generator Rating

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Generac Generator Reviews

Generac is one of the best-known manufacturers in the generator industry, and for a good reason.

While Generac may not have the name recognition of Honda or Yamaha when it comes to engines, the company has been able to compete on performance at a much lower price over its 60-year history. When you get the best Generac generator, you can be assured that you’re getting a model that will last and offer all of the features you need.

In order to help you find the best Generac generator, we looked through the company’s entire lineup and considered a number of important factors. First, we looked at different types of generators – conventional and inverter generators, as well as portable and standby generators.

All of these generator types are designed for very different purposes.

Within each category, we looked at the rated and maximum power output of each model, the types of fuel it is able to run on, and how long each generator can run for. We spent tens of hours reading technical specifications from Generac as well as customer reviews about each of their generators to come up with our five favorite Generac models, highlighted in the table below.

After that, you’ll find detailed reviews of each generator, complete with pros and cons.

Our buying guide covers everything you need to know about choosing the right Generac generator for your needs. Finally, we sum up our three overall favorite generators in Generac’s current lineup. Roger of Saint Marys, GA Verified Reviewer .

The unit itself is rather cheap and the app needed to run it has never worked. So the unit is attached to my house and electrical service but has been completely un-monitored since day 1.

This means it never does a test run-up, if the power goes out there's no way to control the stupid thing.

I can't say enough the app to use is totally worthless. The technicians that work on this waste of space, are very expensive and the service contact has been useless (as the unit in new!), generac as been absolutely useless!

I should have purchased a Kohler or nothing at all. I honestly wish I could pay someone to remove completely from house but I'm stuck with it like a virus!

My last thought is I normally don't do reviews but I would recommend hitting yourself in the hand with hammer instead of wasting time and money on useless generac junk!

Be the first one to find this review helpful . Kathleen of Cleveland, OH Verified Reviewer . 7 people found this review helpful . Thank you, you have successfully subscribed to our newsletter!

Enjoy reading our tips and recommendations. Don of Clarkton, NC Verified Reviewer . 14 people found this review helpful . Terry of Canton, MI Verified Reviewer . I tried calling Generac and they are full of excuses and won't promise a delivery date.


They say to not call them but rather call the installer.
The installer is just full of excuses but that's another review.
  • 10.0
    AR Score

    Today I called the installer again because now my power is out. She says I am on her list to call, says they have the motor and I am scheduled for next Tuesday (7 days away, hope my power comes back on).

  • This installation cost me $11,000.00.

20 people found this review helpful . Erwin of Hephzibah, GA Verified Reviewer .

14 people found this review helpful . Stuart of Garden Valley, CA Verified Reviewer .

37 people found this review helpful . Robert of Knightstown, IN Verified Reviewer .

33 people found this review helpful . Roger of Roscommon, MI Verified Reviewer .

37 people found this review helpful . Dianne of Downingtown, PA Verified Reviewer . 39 people found this review helpful .

Ross of Fairhope, AL Verified Reviewer .

Where can I buy a Generac portable generator?

About Trustpilot

34 people found this review helpful . Information provided by various external sources.
  • 9.8
    AR Score

    A power outage can happenanytime, anywhere. Fortunatelyfor you, we have an easysolution: Select from the mostreliable lineup of Generacgenerators today! Wisconsin 59 S45W29290. We're open to all.

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Last Updated on December 24, 2021 . Generac Power Systems has been in the business since 1959, giving them plenty of time to develop and perfect their technology and transform their name into a trusted brand.

Their generators are frequently used products across the country, from home standby generators to portable machines.

Generators can be super useful products.

Generac power systems are great tools to own in case of emergency power failures due to natural disasters, or even planned outages from construction.

They can also be used in situations where power isn’t readily available, like camping areas and construction sites.

Are Generac generators quiet?

Company activitySee all

They also provide great customer service.
  • 9.6
    AR Score

    Today, we want to take a look at a few Generac generators to give you an idea of the choices you have within this reliable brand. After checking out just a few of their options, you can venture on to review more of their products.

Perhaps you’ll even find the one you need below. 1 Generac Generator Reviews1.1 1. Generac 7117 Gp2200I W 50St1.2 2.

Generac 6866 iQ20001.3 3. Generac 6864 Generator. Generac 7117 Gp2200I W 50St.

Generac 6866 iQ2000. Generac 6864 Generator. 3 Generac for Power. The Generac 7117 Gp2200i is one of a handful of inverter generators designed, made, and sold by the Generac brand.

It’s lightweight and compact yet oh-so powerful, allowing you to run all kinds of appliances for up to 10.75 hours!


About Generac Power Systems

We’ve performed various tests and scoured its features to bring you a well-rounded review of its positives, negatives, specifications, and everything in between.
  • 9.4
    AR Score

    Let’s start by taking a look at the specs so that you can get a good feel for its capabilities right away. The lightweight design ensures it is easy to maneuver. It comes complete with an economy mode that makes for great fuel economy.

  • It’s fully CARB and EPA compliant, allowing you to use it no matter which state you live in.

The compact design is great for storing in places with limited space. The handle is comfortable to make it even easier to lift and carry with you.

We love that it provides both a USP port and a DC outlet.

The run time is brilliant, especially when you consider the diminutive size of the generator.

The economy mode also works to reduce noise. The integrated on/off switch allows for easy operation.

You can switch between “Choke,” “Run,” and “Stop.”. It’s fantastic for inexperienced users to get up and running with a powerful generator.

It is parallel-ready. However, the kits are sold separately. We noticed it overheats fairly easily when powering with higher loads.

3. Generac 6864 Generator

What size Generac generator do I need?

Unfortunately, the economy mode doesn’t work well with high loads.
  • 9.2
    AR Score

    It’s not stated that you can use it in RVs. However, plenty of customers have enjoyed using it on camping trips. The number of output ports and the running watts might be too low for hefty users.

  • However, if you haven’t used a generator before, we’d say that it’s plenty to get started.

Its running wattage is 100 watts less than its direct competitor. However, we’re very nit-picky here as it’s only a minor difference. There isn’t an electric start.

Instead, it’s manual recoil only. There is no data center. The Generac 5940 GP6500 portable generator gives you a lot of power to pull on two wheels.

CSA-approved and CARB compliant, this durable and safe generator is great for your larger power needs.

When you need more wattage but prefer the convenience of portability, it can be tough to know where to turn.

This Generac model gives you both of those features in one with their 5940 GP6500 product.

With 6500 running watts and 8000 starting watts, this gas-powered machine sure does deliver. A convenient handle along with two sturdy wheels lets you take this model anywhere to use at home, on the job site, or during a sizable event.



The 389cc OHV engine is built for the long-term, displaying consistent and reliable power over long periods of time.
  • 9.2
    AR Score

    With solid construction and durability, you’ll get a lot of use out of this product. The fuel tank holds 7.2 gallons of gas, which lends 10 hours of run time at a 50% load. Safety features shut your machine off when your oil gets too low, protecting both you and your investment.

  • An hour meter lets you easily read your run time, while the covered outlets stay protected while not in use.

Size: 28.75 x 26.75 x 25 inches. Weight: 184 pounds. Starting Wattage: 8000. Tank Size: 7.2 gallons.

Two 120V outputs, one 240V output. Starts easily on the first pull. Efficient run-time and abilities.

Easy to operate and assemble. Capable of powering most appliances in average size homes.

Low oil sensor for safe automatic shutoff. Can be loud at times. Does not include USB ports.

No remote monitoring. A diesel alternative to the other Generac products we’ve looked at, the 6864 model offers a moderate level of power for just the right amount you need for a variety of emergencies, projects, and situations.



The Generac 6864 portable generator uses a diesel-powered engine for efficient and reliable power.
  • 9.2
    AR Score

    This engine is built to perform, using industrial-grade materials and air-cooled technology. Since diesel is more reliable, it means there is less work for you and as well as maintenance.

The whole package is wrapped together securely using a durable, fully welded steel frame. This frame also makes it easy to carry and transport.

Using what’s called True Power Technology, this generator offers less than 5% harmonic distortion. This means that all of your electronics, appliances, and tools will run smoothly with no hiccups or lag.

This is perfect during a power outage and an excellent fit for backup power. The operation is easy using the simple control panel.

Everything is labeled, so you can quickly find the transfer switch, the hour counter, and the outputs. It also includes an optional electronic start, although it requires you to purchase a battery.

Size: 33.1 x 22.5 x 25.6 inches. Weight: 254 pounds. Starting Wattage: 550. Tank Size: 12 gallons.


Customer Reviews

Four 120/240V outputs. Optional electronic start. Easy to read and use the control panel.
  • 9.0
    AR Score

    The welded steel frame is sturdy and reliable. Large tank runs for 32.4 hours at 50% load. The diesel engine is reliable and low maintenance. Will not run without a battery due to fuel cut-off feature.

  • Many consumers frequently asked common questions about products like the ones we have just discussed.

Not all users of Generac generators are experts, so a little help can be a good thing. If you’ve read through our review and find that you still have some unanswered questions, take a look at this FAQ section; you might find the answers you’re looking for!

Quiet is a bit of a relative term when it comes to generators.

Truthfully, no generator is going to be 100% silent since you are essentially running an engine designed to power multiple other machines.

The noise level will be specific to your machine, and its features.

Generally, a larger machine tends to produce more noise.

A smaller generator (like an inverter generator) will be quieter. Also Read:Generac IX2000 vs IQ2000 Generator Comparison.


Customer Reviews

Generac companies function out of the United States and Canada, apart from the United States they do service countries internationally.

The answer to this question depends on what you plan on using your generator for.


Generac for Power

Luckily, the Generac website has a generator calculator that can help you find the best product to suit your needs, whether you need a standby generator, whole house generator, inverter generator, portable generator or you need it just as a backup power source.

1. The size generator

Different Generac products use different methods to power their engines. Most Generac models use natural gas, but some run on liquid propane.

Others run on battery power or have the option to switch the battery power. Battery options are useful because you can recharge them, but you will have to purchase the battery separately for these models.

2. The power

Generac portable generators are available for purchase at a variety of online and in-store locations. You can buy any Generac product on the Generac website, but you can also find their products at places like Ace Hardware, Acme Tools, Gainger, The Home Depot, Lowe’s, and many more locations.

3. Cost

For a full, comprehensive list specific to your location, use Generac’s online location lookup tool. This page will tell you the closest stores to you as well as give you online ordering options.

Important features of the generac portable generator

With many generators sold out, we’ve found the best generators you can buy that are still in stock.

The Generac website has an excellent resource for finding parts along with maintenance kits for your Generac generators. Their online product lookup lets you nail down product specifications, manuals, FAQs, and how-to videos.

You can also find parts that you need to make repairs. Also Read:Generac IX2000 Generator Review. As you can see, Generac is a well-known brand name that has tons of helpful generator products and resources. A generator can be the best solution in emergency situations as well as recreational activities.

It can help you run almost all of the appliances in your home during an outage, but it can also serve as a comfort item on an outdoor adventure in the middle of nowhere. You should never be without power when you need it most, and the truth is, you never know when the next outage will be.

Generac is dedicated to make sure its customers have only the best in quality. Note: If you have a limited budget, then you can go for DuroStar generators.

Closing Points

Also Read: Generac IQ2000 Portable Generator Review.

We’ve compiled a list of the eight best Generac portable generators based on consumer feedback and reviews. Contact us today if you have any questions about these or other models, or if you need help choosing the perfect generator for your home.