Model # 6250

Internet #204007488

Store SO SKU #1000032997

Generac 20,000-Watt Air Cooled Automatic Standby Generator-DISCONTINUED
0696471062502

Discontinued Generac

20,000-Watt Air Cooled Automatic Standby Generator-DISCONTINUED

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Product Overview

Choose the #1 Selling Home Standby Generator Brand. Generac’s 20kW Guardian Series provides the automatic backup power you need to protect your home and family during a power outage. Connected to your existing LP or natural gas fuel supply, it kicks in within seconds of determining power loss - automatically - and runs for as long as necessary until utility power returns. Control your power. Control your life.

  • Tool-less fuel conversion allows for easy switching between natural gas and LP fuels in the field
  • System Includes: 20kW generator, evolution controller, and composite mounting pad, mobile link and 26R battery purchased separately
  • 24/7 Generac customer care support 365 days a year, power outages do not always occur during normal working hours
  • Generac’s OHVI engine is purpose-built to run dependably for extended periods, delivering power when you need it most
  • Generac’s evolution controller features a dual-line, multilingual LCD display allowing for easy monitoring and management of generator functions, built-in hour meter and external “at-a-glance” indicator lights
  • Certified for 18 in. installation to the home (3rd party-certified to NFPA standards provided it is located away from doors, windows and fresh air intakes and unless otherwise directed by local codes)
  • Easy installation with re-engineered connection points, and composite mounting pad that eliminates the need for a poured concrete base (unless specified by local codes) get it installed 800-557-5221
  • Rated for operation in areas with low natural gas pressure, significantly lower than published numbers for competitive standby systems (Generac is the only manufacturer to certify operation on only 3.5 in. of water column)
  • Sturdy, all-weather aluminum enclosure with rhino coat finish for superior corrosion-resistant protection from the elements, making it ideal for coastal, salt-air climates and able to withstand 150 MPH winds
  • Quiet-test weekly self-test mode runs at a lower RPM, is quieter and consumes less fuel, sound-dampening enclosures are lined with foam panels for further noise reduction
  • DPM technology intelligently manages household loads for a more affordable standby solution
  • True power technology provides clean, smooth operation of sensitive electronics and appliances
  • Mobile link compatible - wireless remote monitoring system, receive status updates using your computer, tablet or smart phone - giving you peace of mind, even when you’re away (purchased separately)
  • Generac promise - engineered and built in the USA supported by a 5 year limited warranty and 24/7 customer care support 365 days a year

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Name 10,000-Watt Air Cooled Home Generator System with Symphony II Whole House 200-Amp Automatic Transfer Switch 20,000-Watt Air Cooled Automatic Standby Generator-DISCONTINUED 15,000-Watt Air-Cooled EcoGen Standby Generator, Aluminum Enclosure 20,000-Watt Air Cooled Standby Generator with 200 Amp Service Entrance Rated Automatic Transfer Switch and Load Shedding
Brand GE Generac Generac KOHLER
Ratings (21) (92) (0) (24)
Continuous Wattage 10000 20000 15000 20000
Standby Generator Fuel Type Liquid Propane Or Natural Gas Liquid Propane Or Natural Gas Liquid Propane Or Natural Gas Liquid Propane Or Natural Gas
Automatic Transfer Switch Included Yes No No Yes
Generator Features Hour Meter,Low Oil Shutdown,Overload Protection Hour Meter,Low Oil Shutdown,Overload Protection Auto Idle Control Hour Meter,Low Oil Shutdown,Overload Protection
Cooling Type Air Cooled Air Cooled Air Cooled Air Cooled
Commercial / Residential Residential Residential Residential Residential
Engine Make OEM Branded OEM Branded OEM Branded Kohler
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Customer Questions & Answers

Does HD Install these standby generators? Approx. Basic install cost?

Asked by: Anonymous
You will have to contact your local electrician for an install estimate.
Answered by: CommunityAnswer
Date published: 2015-09-20

What is the fuel consumption of this unit at 50%, 75%, and 100% load operating on both natural and propane?

Are output curves available for this unit that show partial load fuel consumption and the effect of ambient conditions on power output (outside temperature, altitude of location, humidity effects)?
Asked by: Genexer
The fuel consumption is 206 Cubic Feet per Hour at 1/2 load on Natural Gas. It is 294 CFH at Full Load on Natural Gas. It is 1.89 Gallons Per Hour at 1/2 load on Liquid Propane. It is 2.9 Gallons Per Hour at Full Load on Liquid Propane. The altitude and temperature affect the fuel which in turn affect the operation of the generator. Depending on conditions there are optional devices which can correct these effects on the fuel. ( "Depending on conditions" means that there is a limit to the range of these options. ) You should talk to a consultant familiar with the area in which you live. This information is in the owners manual under "SPECIFICATIONS" for both the "GENERATOR" and the "ENGINE". See the notes at the bottom of the table. You can normally find an owners manual in PDF format in the listing. If not, I know they have them at the generac web site. Hope this helps.
Answered by: Snowman
Date published: 2015-09-20

what is the total cost of the generator with transfer switch and all components for complete installation?

Asked by: Anonymous
I NEED THE COST AND ITEM #'S OF THE TRANSFER SWITCH AND THE BATTER FOR MODEL#6250 GENERAC GENERATOR
Answered by: Anonymous
Date published: 2015-11-05

Does the Generac model 6250 contain all components necessary to install the generator?

Asked by: Anonymous
No, it's the generator only. You would need: an Automatic Transfer Switch, Power wiring, Control wiring, wireways for the wiring, a 26R 12 VDC battery, a ground rod, an acorn clamp sized correctly for your ground rod & ground conductor and a length of ground conductor. You should talk to a Home Depot Consultant. Hope this helps.
Answered by: Snowman
Date published: 2015-09-20
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Customer Reviews

20,000-Watt Air Cooled Automatic Standby Generator-DISCONTINUED is rated 4.9 out of 5 by 92.
Rated 5 out of 5 by from Good unit easy to install The unit is easy to install and works great. Remember you need to purchase a battery it is not included. For contractors such as myself it adds to the materials cost.
Date published: 2017-02-02
Rated 4 out of 5 by from 10 year parts and labor warranty I never received confirmation of my 10 year parts and labor warranty that was supposed to be provided
Date published: 2017-02-10
Rated 5 out of 5 by from It's ready 24/7 It is handy for myself. But it is for my wife when i''m not around.
Date published: 2017-01-27
Rated 5 out of 5 by from Works as it should The Generac 20kw standby generator is a workhorse. I live in the Sierra Nevada mountains in California and we are having the wettest winter in 20 years. While that is great for the California drought, it has played havoc with utility power. My generator has provided power seamlessly a number of times this winter. It is very quiet. It is also very efficient, uses maybe 2 gallons of propane an hour based on the latest propane tank fill up. My generator is hooked up to a dedicated 250 gallon propane tank so it is easy to regulate the use. Best investment I've made for peace of mind, safety and convenience.
Date published: 2017-01-25
Rated 5 out of 5 by from Sturdy. Dependable. Peace of Mind... I bought the generator because during the winter we've had outages in the area up to three weeks. The generator was installed two years ago, and we've had outages six times. The longest was only five hours, so it hasn't gotten much use so far. But the generator turned on quickly and automatically as soon as the electricity failed. Absolutely amazing! The only thing I would change about it would be to reduce the noise level if possible. Other than that, the unit itself is quite nice looking, very sturdy with sleek lines and glossy paint. I'm so pleased with the purchase, being able to enter winter with a more relaxed attitude knowing I have a generator to save the day(s) when the power grid is down.
Date published: 2017-01-25
Rated 5 out of 5 by from Awesome This is our 2nd whole home generator, we had one at our previous home, and when we bought our current home, it didn't have one. We didn't choose Generac, our contractor did. The first thing I noticed was the appearance, much cleaner, and sleeker than I expected. The second thing I noticed during the test cycles, is how quiet it was, and it is closer to our living space than the old one! We lost power about 4 months after install, it came on perfectly, but then "partial" power was restored, enough to deactivate the generator, but not enough to power everything in the house. Fortunately, it is possible to manually disconnect from the incoming power and run only on the generator in that situation. We are very satisfied with our Generac generator!!!
Date published: 2017-01-25
Rated 4 out of 5 by from Does the job! Bought a 20KVA stand by generator to power my whole house and garage. We live in an area that experiences frequent power outages... and it is also in a snow belt so even with a gas furnace, no power means no heat. Have had the generator for about 9 months and it just - Does the job. It is reasonably quiet, starts up quickly and it protects our house from the risk of cold damage (think frozen pipes) due to extended power outages (I've experienced 8-10hr power outages and locals tell me that they've seen 3+ day power outages). Would love to see a wifi hookup that would give me stats on my generator such as - current power state, hours of operation, alerts for next scheduled maintenance, alerts for any (potential) problems. Otherwise, would buy it again.
Date published: 2017-01-25
Rated 3 out of 5 by from I have installed several of these The generator was just like the other generators that I have installed, this one did have a problem. The control unit on the generator never functioned correctly. It would read that there was a voltage problem and never signal the automatic transfer switch to transfer to generator power when power was lost. When power was restored it would kick the transfer switch back to normal power. The warranty was used to cover the replacement of the control panel and now it is up and running. Other than that one issue, all is good.
Date published: 2017-01-25
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