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Customer reviews for 10,000/8,000- Watt Generac Gas-Powered Portable Generator With CO Sensor + Electric Start / 25ft Extension Cord for
10,000/8,000- Watt Generac Gas-Powered Portable Generator With CO Sensor + Electric Start / 25ft Extension Cord
4.6 out of 5 stars
stars
1,862 ratings1,804 reviews
  1. 5 stars78% (1,454)
  2. 4 stars14% (269)
  3. 3 stars3% (48)
  4. 2 stars1% (24)
  5. 1 star4% (67)
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Showing 851-860 of 1,804 reviews
Jun 6, 2018
Reviewer name: MOON
5 out of 5 stars
5 out of 5 stars review

great machine

This is a great machine. I purchased it to run my whole house in the event I need it. It is portable and large and heavy. I bought a small trailer to mount the generator onto for easily moving around, hook it to my truck or ATV. Trailer has room for the big power cord and other extension cords. I purchase a bigger interstate battery to start it. I also use the battery for other things.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Jan 5, 2021
Reviewer name: Beach8121
4 out of 5 stars
4 out of 5 stars review

Great Generator

This is a great unit. I live in a colder climate in a home with base board electric heat. The unit handles the house load well. I had no problem with the 2 ton heat pump/air conditioner. Assembly was easy enough, but instructions on wheel assembly could be improved with larger diagram. This unit is heavy. The pneumatic tires are good. the only negative is the wheels should be bearings instead of bushings. This could make the unit a little easier to move around. Unit is a little loud, but that can be expected with a 30HP engine. A second muffler attachment could help if it didn't place to much back pressure on the engine.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Apr 19, 2025
Reviewer name: Anonymous
5 out of 5 stars
5 out of 5 stars review

Generator

[This review was collected as part of a promotion.] I'm super happy with this generator. It's very easy portability wise to move around if needed as it's on wheels. Maintenance is easy, so that's a plus. When the power goes out, this will help light up the whole house. Noise level is hardly none.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Dec 10, 2018
Reviewer name: Mark601
5 out of 5 stars
5 out of 5 stars review

big & beautiful brute

took about 6 weeks to deliver but it arrived this past Friday on a wooden pallet. the parts were nicely boxed separately and within an hour the wheels and handle were installed and oil filled. Pulled the choke and it started on the second try. i haven't connected to the house but my initial impression is if it runs as well as it's put together and shipped then i will be very happy with this purchase. Definitely pay the extra for drop gate shipping to your house but don't be intimidated by the weight; assembly is an easy one man job. I did buy 3rd party collapsible handles and a trickle charger but everything else is complete and fully accessible (oil dip stick, filter & drain line, air filter, battery, etc). even included extra spark plugs, air and oil filters leaving no excuse to not properly maintain.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Feb 28, 2014
Reviewer name: Chris
5 out of 5 stars
5 out of 5 stars review

Outstanding Generator

I'm a generator mechanic by trade (military) and I know quality when I see it. I am very impressed with the attention to detail. From the oil drain line to the control panel battery charger to the extra large fuel tank. Every aspect of this generator is excellent, to include all the parts needed to perform the first scheduled oil change and maintenance. In that kit was also a funnel, towel, spark plugs, oil, oil filter, air filter, foam pre-filter, etc. The frame is extra heavy duty and looks as though it would take the worst of abuse. Some other noted features: spin-on oil filter, idle control switch, fuse protected control panel, a wide variety of fuse protected power outlets, extra large muffler, electric start, never-flat tires, and an incorporated lifting eye. The instructions were easy to read and initial setup took only 20 mins or so. After hooking up the battery (came 100% charged) and filling with oil, one short push of the start switch and it was up and running. Smooth idle and steady clean power top it all off. This is an outstanding generator and I can tell that people (engineers, designers, etc) put a lot of thought into its design. I definitely recommend this generator to anyone looking for reliable backup power and/or portable power.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Nov 22, 2011
Reviewer name: franksam
5 out of 5 stars
5 out of 5 stars review

Outstanding generator and easy to use

After several power outages (ice, wind storms, etc.), I bought this generator after the recommendation of an electrician friend. He has one for his home, and he definitely made a great recommendation. While I was out of town one evening, all the power went out in the neighborhood. My 16-year old daughter was able to pull the generator out of the garage, run extension cords, and connect the refrigerator and two freezers. She had help from a friend, only because she had never used it before. We didn't lose any frozen or refrigerated items. Highly recommend this generator for home use!!!

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Apr 30, 2023
Reviewer name: Drawde94
5 out of 5 stars
5 out of 5 stars review

It powered the home for 7 1/2 Days

I bought this generator to power the home during those temporary power outages due to thunder storms. Then Hurricane IAN devastated our part of SW Florida. It was September 30, and I couldn't even go outside to set up and start the generator until 11 PM, when the winds dropped to 50 MPH. I bought the General GP-17500 to make sure, "IF", I ever ran the generator for a couple of days, it would have power capacity to spare. This generator powered the entire home for 7 1/2 days. I shut it down during the afternoon to cool it off, check the oil, and fuel it up for the overnight operation. And yes, I changed the oil and oil filter two times within the 7 1/2 days. Me being me, I even placed/positioned two floor fans to move air across the unit to ensure full cooling of the engine and generator. Like in tornado areas, once IAN caused its damage, the weather in SWFL was incredibility perfect. Low humidity, Low Dew-point, cooler than normal hovering around 75 all day, and cooler at night, for the next 12 days. I had wired this generator to back feed the electrical panel though a mechanical interlock and a 50 amp breaker. The main breaker must be moved to the off position, then the mechanical interlock plate is moved up, allowing the 50 amp breaker to be turned on. And when we needed hot water, we would turn off the home AC, then switch on the electric hot water heater for about 45 minutes, then the hot water heater was switched off again. We did not want to test the full power capacity of the generator, but it powered the two home AC units, the well pump, and when needed, the clothes washer and electric clothes dryer. Here too, we always powered down other high current devices like the AC units, and hot water heater, when washing and drying our clothes. For a "portable generator" bought to power the home for a few hours when a thunderstorm and winds temporarily knocked out the local power company feed, this generator performed well beyond expectations. Our next purchase will be a Generac backup Home standby generator. We now want this style unit so when there is a power disruption, the generator will taker over automatically, and I don't need to send my wife outside with the flashlight, instructions on how to position, connect and start up this unit. (Yea, listen to my big talk here. I do all of this, moving, connection and starting, but now see the wisdom of a built in home standby generator, since we recently moved to SW Florida I will start by getting a propane tank sunk into the ground, our HOA rules require this, and once in, we'll order the Generac unit with transfer switch. And "NO" we will keep the portable generator for a bit as a portable back-up generator to next to be installed backup home generator. I figured it was time to give feedback to those still on the fence.

Review from generac.com
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Oct 31, 2018
Reviewer name: GinnyW
5 out of 5 stars
5 out of 5 stars review

Excellent quality product with a great reputation

After 5-6 months or research, I selected the GeneracGP8000E for a whole home emergency backup system, had it installed and am very pleased with this purchase. It is easy to start and maintain, and surprisingly easy to move around given its weight. It's noise level when running is satisfactory and I am looking forward to a worry free winter.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433
Mar 13, 2012
Reviewer name: papacheese
5 out of 5 stars
5 out of 5 stars review

GREAT GENERATOR--EXCEEDED MY EXPECTATIONS!

Assembly took less than 30-minutes and it started effortlessly right out of the box. A “field test” of the new generator was conducted two days later. After a two hour test run, with all the transfer panel breakers turned on, and nearly every component of a “normal load” placed on the generator--from the well pump to the dishwasher, and from the furnace to the refrigerator & water heater--the GP7500E generator handled the load effortlessly. However, I've recently discovered one issue that remains distressing. In the owner's manual, Generac DOES NOT recommend running the generator in rain or snow. This is equivalent to a "Catch 22" in back-up, emergency power! After all, inclement weather--blizzards, hurricanes, tornados, ice storms, etc--are the causes of power outages in the first place creating the need for back-up generators! So the food in your refrigerator must spoil because it's raining outside? Really?

Review from generac.com
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Sep 24, 2018
Reviewer name: SusanM
5 out of 5 stars
5 out of 5 stars review

Generac GP3600

[This review was collected as part of a promotion.] This comes packaged nicely. All the parts for the handle and wheels comes packaged in a separate box inside the larger box, it even comes with a bottle of oil and funnel. The instructions are easy to understand and follow. It took about 45 minutes to attach the wheels and handle and fill with oil and gas. It wheels in and out of the garage so easily and the handle folds down to save space while in the garage. It has a pull start and it started on the first pull. While it is running it is just as loud as lawn mower, so it's not overly loud. We hooked it up to a 6 circuit transfer panel. This particular generator is enough for our oil furnace, refrigerator, and a couple lights to run all at the same time. It has an hour meter so you can easily keep track of the hours of use for maintenance purposes. So far, it does what it is suppose to do and I am happy with it.

Review from generac.com
Helpful?5QX50PEVBRFY13572122433