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Best Gas Powered Generator In 2018 ( Reviews and Analysis By Expert )

When you want the highest available power output and don’t mind a bit of noise along with it, you want a high quality gas powered generator. There are tons to choose from and many different name brands in the marketplace, but thanks to the reviews, you won’t have to get stuck with a “lemon”.

A best gas powered generator can range anywhere from 5,000-20,000 watts or more! This is way more wattage than you’ll be able to get from a portable inverter generator. However, remember that gas powered generators with large engines will produce a substantial amount of noise when operating. This is to be expected. So if you need a low noise alternative, consider the portable inverter generators. They may not be as powerful, but they’re much quieter.

You should only be looking for the best of the best when it comes to the safety and well being of your family. In the event that a storm or other catastrophic event knocks out the power for a considerable amount of time, you want to make sure that you’ve chosen a generator of the highest quality.

That way, when natures push comes to shove and your “back is against the wall”, you’ll be safe and sound with your gas powered generator to save you.

Check out these three incredible products we’ve picked! They have fantastic review scores and are the best Amazon has to offer.


Best Gas Powered Generator Reviews 2018


Generac Guardian Series 5875 20,000 Watt Air-Cooled Liquid Propane/Natural Gas Powered Standby Generator Review

Natural Gas Powered Standby Generator

This is one of the biggest and most capable generators on the market. If you want whole house functionality, and the ability to power everything in it, then you should seriously consider the Generac Guardian Series 5875 20,000 Watt Air Cooled Liquid Propane Natural Gas Powered Standby Generator.

Because it runs on liquid propane or natural gas, there’s no need to constantly be refueling. And, it also doesn’t require manual starting! The unit kicks on and off by itself, right when you need it to!

The True Power Technology makes it safe for all your most sensitive electronics. And, to keep the unit in perfect running condition, it features a Quiet Test low speed exercise mode. The 200 watt automatic transfer switch is ready to power your entire home in the event that you lose power. 20,000 watts of total power output is enough to power everything a home can have in it.

The Amazon review score shows a solid 4 out of 5 stars, which is pretty impressive.


Product Features:

  • 20,000 Watts Of Total Power Output
  • Liquid Propane/Natural Gas
  • 200 Watt Automatic Transfer Switch
  • Air Cooled
  • CARB Compliant
  • 3 Year Warranty


Final Analysis:




  • After 50 hours of non-stop running during a Chicago power outage, customer reports no problems at all!
  • Hurricane Sandy just hit the East Coast, and this generator has already saved many lives
  • Comes setup for you with all the correct wires in place
  • Automatic on and automatic off feature makes this generator truly hands free!
  • The directions on how to use this generator are perfect
  • Runs quiet, you probably won’t even hear it inside your house
  • Looks very appealing when installed, doesn’t create an eyesore
  • Out of 153 reviews at the Generac website, this unit scored 4.8 out of 5 stars! Amazing!




  • Some reports of bad tech support
  • Sporadic reports of units having to have maintenance done


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Westinghouse WH7000E 8,500 Watt 420cc Gas Powered Portable Generator Review

Gas Powered Portable Generator

Westinghouse makes excellent products. You can tell from the Amazon review score on this generator that it’s genuinely worth considering. 5 out of 5 stars is the best you can possibly do on Amazon, and we know you’re excited to hear what others have reported about it.

First, let’s take a closer look at the Westinghouse WH7000E 8.500 Watt 420cc Gas Powered Portable Generator With Electric Start and what it offers.

It provides a total of 7,000 continuous watts of output, so you’ll be able to power all the necessities. Fridge, freezer, central heating or air conditioning, all your lights, and more. The one touch electric start system ensures more reliable starting, and the overhead valve engine is built to last through many years of use.

The all steel control panel has a full enclosure built around it, which keeps it protected from the elements. It also comes with 240 volt circuit breaker protection that keeps it safe from overloads.

The included wheels allow you to easily roll the generator pretty much anywhere, and the 12 Ahr battery that comes with it is maintenance free. According to the Amazon reviews, people really love this generator. It’s truly a top quality product. Here’s a rundown of the features:


Product Features:

  • 4-Stroke 420cc Overhead Valve Engine
  • 7,000 Watts Of Continuous Output
  • All Steel Control Panel With All Weather Enclosure
  • Electric Start
  • Low Oil Shutdown Feature
  • 240 Volt Circuit Breaker
  • Never-Flat Tires
  • Dual Folding Handles
  • 3 Year Warranty


Final Analysis:



  • Heavy duty, fires up right away, and a great deal for the price
  • Great for places that continually lose power on a frequent basis
  • Comes very well packaged and ships fast from Amazon
  • Push button start works wonderfully for older folks
  • Will run a ton of household items easily
  • Best value in its class and more than enough power for most outages
  • Can handle spikes of up to 8.500 watts with no problems
  • Rolls on virtually any surface with the never flat tires




  • Doesn’t come with a wattage meter
  • Some people may need the extra power of an even larger generator


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Briggs & Stratton 30469 7,500 Watt 342cc Gas Powered Portable Generator Review

Gas Powered Portable Generator Review

Briggs and Stratton has been a household name for over 100 years, providing mainstream people with quality engine products they can depend on. The 342cc Briggs and Stratton 30469 7.500 Watt Gas Generator may be exactly what you need for a reliable source of power you can count on, especially during periods of long lasting power outages.

With 7,500 watts of peak power, you’ll be able to power most all of the most needed appliances in your house. It’s also rated for 6,000 continuous watts. With this portable generator, you get 12 hours of run time at half load speed, allowing you to use it for longer periods without refueling.

We picked this portable gas powered generator to list because it scored so well in the reviews, 3.9 out of 5 stars, and we already know that Briggs and Stratton makes equipment that’s a great deal for the money and excellent quality.


Product Features:


  • 342cc Engine
  • 7,500 Watts Of Peak Power – 6,000 Watts Continuous
  • Super Lo-Tone Muffler
  • 10 Inch Flat-Free Tires
  • 2 Year Warranty


Final Analysis:




  • Great for locations with intense storms and frequent power outages
  • You won’t find portable gas generators with wattages as high as this one at Lowes or Home Depot. Shop Amazon!
  • Ships fast from Amazon and provides years of trouble free use
  • Out of the box, there are only a few main parts to assemble
  • Helpful Tips: Change the oil after the first five hours of run time – Don’t forget to fill the unit with oil after receiving it from the factory
  • Sturdy frame and the parts on it are well labeled
  • Runs 4,500 watt water heaters with no problem
  • This model is higher quality, delivers more power, and is cheaper than the portable gas generators you find in retail stores




  • Pick up and delivery from an authorized dealer is not covered under warranty


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