Top 10 Best 20kw Home Generator – To Buy Online

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Our team studied on 41525 reviews available online for 20kw Home Generator, chose the finest ones and prepared 20kw Home Generator Reviews for you. It was very difficult to shortlist the ideal 20kw Home Generator from thousands of products online. However, We tried to make sure that you get only the Best 20kw Home Generator from our suggestions. Check our listings-:

Best 20kw Home Generator
NoProductScoreAction
1WEN DF1100T 11, 000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start - CARB Compliant9.8Buy On Amazon
2DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up & RV Ready9.4Buy On Amazon
3Generac 6485 Scheduled Maintenance Kit for 20kW and 22kW Standby Generators with 999cc Engine9.4Buy On Amazon
4Generac 7676 GP8000E Portable Generator9.4Buy On Amazon
5Champion 8.5-kW Home Standby Generator with 50-Amp Outdoor-Rated Automatic Transfer Switch9.2Buy On Amazon
6Westinghouse Outdoor Power Equipment WGen9500DF Dual Fuel Portable Generator-9500 Rated 12500 Peak Watts Gas or Propane Powered-Electric Start-Transfer Switch & RV Ready9.2Buy On Amazon
7Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch9Buy On Amazon
8Champion Power Equipment 100111 159Buy On Amazon
9Kohler GM62347 Maintenance Kit for 17/18/20 kW Residential Generators8.4Buy On Amazon
10Generac 7043 Home Standby Generator 22kW/19.5kW Air Cooled with Whole House 200 Amp Transfer Switch8.2Buy On Amazon

Table Of Content:

1. WEN DF1100T 11

  • Switch between gasoline (11,000 surge watts, 8,300 running watt) and propane (9,500 surge, 7,500 running) with the simple turn of the selection dial.
  • Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup
  • Electric start powers the 457cc 4-stroke OHV engine with the turn of a key
  • 6.6-gallon tank provides up to 8.5 hours of half load run time
  • Includes four 120V GFCI outlets (5-20R), a 120V 30A twist lock outlet (L5-30R), a 120V/240V 50A outlet (NEMA 14-50R), a 12V DC cigarette-lighter-style plug, a bottle of oil, a 47-inch LPG connection hose, and a two-year warranty.

2. DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up & RV Ready

  • Powerful DuroMax Engine: the XP12000EH is powered by a DuroMax, 457cc OHV engine.
  • Dual fuel technology: the ability to run on propane or gasoline allows the freedom and flexibility of fuel choice.
  • Plenty of power: with 12,000 starting watts and 9, 500 running watts, This unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools.
  • Maximum power: with DuroMax MX2 technology, get the maximum power from each of the 120 volt receptacle.
  • Powering everyone anywhere: like all DuroMax generators, the XP12000EH is EPA and CARB approved For use in all 50 States.
  • Engine Type: 4-Stroke

3. Generac 6485 Scheduled Maintenance Kit for 20kW and 22kW Standby Generators with 999cc Engine

  • Scheduled maintenance kit is for standby home generators
  • For use with the 20kW and 22kW air cooled standby generators from 2013 or later (999cc engine)
  • Maintenance is recommended every 200-hours or 2-years
  • Includes a pre-cleaner, air filter, oil filter, oil funnel, (2) spark plugs, blue cloth, instruction manual and maintenance sticker.
  • Oil must be purchased separately

4. Generac 7676 GP8000E Portable Generator

  • Featuring power Rush advanced technology – delivers over 30% more starting capacity allowing you to do more with less.
  • Dimensions: 27.2″ W x 27″ D x 26.5 H | Weight: 198 lb
  • 10000 Starting Watts. 8000 Running Watts
  • Electric start Model for easy operation (Battery included)
  • Generac durable OHV engine with splash lubrication provides a long engine life
  • Large-capacity steel fuel tank with incorporated fuel gauge provides durability and up to an 11 hour run-time at 50% load.

5. Champion 8.5-kW Home Standby Generator with 50-Amp Outdoor-Rated Automatic Transfer Switch

  • Totally Automatic – The ATS50 Emergency Essentials Automatic Transfer Switch has 8 available circuits and provides seamless power to your home during an outage.
  • Quietest-in-Class – Thanks to advanced sound dampening and a specially designed low-tone muffler, this generator operates at a residential-friendly 59.
  • Reliable – 24-volt starting system operates in sub-zero or extreme heat (between -22° F and 104° F) with no warming kit necessary, plus the generator performs weekly self-diagnostic tests.
  • Powerful – The 8.
  • Champion Support – Includes 10-year limited warranty with FREE lifetime technical support from dedicated experts.

6. Westinghouse Outdoor Power Equipment WGen9500DF Dual Fuel Portable Generator-9500 Rated 12500 Peak Watts Gas or Propane Powered-Electric Start-Transfer Switch & RV Ready

  • 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6.
  • Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety.
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter.
  • Plug-and-Play: Comes With a Propane Regulator, Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, Heat Resistant Plastic Wheels with Never-Flat Polyurethane Tires, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required).

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

  • Up to whole house protection with the 200 Amp, NEMA 3R (aluminum outdoor enclosure) smart switch
  • Smart, User-friendly controls; Generac evolution controller features a multilingual LCD display that allows you to Monitor Battery status and track maintenance intervals to ensure your generator is always in top operating condition.
  • 240 volts supply
  • Receive real time status updates

8. Champion Power Equipment 100111 15

  • Ultra-Powerful – At 15,000 starting watts and 12,000 running watts, enjoy up to 9 hours of run time on a full tank of gasoline with a noise level of 78 dBA from 23 feet.
  • Electric Start – Trust the reliable 717cc V-Twin Champion engine with its battery-included electric start featuring a reliable toggle switch, plus built-in Cold Start Technology for easy starts in cold weather.
  • Covered Outlets – One 120V 30A locking, a 120/240V 30A locking, a 120/240V 50A and four 120V 20A GFCI outlets, plus Volt Guard built-in surge protector prevents overloads and keeps your appliances and equipment safe.
  • Lift Hook – Designed for safe and easy transport, loading and unloading, plus the Intelligauge keeps track of voltage, hertz and run-time hours so you can easily monitor power output and track maintenance intervals.
  • Champion Support – includes 3-year limited warranty with FREE lifetime technical support from dedicated experts.

9. Kohler GM62347 Maintenance Kit for 17/18/20 kW Residential Generators

  • 1 Air filter
  • 1 Pre-cleaner
  • 1 Oil filter
  • 3 Quarts of synthetic oil
  • 2 Spark plugs

10. Generac 7043 Home Standby Generator 22kW/19.5kW Air Cooled with Whole House 200 Amp Transfer Switch

  • True power technology delivers best-in class power quality (less than 5% thd) for Smooth operation of sensitive electronics and appliances.
  • Includes a 200 amp NEMA 3 (indoor/ outdoor rated) whole house Smart transfer switch
  • Generac evolution controller features LED indicators for generator status, utility power presence or maintenance required.
  • Tough, durable all-weather aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance.
  • Battery not included. Generac Battery 7043 5819 Sold Separately.

How To Choose The Best 20kw Home Generator

Does the thought of finding a great 20kw Home Generator stress you out? Has your mind been juggling between choices when it comes to buying 20kw Home Generator in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect 20kw Home Generator for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about 20kw Home Generator. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best 20kw Home Generator in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best 20kw Home Generator currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top 20kw Home Generator brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top 20kw Home Generator based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the 20kw Home Generator before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the 20kw Home Generator they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good 20kw Home Generator, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your 20kw Home Generator before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable 20kw Home Generator will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good 20kw Home Generator if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated 20kw Home Generator on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our 20kw Home Generator on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any 20kw Home Generator featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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