Rated 4.8 out of 5 by 298
Rated 5.0 out of 5.0 by meemee6 This is our second one - great generator!!
We recently moved into a new home and purchased this 20KW Generac. After installation the electrician threw the power to the house and the generator automatically transferred power with natural gas. We haven't had a power outage since it was installed but it is a great peace of mind knowing that our home can still function as usual during an outage. It automatically runs an exercise every week. We don't notice the noise when we are inside. We knew that we wanted this brand because our old home had the 17KW which never failed us. Found the best pricing at Home Depot.
November 6, 2013
Rated 4.0 out of 5.0 by Chanco The generator is only part of the cost
I think the Generac will be good to have, but you should be aware that the installation costs may be more than you expect. I had to get a larger capacity gas meter for $150. The gas plumber was $700 and the electrician will be $1200-$1500. Probably still worth it because we've been flooded out 4 times before due to power outages and each time cost more than the generator will cost.
August 27, 2013
Rated 5.0 out of 5.0 by StarKaraoke MY 2ND GENERAC STANDBY 20KW GENERATOR FROM HOME DEPOT IN 7 YRS/THIS 1 FOR OUR NEW HOUSE
MY OPINION AND EXPERIENCE: My 2nd standby Generac 20KW Nat gas generator. Even better. My 1st had to have a concrete pad/separately ordered transfer switch, is water cooled with a Mitsubishi engine. This 1 is air cooled on it's own composition pad and CAME with the transfer box/switch. I have yet to use it in a power outage. The driver was able to back his rental delivery truck to the unload area and place it by the house where it is now installed. Besides saving me money, and getting a policy adjustment as it went on sale online/price match, free delivery to it's installation place saved me on installation. The company that installs here did not have to pick it up and set it in place! Living here in hurricane country and thunderstorm territory in the far burbs this is a must have! After hurricaines Ivan/2004 and Katrina/2005 it is dangerous to hunt gasoline for a small generator daily, and we are too old to do without our conveniences. Then there is security if you go to a hotel if you can find one. An empty house invites looters. I will gladly pay the gas bill, equate it with those mentioned expenses of hotel and security. You can use the large propane tank if you don't use natural gas. I do recommend getting a maintenance contract with a local generator maintenance company. Those contracts go year to year to change oil, check maintenance, your system, replace the battery when needed, etc. I use synthetic oil when they change the oil, lasts longer! The machine should be set to run a bit same time once a week, charge the battery and keep moisture out of the machine to keep it in good running order. We have ours set for Sunday mornings. I highly recommend HOME DEPOT and their special financing credit card offers on these!
July 10, 2014
Rated 5.0 out of 5.0 by Geno Just as Advertised!
Installation with a my Certified Electrician $700. Installation time 5 Hours. Transfer Switch works great.
I Installed Advanced Wireless Generator monitor. It too works as promised. The only thing this generator needs is a smartphone app that does not charge a monthly fee.
October 1, 2013
Rated 5.0 out of 5.0 by spaul40 Works like it is supposed to
I purchased this product and have had it installed. Total cost of installation was $1,200 for electrician and permit ($250). The propane company installed a tank, put a 40 foot line in and delivered 100 gallons of propane for $600. The unit works just like it is supposed to work When the power drops out, the unit waits approximately 10 seconds, starts itself, and about 10 seconds later, it picks up the load of the entire house. conversely, when the power returns, the unit stays on generator power for about 10 seconds before it switches back to utility power. It then runs the generator for about 60 seconds to cool the unit and then shuts off again.
June 5, 2013
Rated 5.0 out of 5.0 by BigRedMac This product was everything I wanted it to be.
My wife and I were very concerned about electrical blackouts and wanted an affordable solution to this problem. We shopped around and talked with various electrical contractors and even found one that we selected to do the installation. He recommended his own brand, stating that it was the best. However we selected the Generac Guardian Series 20,000 based on reviews, product description and price. Home Depot worked with us and made the purchase very affordable. When installed, the electrical contractor said he was very pleased and found it to be as good (or better) than the one he had recommended. Luckily we have not had to use the system yet, but it is set up for weekly self testing and the electrical output is more than adequate for our entire home and it works in test mode like a dream. I am trying to decide now if I want a real blackout just so that I can gloat over my neighbors.
June 19, 2013
Rated 5.0 out of 5.0 by frank Attractive design, quiet operation and great features especially fuel conversion, NG > LP
Unit was self installed. Installation/users manuals well written. Generator & Transfer Switch connections well labeled. LCD control panel very user friendly for setup. Ease of NG>LP fuel conversion perhaps best feature.
December 11, 2013
Rated 5.0 out of 5.0 by ametric Great piece of mind purchase!
Although I have yet to have a outage since installment, I feel confident that my unit will kick in and power my whole house. We had an outage the week before I had my unit wired and plumbed in that lasted 36 Hrs. Wish I had gotten it done sooner. Here are a few things I learned, hirer a electrician! I'm a mechanic by trade but after seeing the way the electrician did the wire install I was amazed. I'm sure my install would not been as nice or reliable? The plumbing is pretty straight forward. I have my unit in a remote (cold) location and they recommend a cold climate kit. Have your electrician rewire the 110 outlet inside the generator cabinet to the house power. Then buy on line a battery heat blanket a long with a 75 watt engine oil pan heating pad. They also sell on line a thermostat 110 volt outlet to plug the 2 heat elements into. You can buy the 3 pieces on line for about half of the recommended kit. I have a 200 watt service panel in my house and the unit comes with a 200 watt transfer box but the generator only has 100 watt service breakers. No problem as long as you don't have every electrical unit in your hose turn on at the same time.(every light, A/C, Furnace, hot water heater, well pump, etc) If you do the only problem is that you will pop the 2-100 watt service breakers in the generator.
February 13, 2012