Standby Generators

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Was  $9,398.00
$8,458.20 / each
Save $939.80 (10%)
Generac 30,000-Watt Liquid Cooled Standby Generator with Steel Enclosure

Model # RG03015JNSX

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  • • Ship to Store Free
$29,399.00 / each
Generac 150,000-Watt Liquid-Cooled Standby Generator

Model # QT15068ANAC

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  • • Not Sold in Stores
Was  $10,998.00
$9,898.20 / each
Save $1,099.80 (10%)
Generac 36,000-Watt Liquid Cooled Standby Generator with Aluminum Enclosure

Model # RG03624JNAX

  • • Ship to Home
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
Was  $11,268.00
$10,141.20 / each
Save $1,126.80 (10%)
Generac 32,000-Watt Liquid Cooled Standby Generator

Model # RG03224ANAX

  • • Ship to Home Free
  • • Ship to Store Free
  • • Ship to Home Free
  • • Ship to Store Free
Was  $12,648.00
$11,383.20 / each
Save $1,264.80 (10%)
Generac 45,000-Watt Liquid Cooled Standby Generator with Aluminum Enclosure

Model # RG04524ANAX

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  • • Ship to Store Free
  • • Ship to Home Free
  • • Not Sold in Stores
  • • Ship to Home Free
  • • Ship to Store Free
  • • Not Sold in Stores

Out Of Stock Online

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Out Of Stock Online

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Out Of Stock Online

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Out Of Stock Online

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Out Of Stock Online

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Average rating for Standby Generators
(4.7 / 5)
2,553 Reviews
  1. 2 years ago
    Great size for a generator!
    I like the fact that this backup generator is a perfect fit for homeowners with small properties! This would help us out in our small home when a storm comes and the power goes out! Thanks
    This review was originally posted to GEGenerators.
  2. 2 years ago
    Excellent product
    My friend got it and I love it very much when I heard more about it
    This review was originally posted to GEGenerators.
  3. 2 years ago
    Awesome Features!
    We decided to purchase a generator after Super Storm Sandy. This generator made us so happy we did. We've had some prolonged power outages since our purchase and it has proved to be an asset in our home. We have alot of outages where we live and a generator is a must! We're so glad we chose this one, it's fantastic. Thankyou for making such a great product.
    This review was originally posted to GEGenerators.
  1. 2 months ago
    Cottage Generator
    We've had this generator for just over a year. It's very reliable especially when paired with Mobile Link which sends a text when it's testing or when power is out at our cottage. Also, it's easy to find firms who will perform the annual maintenance service. Wouldn't hesitate to recommend.
    This review was originally posted to generac.com.
  2. 3 weeks ago
    Installed and Ready
    Earlier in the year, my wife and I decided on having a backup generator installed. We opted for a unit that provided the basic backup features in case of a power outage. Since moving here just over a year ago, we have already experienced four outages and with a blind elderly mother living with us, that makes life difficult. After some research, we decided on the size and made the call. Our selected dealer / installer responded immediately and after their survey, we completed our selection and ... read more set up the installation date. We now have a brand new generator installed and doing its weekly test run. So far, since the installation, we have had no outages but there have been plenty of opportunities owing to the spring storms in our area. We are extremely pleased with the installation, the installer and the services they provide. If we never need the generator, that is fine by me but I know it is sitting there ready to go if we do.
    This review was originally posted to generac.com.
  3. 2 months ago
    Whole house back up gives us peace of mind
    We just had our generator installed. Jay and Charlie were very professional and had it installed in about 6 or 7 hours. Has a nice appearance to it and doesn't take up much room. Kicks right on when the power goes out. All lights and heat went right back on within about a minute. Very glad we invested in one - it's worth the peace of mind.
    This review was originally posted to generac.com.
  1. 3 weeks ago
    Best money ever spent
    This system is by far and away the best investment I've ever made I would Recommend to everyone go big or go home. This thing will run a small city
    This review was originally posted to generac.com.
  2. 5 months ago
    20 KW runs the whole house
    We had the 20 KW unit installed in May 2014. It performs the weekly self test/run every week without fail. In addition I flip the main breaker maybe a couple times each month and the unit kicks in and runs the whole house. Last year during the summer a tornado/high wind event came through the area and the power went out for three hours but the Generac came on and ran two air conditioners, pool pump, pool heat pump, refrigerator and TV for three hours no problem. It eased the anxiety associated ... read more with the event. It worked just as well through the cold New England winter, starting and running with the cold weather battery warmer option.
    This review was originally posted to generac.com.
  3. 1 year ago
    Excellent peace of mind
    I just had this generator installed. We live in the country In Iowa and have a gas furnace and well for water. The winters here can be brutal. I can't begin to tell you how much peace of mind this equipment provides. I can rest easy now when I am out of town and not worry that my wife has any concerns with heat, water, the security system or anything else that is dependent on electricity. The system is awesome. It checks itself on a weekly basis and is very simple to maintain. This is probably ... read more the best investment I have made for our home.
    This review was originally posted to generac.com.
  1. 3 years ago
    Unit is priceless when in Use!
    The unit (14kw) was packaged well and came with all directions included. I ran all the wires in conduit and only left the direct connections up to the liscenced electrician. He cost about $500.00. So total price on the unit was $3,900 Installed. Only downside is I was told it is a 200amp transfer switch but the generator only housed a 60amp breaker meaning the load was half of what I thought I was buying.
  2. 2 years ago
    Emergency generators, hidden costs.
    VT regulations require that I hire professionals to hook up both the Propane and Electrical connections. In speaking with the installers, Generacs are some of the more difficult generators to hook up. Installation costs in my case were an additional $1499.00 for parts and labor, something I had NOT budgeted for. Documentation was somewhat vague in the "things needed for installation" section of the manuals - mainly because every state has different regulations; however, there are some standard ... read more minimums that could be listed (e.g. sizes of power cable, size and number of signal cable(s)). Peace of mind knowing that I will have power and heat during the next 12-hour electrical outage is priceless.
  3. 2 years ago
    Peace of Mind
    I had a portable gas generator in the past, worked well but to much work filling it up with gas. Plus messy. I purchased a 14 KW Totally happy. But I would recommend having a Winter kit installed if you live in a region that the temps drop below 30 degrees. This kit cost me around 270.00 But it keeps the Battery and oil warm. Thank God I put it in. This winter of 2013/2014 has been bitter cold and my Generac fire's right up every week for it's test. I have lost power 3 times for appox 15 minutes ... read more and when the power goes off 10 seconds later bingo .. Total power to the house... Great investment.. Great peace of mind.
  1. 4 years ago
    Impressed Home Depot Online was Flawless
    As a Electrical Contractor, I could not ask for more. Great shipping time. Price was right.
  2. 4 years ago
    Excellent back-up power
    We just lost power in the DC area and it ran our central AC and half our house for 45 hours straight. It worked great! (We installed it 2 years ago, so it holds up). Installation is very complicated so you need a good electrician with generator experience.
  3. 4 years ago
    A WONDERFUL PRODUCT
    The first thing to know is that you will need an electrical and plumbing permit from your town. Some towns actually require that you provide a property survey before the permit is issued because they want to see the proposed location. In my town, the generator had to be at least 5 feet from any property line. Luckily, I had an old survey kicking around from 15 years ago which the town accepted. I put an "X" on the proposed location and waited two weeks for approval. My Kohler 12RESL arrived by ... read more truck delivery right on time and the driver wheeled the unit to the end of my driveway. I hired a certified Kohler electrician to do the installation work, and they sent over fours guys who lifted the unit and walked it over to a gravel base that I put down the day before. I used about six bags of pea gravel to create the base. When the Kohler tech opened the box, he told me that I got a fantastic price on my 12RESL generator from Home Depot. He could not, as a dealer, match the price. You should know that model sold by Home Depot differs from the one you would get from your local Kohler Dealer in that the Home Depot model does not come equipped for internet based control. In other words, if you want to be able to control your generator while lying on beach in France, this is not the model for you. Since my budget would now allow for a higher priced unit anyhow - this one was perfect. While I considered the Generac models, I opted for this one because A) it was the top rated model when Consumer Reports tested generators in 2006; B) as an older model, the bugs have been worked out. c) The Kohler units are able to handle larger loads than comparable Generacs due to their ability to provide short term surges in power production when appliances are turned on. I would have had to move up to a 14 KW Generac model to handle my house. The Kohler 12RESL comes with a very nice 100 AMP transfer switch that allows for 12 circuits to be activated in a power outage. Even though my house has a 200 AMP main panel, it's no problem to connect the 100 AMP Kohler panel to the 200 amp main panel using a circuit breaker. I selected 12 circuits that will have my home up and running in an outage. Here's my list: 3 ton Central Air (this uses up 2 of the 12 circuits on the panel because it is a 220 volt application), Washer, Gas Dryer, Gas Range, three kitchen outlets, master bed and bathroom, room, Cable Service, Two TV's, and 2 Refrigerators, dishwasher, and lighting. Before you buy, look at your electrical panel and figure out which circuits you would select. If you absolutely need more than 12 circuits, this is not the generator / transfer switch combination for you. One of the nice features of the transfer switch is that it allows the electrician to set the central Air unit to come one 5 minutes after everything else. This is a great feature because it prevents the generator from having to deal the extraordinary load caused by starting everything at once. The 12RESL is housed in an insulated steel box and it is very quiet when running. As a matter of fact, my wife and I were absolutely shocked by how little noise is produced by this unit. After installation, we tested the unit by shutting off the main breaker. The Kohler started up and we had quiet power in about 8 seconds. While testing the generator, it ran my central air while running two refrigerators, and dehumidifier, lighting and a TV. At my electrician's recommendation, I switched out all of our old fashioned light bulbs for Compact florescent and LED bulbs. I should have done this a long time ago to save electricity, but now it's doubly important. Less wattage consumed by lighting means more generator power for everything else. Here's an important tip: The Kohler transfer switch that comes with this unit does not feature the newest technology called "power shedding." With power shedding, a small computer inside the transfer switch always monitors the load and will automatically shut down circuits that you designate as being less important if too much electricity is being used in the home. If too much of a load is demanded of my unit, the main circuit breaker will trip and the whole house would go dark. We would then shut off a high demand appliance and reset the breaker. The new power shedding technology is great, and Home Depot offers it with some of the Generac units that they sell - at a very good price. If you have a tight budget, you'll have to decide whether you want to place the emphasis on getting a better generator (Kohler) or a more sophisticated transfer switch (Generac). Note that not all of the Generacs come with the power shedding switch. Be careful to read the Home Depot package deal descriptions very carefully. Both the Generac and Kohler units require an oil change after 100 hours (4 days) of continuous operation. If you think you might have an outage longer than that, buy some motor oil and learn how to do an oil change. Based upon my research, the best oil for these units 10W-30 Synthetic Mobil 1 Extended Performance. Whether you buy the Kohler or the Generac, you should buy the optional carburator heater if you live in a place where temperatures can drop below 32 F. If you buy this particular Kohler unit, you need Kohler heater Model GM39564-KP1. Do not buy the Kohler carb heater sold by Home Depot because it will NOT fit the 12RESL model. The Home Depot web site says it will fit, but it won't. You can read my heater review for more details.
  1. 2 years ago
    16KW rock solid
    I have had this 16KW generator for over 5 years. Hurricane Ike blew through Ohio just after install. No power for 3 days ran very well. I had other outages lasting over a week long and still no problems. It is an easy install if you are handy with gas and electricity. You need friends to move it to the pad.
  2. 3 weeks ago
    satisfied with the purchase
    will install generator later this year at my home in NC
  3. 2 years ago
    Great product! Easy to install
    After review numerous options I settled for the Generac 16kw. Great product and well built! Made in the USA! It was very easy to install and just as easy to use. Operation is effortless! Basically it's off, manual, or Auto operation! Well thought out for oil changes and maintenance!
  1. 2 years ago
    Great attention to detail!!!
    The Kohler generators are superbly crafted and well thought out. From the oil/air filter location to the pad holes for easy lifting and moving. The On Cue system for convenient monitoring from your mobil phone and/or from your computer is also a great add-on feature for these units. I can conveniently monitor the performance of my generator from the comfort of my home or from anywhere in the world.
  2. 2 years ago
    Well worth the investment
    Had a minor issue during the initial startup which through the help of Kohler (Retail Sales Co-op and customer service), Home Depot (customer service resolution dept) and after some time the local distributor (most importantly the technician)but all was resolved and and the unit works impecablely well. It is quiet, starts and switches over in about 3-5 sec. in a tested (Main breaker killed) power failure will know for sure when the real deal power failure happens but more then confident it will ... read more be there when needed. Well worth the investment, more or less insurance for piece of mind during major power failures like we had when Sandy hit us. It came with everything needed for the install. I invested in the accessories of a carb heater and the OnCue Monitoring software and they are both easy to install and well worth it. Kohler has been around for a long time and they build a high end quality product. Has a great warranty also.
  3. 3 years ago
    Works like a charm in tests
    I had the unit professionally installed. And, it takes care of the whole house without any problems. I bought the unit at HD and had to arrange my own pick up from the store. I would advise acquiring it online so that shipping is taken care of.
  1. 4 years ago
    Good unit, fair price, documentation needs a little work
    Everything worked great - took a while to wire and setup propane - but that was to be expected. When I ran test, I kept keep a fault code 8; called tech support and they had me set two dip switches that were not set - wish the doci had that bit of info. Outside of that the unit looks great and works great! Only Gripe is that Home Depot told me that it did NOT come with a pad. I bought a pad and the unit showed up with a pad.
  2. 4 years ago
    Product was what we wanted and are happy with what we got.
    I researched quite a few different models of generators and found that this one offered through Home Depot was the best one for us. I am looking forward to having it connected and prepared for back up as the winter starts in full swing.
  3. 4 years ago
    GE 15kW - 1, Derecho 2012 - 0
    I purchased this unit last year October 2011. The winter of 2011/2012 was very mild and we didn’t need it, but then came the “derecho” of 2012. With millions homes without power because of the storm, I felt great about the purchase my family made as we are enjoying our standby generator during this outage as our generator kicked in without issue. We would were without power for almost 5 days, but we were nice and cool as our generator ran our complete home, air conditioning and all. With local ... read more regulations, you need to have your unit 5 feet away from your house, so the doors all around isn't a problem. You want 360 degree access. I highly recommend this unit.
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