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Anyone have whole home built in generator?

Posted on 3/13/21 at 6:27 pm
Posted by udtiger
Over your left shoulder
Member since Nov 2006
98470 posts
Posted on 3/13/21 at 6:27 pm
Pros?
Cons?
Cost w/ instant (size of home)?

TIA
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
34988 posts
Posted on 3/13/21 at 7:12 pm to
You can google “generator tigerdroppings” and find a few threads. I’m looking at getting one also.
Posted by BasilFawlty
Baton Rouge, LA
Member since Dec 2014
1155 posts
Posted on 3/13/21 at 8:35 pm to
Pros: always have electricity
Cons:??
I have a 22kw that runs everything. You're probably looking at around $12k for unit/install depending on proximity of gas
Posted by udtiger
Over your left shoulder
Member since Nov 2006
98470 posts
Posted on 3/13/21 at 9:02 pm to
quote:

I have a 22kw that runs everything. You're probably looking at around $12k for unit/install depending on proximity of gas


That's probaly the size I will likely need (according to the Generac website "tool").

Main gas is on other side of house from electrical box, but a line could be run from gas line to furnace in attic that's probably about 30-40 feet from where the unit would be located.
Posted by Carnifex
Member since Oct 2016
158 posts
Posted on 3/13/21 at 9:27 pm to
Yes - I love having it. More about peace of mind than anything. It’s great not having to go out in the middle of a storm and hooking up a portable one.

So far maintenance is low, about $250 a year for a tech visit. Honestly, its just an oil and filter change most the time. You could do it yourself for a few bucks in materials if you want.

Unit is a 20kw Kohler. About $8500 installed.
Posted by Tigerstro2
Louisiana
Member since Nov 2015
309 posts
Posted on 3/13/21 at 10:06 pm to
Just had a 22KW Generac installed a month ago. Believe it or not Home Depot had the best price and availability on the Generac. Electrical work including the slab for the generator was $1300. We had to run 500 feet of gas line due to being on the opposite side of the house which was $3000. Atmos upgraded our delivery to a 2 pound delivery to run the generator. We were not able to tie into the existing gas line in the attic due to the generator using so much gas.

On the price of the gas line we also had a separate line ran to where we’re eventually going to build an outdoor kitchen by the pool when it’s finished. That was some of the $3000.
This post was edited on 3/13/21 at 10:09 pm
Posted by LEASTBAY
Member since Aug 2007
14263 posts
Posted on 3/13/21 at 10:52 pm to
This is what I'm afraid of when I do it. Gas meter on opposite side.
Posted by Popths
Baton Rouge
Member since Aug 2016
3964 posts
Posted on 3/14/21 at 8:32 am to
Yes. Have the 22k Generac. HMC did my work and I’d highly recommend.
Posted by Tigerstro2
Louisiana
Member since Nov 2015
309 posts
Posted on 3/14/21 at 8:35 am to
When we built our house in 2012 I ran about 700’ of gas line myself from the road to the house due to Atmos saying they’d set the meter for free if I did. It was easy to do being it’s all poly I just didn’t have time for the generator. That would save you a big chunk of money.
Posted by udtiger
Over your left shoulder
Member since Nov 2006
98470 posts
Posted on 3/14/21 at 8:57 am to
Thanks everyone.

This has been very helpful.
Posted by lnomm34
Louisiana
Member since Oct 2009
12604 posts
Posted on 3/14/21 at 9:09 am to
quote:

We had to run 500 feet of gas line due to being on the opposite side of the house


500 feet? Good lord. How big is your house?
Posted by kengel2
Team Gun
Member since Mar 2004
30687 posts
Posted on 3/14/21 at 10:15 am to
If you have an open attic, itd probably easier/cheaper to put the generator by the gas and run power through the attic.
Posted by ScoobyDont
Member since Sep 2016
816 posts
Posted on 3/14/21 at 11:06 am to
If you already have a portable generator, check into soft start. Maybe an electrical genius can explain it better, but a soft start can allow portable generators at least of a certain size run a typical size central a/c unit.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5264 posts
Posted on 3/14/21 at 11:31 am to
quote:

Main gas is on other side of house from electrical box, but a line could be run from gas line to furnace in attic that's probably about 30-40 feet from where the unit would be located.

Same situation for me, gas meter and electrical service on opposite sides of house.

But let me share this info for you and other considering this. My BIL is a master plumber, recently retired out of state, and was visiting this past week and I asked him this exact question - we went in the attic checked my natural gas lines and sizing. He said although one could tie into the attic natural gas line to run a whole house generator to save the cost of running a separate gas line from the meter, the generator would virtually use all the gas when the generator was running and the gas range, gas water heaters, gas clothes dryer would be starved of natural gas and likely not function. So the proper way would be to bite the bullet on $ and run a separate gas line for the generator from the gas meter.

Though not related, on the up size he said he’d replace my 2 gas water heaters in the attic (they work fine but old, I’m on borrowed time) on his next trip. Upside of having a BIL as a plumber.
This post was edited on 3/15/21 at 9:48 am
Posted by Tigerstro2
Louisiana
Member since Nov 2015
309 posts
Posted on 3/14/21 at 8:18 pm to
500 feet? Good lord. How big is your house?

We had to go around the pool. If we would have went through the front yard we would have had to bore under the driveway at the widest point. Otherwise we would have had to bore twice.
Posted by s14suspense
Baton Rouge
Member since Mar 2007
14689 posts
Posted on 3/15/21 at 7:41 am to
quote:

So far maintenance is low, about $250 a year for a tech visit. Honestly, its just an oil and filter change most the time. You could do it yourself for a few bucks in materials if you want.



Who's doing your maintenance?
Posted by LSU-MNCBABY
Knightsgate
Member since Jan 2004
24343 posts
Posted on 3/15/21 at 6:28 pm to
Have a 22kw, house was already wired so just had to drop in the unit and it was around 4500.

It’s great, super easy to maintain, drawback is spoiled kids who will never know what it’s like to be without power.
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