Guardian 11kW

Guardian 11kW

Model #6439

Starting At

$2,509.00 Transfer Switch, Installation, Taxes and Shipping Not Included Add to My Products

Guardian 11 kW Generator Features and Benefits

Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. Has the ability to backup a 3-ton air conditioner, well pump or water heater, and the main rooms of your house.

Guardian 11 kW Generator <strong>Features and Benefits</strong>

Generac OHVI® Engine
Your Guardian Series generator might have to get you through days—or weeks—without utility power. Generac’s OHVI® engine, specifically designed for generator use, provides the reliability to power through the most severe outages.

True Power™ Technology
Best-in-class power quality with less than 5% total harmonic distortion means clean, smooth operation of your sensitive electronics and appliances.

Evolution™ Controller
The next generation of intuitive controllers featuring a multilingual, two-line LCD text display with color-coded, backlit buttons.

Certified for 18" Installation to the Home
Third-party certified to NFPA standards to be installed as close as 18” from the home’s exterior wall, provided it is located away from doors, windows, and fresh-air intakes, and unless otherwise directed by local codes.

Easy Installation
When combined with a pre-wired transfer switch or Smart Switch, re-engineered connection points, and composite mounting pad that eliminates the need for a poured concrete base (unless specified by local codes), the Guardian Series 11 kW generator is easy to install.

Rated for Operation in Areas with Low Natural Gas Pressure
In areas with low natural gas pressure, the Guardian Series 11 kW generator can operate on natural gas pressures of only 3.5” of water column.


All-Weather Steel Enclosure
Our durable powder-coat finish helps make the sturdy, Galvanneal steel enclosure perfect for all weather confitions. It’s also able to withstand 150 mph winds. Optional aluminum available, recommended for salt-air locations.

Tool-less Fuel Conversion
Switch between natural gas and LP fuel in the field in a few seconds, without the need for any tools.

Quick, Quiet Exercise Test
Standby generators require a short run-time periodically, known as exercise, to test and ensure the system is functioning properly and ready for an emergency. The Guardian 11 kW self-test runs for only twelve minutes. Choose your schedule - weekly, bi-weekly or monthly.

Mobile Link™ Compatible
Take advantage of Generac’s Mobile Link cellular remote monitoring system and check on your generator’s status using your computer, tablet or smartphone, even when you are away. Sold separately.

Non-cellular remote monitoring options are also available for generator monitoring from inside the home.

24/7/365 Customer Support
Power outages don’t always occur during normal working hours. That’s why Generac’s customer care call center—right here in Wisconsin—provides support any time of day or night, all year long. Generac is standing by 24/7, every minute of every day, to answer your questions.

5-year Limited Warranty

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Rated 5 out of 5 by from Great product I installed it on Friday. Had a 11 hour outage on Saturday. It performed flawlessly! Mine was the only house with power. A great feeling!
Date published: 2016-11-24
Rated 5 out of 5 by from Peace of mind I live in rural Maine and just had Generac 11kw whole house unit installed. I haven't had any outage yet so haven't had to use it yet, but winter is coming and it will be so nice not to worry about losing power. Also, I was very pleased with the low pressure sales process and professional and neat installation.
Date published: 2016-11-22
Rated 5 out of 5 by from So far, so good Just had the 11k generator installed with a new Generac electrical panel. We are in the North West and have a sump pump so having power is a must. I was familiar with the Generac brand from using gas powered generators for construction, powering small cabin etc so I was glad to find in all of my extensive research that Generac was consistently named the top home back up generator brand. I really like the look of the unit as it is unobtrusive, the led cluster lets you know its ready to rock! The extended warranty gives piece of mind. I am excited to loose power and have my house beaming with light while the rest of the block is dark...
Date published: 2016-11-16
Rated 5 out of 5 by from Comfort, peace of mind Just had generac 11kw whole house unit installed. Smooth process. Completed in less than 4 hours. Luckly have not had to use it yet, but just the peace of mind knowing it is ready when needed is great.
Date published: 2016-09-30
Rated 5 out of 5 by from I love that it will come on automatically when power goes out. The people were wonderful. They answered all my questions, if I didn't understand, they went into depth what my generator will do.They kept my house & outdoor area clean. They said it w/b a full day to install, it was & all areas outside & inside were cleaned before leaving. I can'tell say enough how great full I am. I bought it for safety & security. Thank goodness I haven't had to use it yet.
Date published: 2016-07-14
Rated 5 out of 5 by from Outage Insurance We live in a rural area of southeastern Michigan, where power outages are frequent. After installing our 11k Generac, we never have to worry about losing power again. Typically when you lose power it is never a good to be without it, such as getting ready for work, dinner time, or late evening. We first looked at the 8k model, for basic needs, such as lighting, heat, water, stove, refrigerator. But the price difference to go to 11k was not that much, and it allowed us a few extra circuits for convienence.
Date published: 2016-06-23
Rated 5 out of 5 by from A reliable and quality standby generator Our generator is 10 moths old, and has not failed us through several power outages. It is on-line and generating power within minutes of a power loss. I am notified via my smart phone when it goes into it's weekly exercise, and again when it is back on line and ready. It has been a real comfort to know that our house is never without power, especially when we are away. I recommend this generator to anyone looking for a quality product that is reliable, built to last, and easy to maintain.
Date published: 2016-06-23
Rated 5 out of 5 by from With propane fuel great feature This is my third home with General purchased, no problems with any units. With propane fuel there is ease of operating not filling with gas. Installation was easy all lines well marked and instructions were well written When power goes out the system is always ready
Date published: 2016-06-22
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11kW-6438 whole house switch is rated 4.9 out of 5 by 139.
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Generac Stock Ticker

  • NYQ
  • GNRC
  • $41.16
  • 12/2/2016 4:02 PM EST