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Best Standby Whole Home Generator?

Posted on 8/31/12 at 7:44 am
Posted by Ziggy
Member since Oct 2007
21500 posts
Posted on 8/31/12 at 7:44 am
I'm looking into getting a 20kW or so standby natural gas generator. I've heard good things about Generac and Kohler.

Any OB opinions/suggestions? TIA.
Posted by SenseiBuddy
Ascension Parish
Member since Oct 2005
4443 posts
Posted on 8/31/12 at 7:49 am to
I'm in the process of getting bids to build a house. In my plans is a natural gas whole house gen. I didn't specify a brand but generac keeps getting mentioned.
Posted by msu202020
Member since Feb 2011
4142 posts
Posted on 8/31/12 at 8:06 am to
Both units are good, also take a look at Cummins Onan Residential. You can't go wrong with any of these, just figure out which one has the best price and go with it.

FYI, I would go with the one that has the closest dealer to your location. Good customer support is pretty vital.

This post was edited on 8/31/12 at 8:09 am
Posted by Ziggy
Member since Oct 2007
21500 posts
Posted on 8/31/12 at 8:09 am to
Are any of the brands quieter than the others?

I've heard Kohler and Onan have much more expensive replacement parts than brands like Generac.
Posted by Langston
Member since Nov 2010
7685 posts
Posted on 8/31/12 at 8:14 am to
quote:

Good customer support is pretty vital.


My friend is the certified generac guy in our area which is the middle of the state and I would tell you to use them for sure if you were local. You need to talk to people with both and find out specifics about their service.
Posted by Ziggy
Member since Oct 2007
21500 posts
Posted on 8/31/12 at 8:18 am to
Where are you located?
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 8/31/12 at 8:41 am to
Ziggy,it really doesn't matter which brand you get if you get a liquid cooled unit.

Here are some damn good prices on the Type of unit you're looking at.
LINK

The Cummins/Onan units come with the 200 amp transfer switches. Those things are expensive.
LINK
This post was edited on 8/31/12 at 8:44 am
Posted by poule deau
Member since Jan 2009
1402 posts
Posted on 8/31/12 at 8:51 am to
quote:

standby natural gas generator


Does anybody have any experience with the amount of fuel these things use?

I've heard that some people are shocked when they get their gas bill after having run these things for 4 or 5 days.
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 8/31/12 at 8:52 am to
I've heard of $500 natural gas bills for a week of running one
Posted by Langston
Member since Nov 2010
7685 posts
Posted on 8/31/12 at 8:55 am to
alexandria
Posted by poule deau
Member since Jan 2009
1402 posts
Posted on 8/31/12 at 8:56 am to
So what I heard was close.

After Gustav/Ike I heard some people had close to $1,000 gas bills after being on generator power for 7-10 days.

I don't exactly remember what the price for nat gas was in 08 vs. now.

I know it is relatively cheap now.
Posted by rustyjohnson
LP
Member since Oct 2009
429 posts
Posted on 8/31/12 at 8:57 am to
I can't give you a number off the top of my head but I'll give you a recommendation: Do your homework before running a gas line. I know a few people that ran their own and didn't use large enough pipe so they can't get the minimum flow.

It may also be a good idea to upsize the unit a little bit so it's not running at full load. The upfront cost may be less than 1 week running it at 90% over a larger unit at 60%.
Posted by TexasTiger
Katy TX
Member since Sep 2003
5324 posts
Posted on 8/31/12 at 9:00 am to
its not cheap but if you are dropping over 10K on a home generator than you really shouldn't be shocked when you get the bill.

Between the cost of fuel for a generator and standing in long lines for fuel, and paying a lower elctric bill for the time you aren't on the grid..its probably not much more money to be in complete comfort.
Posted by Mung
NorCal
Member since Aug 2007
9054 posts
Posted on 8/31/12 at 9:08 am to
watch out for dirt daubers
Posted by wickowick
Head of Island
Member since Dec 2006
45786 posts
Posted on 8/31/12 at 9:08 am to
Natural gas is a lot cheaper than a couple of years ago. With that being said I have no idea...
Posted by Langston
Member since Nov 2010
7685 posts
Posted on 8/31/12 at 9:15 am to
Its a huge difference in your bill depending if its run on propane or natural gas. Know people with both and propane can use up to $100 a day vs natural gas around $30 a day.
Posted by poule deau
Member since Jan 2009
1402 posts
Posted on 8/31/12 at 9:15 am to
quote:

Between the cost of fuel for a generator and standing in long lines for fuel, and paying a lower elctric bill for the time you aren't on the grid..its probably not much more money to be in complete comfort.


I understand but operating cost is another factor in the equation to consider.

Also, my FIL just so happened to install one of these about 2 weeks before the storm. I don't know what his final cost was yet, but he only paid about $4,500 for the generator itself. A Generac 17 kw with the fiberglass enclosure.

ETA: not fiberglass enclosure but aluminum
This post was edited on 8/31/12 at 9:26 am
Posted by msu202020
Member since Feb 2011
4142 posts
Posted on 8/31/12 at 10:03 am to
quote:

Are any of the brands quieter than the others?


No, the all run about 65 db loaded at 23'.
Posted by msu202020
Member since Feb 2011
4142 posts
Posted on 8/31/12 at 10:06 am to
quote:

Does anybody have any experience with the amount of fuel these things use?


Between 200-300 cu/ft of natural gas per hour depending on how much the generator is loaded.
Posted by Dr Pepper
Tunnels Under The Quad
Member since Mar 2009
752 posts
Posted on 8/31/12 at 10:10 am to
about to put in a 70kw whole home gen. Onan Brand. Really good product. that bundled with the automatic transfer switch is $23,000 before installation! :wha:
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