Generac vs Kohler vs Champion vs Briggs: Which Is The Best Home Generator?

In Blog, Reviewsby Tim Brennan

Generac vs Kohler vs Champion vs Briggs & Stratton

Generac vs Kohler vs Champion vs Briggs & Stratton: In this article, I provide a review of the best standby power generators that you can get delivered right to your home from Amazon.com. I’ll explore features and benefits as well as the pros and cons of each unit.

Power.  It’s something we take for granted every day.

Your lights just work, your fridge keeps things nice and cold, the TV and cable turn on, and the washer & dryer go round and round.

Heck, even the Internet works consistently [most of the time].

The electrical devices that power our lives bring us comfort, convenience, and even joy.

That is until they don’t.

Quick Comparison Charts: Generac vs Kohler vs Champion vs Briggs

Let’s start with a quick comparison of four top-rated models from Generac vs Kohler vs Champion vs Briggs.

Generac 70432
Best Overall
Rated Power (kW): 22/19.5 kW
Power Source: Propane or Gas
Enclosure Material: Composite
Auto-Start: Yes
Mobile App:No
Dimensions: 48 x 26.2 x 29 in
Weight: 560 lbs
Kohler 100LC16
Close 2nd Place
Rated Power (kW): 20/18 kW
Power Source: Propane or Gas
Enclosure Material: Aluminum
Auto-Start: Yes
Mobile App:Yes
Dimensions: 48 x 25 x 29 in
Weight:526 lbs
Briggs & Stratton 40555
For Smaller Homes
Rated Power (kW): 17/14.4 kW
Power Source: Propane or Gas
Enclosure Material: Steel
Auto-Start: Yes
Mobile App:No
Dimensions: 50.5 x 32.9 x 31 in
Weight:484 lbs
Champion 100294
General Purpose
Rated Power (kW): 14/12 kW
Power Source: Propane or Gas
Enclosure Material: Composite
Auto-Start: Yes
Mobile App:No
Dimensions: 50 x 30.1 x 40.2 in
Weight:594 lbs

Power Loss: A Costly Ordeal

A temporary loss of power is a mere annoyance. You reset a few clocks and maybe need to reboot your computer. But when you lose power for more than an hour or two things can start to get costly. And things get progressively worse due to an extended outage from a hurricane, severe winds, earthquake, tornado, or other natural disasters.

A few examples:

  • Water damage due to electric sump pump not working
  • Frozen or burst pipes due to no heat
  • Unable to heat hot water
  • Can’t cook and clean
  • Lost productivity from work
  • Food spoilage
  • Potential theft due to home security systems not working
  • Unplanned medical expenses if you get hurt stumbling around in the dark [this would be me]

The problem is most homeowners wait until the power goes out before rushing out to buy one in a panic. At that point, it’s usually too late and some of these expenses are already incurred.

For these reasons and many more, a standby home power generator just makes sense. And it will keep your smart home chugging along nicely even during a power loss.

In this post, I’ll provide a review of the four best power generator brands you can buy on Amazon.com: Generac vs Kohler vs Champion vs Briggs and Stratton.


Why Amazon?

Well, if you are a Prime member shipping is free, they have certified installation services for some models, and the pricing is super competitive-just about the lowest around. They also have a ton of great options from these major brands.

All four companies provide outstanding home standby generators. Their most popular models run between 14kW –and 22kW so I’ll include a nice mix of top-rated generators from these brands in this review.

A note about delivery. These items are very heavy (in excess of 500 lbs!) so we sure to specify a delivery location when you order. They cannot be delivered to your door or porch, etc.


How Standby Power Generators Work

Generac has a great video that explains how its power generators work. For the most part, this applies to the other generators featured here too.


Two Great Home Standby Generator Buying Guide Resources

Generac also has a really nice sizing calculator that can help you choose the right sized unit for your home.

And Consumer Reports has an excellent buying guide on how to choose the right sized generator for your home, so I won’t repeat any of that here.

What I will do is give the scoop on highly rated generators from these four brands, along with links to compare similar models over at Amazon.

A word to the wise, always check the local ordinances for the city and town in which you live before buying one of these bad boys. You want to make sure they are allowed on your property. The required distance from your dwelling is also a key factor for both safety and zoning reasons.

Also, make sure that you consult with an electrician or certified installer so that you buy the right-sized unit for your home.


Generac vs Kohler vs Champion vs Briggs: What to Look For

Enclosure

When it comes to enclosures, it’s all about the material.  Generally, the enclosures come in plastic composite, aluminum, or steel.

The primary benefit of the plastic “composite” generators over the other two options is that plastic isn’t corrosive. However, since plastic will burn, the distance in feet from your house will need to be further away. How much further? Well, this is going to depend on the product and your local city ordinances. Consult the manufacturer’s manual and your local authorities (town hall building permit or zoning office) if you are concerned.

However, plastic remains a great choice for saltwater areas or if you live in a location that gets a ton of rain and snow.  Since it’s not corrosive, it’s probably the best choice in general, unless you want the generator to be installed flush with your home.

With the steel and aluminum models, you can install pretty much right up alongside your house.  But again, check your city ordinances and the manufacturer installation instructions for specifics (usually between 16-20 inches).

Most Generac enclosures are made of aluminum material. This includes the popular and highly rated Guardian Series [one of which is featured here].

Kohler and Champion have more options for materials than Generac or Briggs. Kohler’s standard enclosure material is plastic but you can get them in other materials for many models.

Since plastic can burn, you can’t install it as close to your home as you could a Generac generator (or you could just choose another material).

However, the plastic option is immune to corrosion. So, if you live near a beach or somewhere prone to a lot of rain, Kohler or Champion will likely be better choices for you.

Engine

generac vs kohler

Generac’s OHVI Series Engine

All of the generators featured here have a high performing engine, and since they all require a direct external source of fuel, the engine is built to last through even longer-term outages.

For smaller generators, the engine is often compared to a lawnmower engine. For the larger, generators, a motorcycle engine. However, even when comparing Generac vs Koheler vs Champion vs Briggs, none of these is going to wake your neighbors as they are engineered to be quiet. See Noise Level below.

Cooling

Since the generator engine will heat up when running over longer periods, some sort of a cooling mechanism is the idea.

There is a nice overview of generator cooling systems here.

Noise Level

As noted above all of the products featured here are fairly quiet.  In terms of noise output, you can compare it to a central air conditioning unit.

If you want to get more technical, they typically come in at around 60-70 decibels, but larger units can’t hit 75-80 at full tilt.

You aren’t going to wake your neighbors, but they do generate a bit of noise.

Smart Options [Wifi]

In terms of smart features, Generac is a major step ahead of the competition here. Most of their newer generators include an app that lets you do the following:

  • View generator status
  • Obtain details of upcoming maintenance
  • Set exercise run schedule remotely
  • Review run and maintenance history
  • Change messaging settings
generac vs kohler

Generac’s Mobile Link App

You can even get local weather updates and connect your account to your authorized service provider. This will let them review your maintenance schedule and alerts.


Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, Aluminum

Generac vs Kohler vs Champion vs Briggs

Generac is a top leader in this space and with good reason. A high performing engine, quality parts, comprehensive systems, and a great warranty make this a great choice for your power needs. What’s more, an army of certified installers is at the ready to help assist you with getting this up and running in no time.

If you choose to buy your Generac generator on Amazon, you should have no trouble whatsoever finding a local installer. Here’s one near me in Massachusetts and there are likely dozens in your area.

Here’s a nice video review of this model from Generac:

The benefits of the Guardian is that you really do get whole-house coverage even if you have a larger home and are running some major appliances like central AC or electric heat.

Again, it’s all going to boil down to what you need to run in case the power goes out.  If you want to keep the whole house going, Generac is a great choice.  If you are just looking to keep a few key appliances up and running (fridge, water heater, sump pump, etc., you can certainly get buy with less expensive options.

Pros

  • Rated as the highest quality brand of home generators by a Builder magazine independent brand study.
  • Powers 16-circuits of your home with the 200-amp, NEMA 3R (indoor or outdoor rated) transfer switch with aluminum enclosure
  • Smart, user-friendly controls onboard the unit itself and via the app for your mobile devices
  • Multilingual LCD display
  • Monitor Battery status and track maintenance intervals
  • Free mobile link, allowing you to monitor the status of your generator on a phone, tablet or computer from anywhere in the world.
  • Connects to existing LP or natural gas fuel supply
  • Auto senses power loss and automatically fires up within seconds
  • Runs for as long as necessary until utility power returns.
  • Ability to choose from just enough power to cover essential circuits or whole-house coverage.
  • Engineered & built in the U.S.A
  • Removable door panels, designed to streamline and simplify the installation
  • The base pad that requires minimal ground preparation
  • G-force engine is built to withstand long term outages
  • 24/7/365 customer support
  • A nationwide network of more than 5, 000 service providers

Cons

  • 5-Year Limited Warranty is less than some of the others featured here

⚡You can see the latest price over at Amazon here.

⚡There are plenty of other Generac options on Amazon as well.  


Kohler 20RESCL-100LC16 Air-Cooled Standby Generator with 100 Amp Transfer Switch Single Phase, 20,000-Watt

Generac vs Kohler vs Champion vs Briggs

Kohler is another great choice when it comes to power generators. In fact, I was tempted to put them ahead of Generac for three reasons.

What are they?

Ratings, ratings. ratings.

While the Kohler generators are rated highly on Amazon, it’s not the actual rating that got me. It’s what many customers are saying about Kohler’s reliability. To summarize, they say that once this is set up, you can literally set it and forget, save some minor annual maintenance.

Kohler also has 90 years of innovation in the generator industry and is trusted by hospitals, airports and weather services for their back-up power needs.

I love this 30-second Kohler ad spot:

And here is Kohler’s mini “infomercial” about their product line:

Even for those customers who are prone to frequent outages, they say that it’s like the outages don’t even exist. The Kohler generator kicks on automatically when needed supply power to the whole house.

Pros

  • Customers rave about the reliability of this home generator
  • Designed for extended power outages
  • Automatically kicks in whenever the power goes out
  • Corrosion-proof enclosure for style and protection from the harshest conditions.
  • 14kW generator named one of Green Builder’s Hot 50 Products

Cons

  • A few customers complained about issues with 3rd-party Kohler installers and lack of support from these installers.  I suggest you do some good research before picking an installer that will also service and support your unit.

⚡You can check the price and read customer review over on Amazon here.

⚡You can also see some additional Kohler home standby generator options.


Briggs & Stratton Power Products 40555 17kW Standby Generator with 200 Amp Transfer Switch

Generac vs Kohler vs Champion vs Briggs

While this isn’t at powerful or as popular as the Generac and Kohler options, Briggs & Stratton consistently scores high marks with customers for both performance and reliability.

It runs on both propane and natural gas, and it is perfectly safe to power even your most sensitive electronic devices with less than 5% harmonic distortion,

Here is Brigg’s video overview of their smart home generators that explains its prioritization features:

Customers also comment about how quiet the unit is. At least one customer noted that while you can hear the generator when running beside the room they were in, they couldn’t hear it in other parts of the house. If noise is a concern, this generator is definitely worth a look.

Pros

  • Symphony II Power Management orchestrates demand between high-demand appliances (e.g., central air conditioner or an electric oven) with lower-demand items (TV, lights)
  • 5-year comprehensive robust parts labor and travel limited warranty 5-year Warranty
  • Sound dampening technology makes this model 50% quieter than most portable generators.
  • Compliant with the stringent National Fire Protection Agency 37 standard, so can installer closer to your home.
  • Ability to support two air conditioning units up to the size of 5-tons

Cons

  • Not really a con as this goes for all of these generators: since there is about a one minute delay before power-up, it is recommended that you purchase UPS devices for computers and electronics that hold data. This will ensure these devices continue to hum along as the generator powers up.
  • It is possible to purchase this without a transfer switch, which you need to hook into your circuit board.  Just make sure you choose the right sized transfer switch for your mains and you should be good to go.

⚡You can read other customer reviews and check the price on Amazon here.

⚡Briggs and Stratton have a pretty solid presence on Amazon. You can see additional B&S generators here.


Champion Power Equipment 100294 Home Standby Generator

Last but not least in my review of  Generac vs Kohler vs Champion vs Briggs is the Power Equipment 100294 Home Standby Generator from Champion.  This little 14kW powerhouse is another fan favorite.  Customer rave about how well this does with major appliances.  It’s not as powerful as the other generators listed here sure but itf you just want to make sure you cover the essentials during a power failure this is a good way to go.

Here is a great video overview of the Champion 14kW generator from its manufacturer:

This ATS can back up your home’s entire 200 Amp distribution panel with the ability to manage up to 8 high demand appliances for your Whole House power needs. This 14-kW-rated unit produces 58.3 amps at 240 volts on propane and 52.1 amps at 240 volts on natural gas.

Pros

  • Can operate in temperatures ranging from -22 Degree F to 104 Degree F
  • Onboard battery charger maintains its own charge
  • A steel enclosure protects your generator from the elements.
  • Connects to your propane or natural gas fuel supply, so it never needs refueling
  • Performs weekly self-diagnostic tests
  • The sound-dampening lining and low-tone muffler baffle system
  • The alternator produces less than 5% total harmonic distortion (THD) to ensure safe use with even the most sensitive electronics.
  • 10-year limited warranty and free lifetime technical support

Cons

  • This unit and its size is designed for smaller homes without a lot of high demand like electric heat and central air.
  • This 14,000 watt Champion will put out a max of 58 Amps. For higher demand check out the 17,000-amp model.

⚡You can read what customers have to say about this Generator and check the price on Amazon here.

⚡And here are some additional Champion home standby power generators (links over to Amazon).


Detailed Specifications: Generac vs Kohler vs Champion vs Briggs & Stratton

The following table contains additional specifications for all four home standby power generators.

You can enter a term in the Search field to filter the table by that term.  For example, entering ‘warranty’ will show just the data for that row. Try it, it’s fun! 🙂

Amazon Product TitleGenerac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, AluminumKohler 20RESCL-100LC16 Air-Cooled Standby Generator with 100 Amp Transfer Switch Single Phase, 20,000-WattBriggs & Stratton Power Products 40555 17kW Standby Generator with 200 Amp Transfer SwitchChampion Power Equipment 100294 Home Standby Generator
Product Image
Rated Power Liquid Propane (kW)22kW Propane 19.5kW gas20kW17kW propane, 15kW gas14kW
Power SourceNatural Gas or Liquid PropanePropaneNatural gas or liquid propanePropane or Natural Gas
Voltage 240200160120 volts
Engineg-forceKohler Command PROSymphony IIChampion
Enclosure MaterialAluminumCompositeSteelComposite
Auto Starts at Power Loss YesYes, 10 secondsYes, with transfer switchYes
CoverageEssential circuits or whole house coverageWhole houseWhole house /essential appliancesWhole house/ essential appliances
CoolingAir CooledAir CooledTBPTBP
Wi-Fi Enabled / Mobile App YesNoNoNo
Dimensions (L x W x H inches)48 x 25 x 29 in48 x 26.2 x 29 in50.5 x 32.9 x 31 in50 x 30.1 x 40.2 in
Weight526 lbs560 lbs484 lbs494 lbs
Transfer SwitchYesYes, 100 and 200 amp modelsChoose from 200, 150, and 100 amp models Yes
BatteryGroup 26R, 12V, 540 CCA batteryGroup 51Onboard battery chargerOnboard battery charger
InstallationAuthorized Generac installer recommendedLicensed electrician [and plumber if needed to run gas]Licensed electrician [and plumber if needed to run gas]Licensed electrician [and plumber if needed to run gas]
Sound Output (Noise) Features Generac does not publish decibel levels for portable generators64-69 dBASound dampening technologyNoise reduction baffle system
Safe for sensitive electronicsYesYes, +/-1% voltage regulation and less than 5% harmonic distortionYesYes, less than 5% total harmonic distortion (THD)
Warranty5-year limited5-year limited5-year limited10-year Limited

Generac vs Kohler vs Champion vs Briggs – Your Turn

I sincerely hope you enjoyed reading my review comparing Generac vs Kohler vs Champion vs Briggs home standby power generators.

What part of the world do you live in? Is your city or town prone to recent power outages?  Do you plan to purchase one of these products to power your smart home?

Are the “smart” wifi features and mobile app an important consideration in your decision?  Or are they more of a nice to have?

My inquiring mind wants to know!  Could you please send me a message using the comment form below and let me know?  I hope to hear from you soon.


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About the Author

Generac vs Kohler vs Champion vs BriggsTim Brennan is Founder and CEO of Writeinteractive, Inc., a professional services firm that helps companies solve technical content challenges.  He is also an owner of a smart home technology blog oneSmartcrib.com and a regular contributor to UniversalRemoteReviews.com. UniversalRemoteReviews.com is a website that specializes in reviewing smart remote controls and related technologies. Brennan is a father to two sons, and he manages the day-to-day operations of Writeinteractive. He is also an active blogger, a Star Wars nut, and a huge proponent of the Oxford comma. Tim holds a B.A. in Journalism from Northeastern University.  For more than 25 years, he has worked as a technical writer and senior technical writer for organizations in and around Boston. These include General Electric, Massachusetts Institute of Technology, Blue Cross Blue Shield, Liberty Mutual, and Biogen.

Featured Image Credit: Generac.com

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