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Message
Whole-home generator installation companies
Posted on 8/10/26 at 7:27 pm
Posted on 8/10/26 at 7:27 pm
Prairieville area.
I'm considering HMC (Kohler), Gengatorz (Kohler), and Gage (Cummins) the following 3 companies. If you have experience with any one of these 3 companies and/or Kohler or Cummins, I would appreciate your feedback. Kohler is my preference. My only hesitation with Cummins is the availability of parts, should service be required (at least from what I have read, whether it is factual or not).
Natural gas. I'm open to 18 kW NG (Kohler and Cummins) and 24 kW NG (Kohler). Ideally, I'd like to be able to run all my lights, 2 AC units, utilize the dishwasher, and washer and dryer -- as bare minimums -- and pool equipment (in the event we lost power for an extended period of time).
I've read great things about Rescom, however, they only sell Generac and I am not interested in their whole home generator.
I'm considering HMC (Kohler), Gengatorz (Kohler), and Gage (Cummins) the following 3 companies. If you have experience with any one of these 3 companies and/or Kohler or Cummins, I would appreciate your feedback. Kohler is my preference. My only hesitation with Cummins is the availability of parts, should service be required (at least from what I have read, whether it is factual or not).
Natural gas. I'm open to 18 kW NG (Kohler and Cummins) and 24 kW NG (Kohler). Ideally, I'd like to be able to run all my lights, 2 AC units, utilize the dishwasher, and washer and dryer -- as bare minimums -- and pool equipment (in the event we lost power for an extended period of time).
I've read great things about Rescom, however, they only sell Generac and I am not interested in their whole home generator.
This post was edited on 8/10/26 at 7:45 pm
Posted on 8/10/26 at 9:49 pm to Will Cover
Gage did my 60kw home generator. They have been awesome. Jimbo has come to my house several times most recently when my lawn people hit my gas line and he walked me through the valve shut off and fixed the pipe the next morning. I priced out a bunch and feel at the large generator kw Cummins was the way to go. Hope this helps.
Posted on 8/11/26 at 10:27 am to Will Cover
Get someone in a different area to install your generator such as Texas, SWLA, Mississippi, or up North. If a hurricane hits your area that company will be busy fixing all the ones they installed. They may not get to you in a timely manner, as a company outside of your area will be twiddling their thumbs.
Posted on 8/11/26 at 11:49 am to Will Cover
HMC in Dutchtown/Prairieville has been a solid company to deal with.
We bought a 5 year old (2,200 sq ft) house in 2012 with a 10kW Generac. about 4 years ago, we began to have trouble out of it and last week a capacitor bit the dust and Generac says it is outdated. I've checked the parts number everywhere and can't find a new one for sale. Maybe a used one on eBay but I'm not big on used electrical parts.
I just had Generac come out and we talked about upgrading to an 18kW but all the permits, parts, and the price gave me pause.
If we just replace the 10 for another 10, all will be good but going up to a 14 or 18 kW involves Atmos Energy upgrading meters, electrical inspections, running new wires and possibly gas lines.
We think we're going with just replacing the 10kW for around $4,000. He did say that Atmos may force the meter exchange if more people in the neighborhood start using natural gas powered home generators.
Since Katrina, I can't remember being without power more than a couple of days at a time so we will just muddle through with our high ceilings and fans until power comes back on.
We bought a 5 year old (2,200 sq ft) house in 2012 with a 10kW Generac. about 4 years ago, we began to have trouble out of it and last week a capacitor bit the dust and Generac says it is outdated. I've checked the parts number everywhere and can't find a new one for sale. Maybe a used one on eBay but I'm not big on used electrical parts.
I just had Generac come out and we talked about upgrading to an 18kW but all the permits, parts, and the price gave me pause.
If we just replace the 10 for another 10, all will be good but going up to a 14 or 18 kW involves Atmos Energy upgrading meters, electrical inspections, running new wires and possibly gas lines.
We think we're going with just replacing the 10kW for around $4,000. He did say that Atmos may force the meter exchange if more people in the neighborhood start using natural gas powered home generators.
Since Katrina, I can't remember being without power more than a couple of days at a time so we will just muddle through with our high ceilings and fans until power comes back on.
Posted on 8/11/26 at 6:02 pm to Will Cover
Do not use Gage, their installs look very messy. Whoever did the Generacs in my hood looks to do a good job. Are you open to Briggs and Stratton? I just became a dealer and have some great offers to purchase my first 2 units and they have the best warranty. I have a 26kW 10 year warranty unit with free shipping and transfer switch that I can offer for 8k(not installed) including tax. I can also install and I’m picky about how install them. Also, there are load management systems designed to run your whole home on smaller units. Basically, the ac’s are last priority. So if you are drying clothes, when the dryer stops an ac will come on. Aren’t you doing a new build or remodel? Email me at homeimpbydl@gmail.com and I’ll
Give you my number and even if you aren’t interested in Briggs I can tell
You what to look out for.
It looks like you are building a new house. You need to pick a unit and get the switch and have the electrician install it with your meter and panel. That will reduce the costs a lot and create the cleanest install only requiring a nipple from the meter to the switch externally. Inside the wall would be the nipple from the switch directly to your panel.
Give you my number and even if you aren’t interested in Briggs I can tell
You what to look out for.
It looks like you are building a new house. You need to pick a unit and get the switch and have the electrician install it with your meter and panel. That will reduce the costs a lot and create the cleanest install only requiring a nipple from the meter to the switch externally. Inside the wall would be the nipple from the switch directly to your panel.
This post was edited on 8/12/26 at 7:25 am
Posted on 8/11/26 at 6:50 pm to Will Cover
No personal experience, but my next door neighbor, SE BR, installed a whole house stand-by generator 2 years ago. He is a retired engineer and stickler for detail. He got 4 bids/vetted 4 companies. He went with HMC in Prairieville and he was very happy with their work. We talked a lot about the project, during and after - he’d send me photos & updates.
Posted on 8/11/26 at 6:52 pm to TigerDL
quote:
Gage did my 60kw home generator.
Posted on 8/11/26 at 7:02 pm to CrawDude
I suspect HMC did the Generacs in my hood. They are for the most part, clean installs.
The Gage Cummins jobs look like the electricians used whatever parts they had on the truck and made them work. There’s extra conduit fittings. The piping is random and they definitely didn’t use any instruction manuals on how to design the fuel piping. My one neighbor has a 10 foot run of piping attached to unistrut hammered in the ground.
The Gage Cummins jobs look like the electricians used whatever parts they had on the truck and made them work. There’s extra conduit fittings. The piping is random and they definitely didn’t use any instruction manuals on how to design the fuel piping. My one neighbor has a 10 foot run of piping attached to unistrut hammered in the ground.
This post was edited on 8/11/26 at 7:03 pm
Posted on 8/11/26 at 8:07 pm to F1y0n7h3W4LL
So here’s the process with Atmos, because I went through it…..Atmos won’t come out until after your generator is installed. The tech will make a suggestion and see if you want to go with it and do it. In my case he said I could take a bigger meter so he replaced my meter on the spot.
Most of my neighbors are running on the same meter I used to have. I assume no one called Atmos. I see some of the Generac installs have multiple regulators, so assuming they did a bit more, and speaking with the tech that was an option.
Also, it sounds like HMC is trying to sell you a full install. If you already have a service rated transfer switch, you need to make sure the gas pipe is the right size and replace only the wires from the generator to the switch.
To go up to an 18kw Briggs you’d be in the neighborhood of 8-9k as long as the generator is close to the gas meter. You shouldn’t have to pull permits. You only absolutely need permits if a meter pull is involved. Feel free to email me at homeimpbydl@gmail.com
Most of my neighbors are running on the same meter I used to have. I assume no one called Atmos. I see some of the Generac installs have multiple regulators, so assuming they did a bit more, and speaking with the tech that was an option.
Also, it sounds like HMC is trying to sell you a full install. If you already have a service rated transfer switch, you need to make sure the gas pipe is the right size and replace only the wires from the generator to the switch.
To go up to an 18kw Briggs you’d be in the neighborhood of 8-9k as long as the generator is close to the gas meter. You shouldn’t have to pull permits. You only absolutely need permits if a meter pull is involved. Feel free to email me at homeimpbydl@gmail.com
This post was edited on 8/11/26 at 8:32 pm
Posted on 8/11/26 at 8:14 pm to dillpickleLSU
Posted on 8/11/26 at 8:17 pm to TigerDL
Yeah I would never install that sagging piece of PVC or liquid tight….looks like hammered dog poo. Gas line also looks lazily run and should have went underground until it was close to the inlet.
The way they placed so much of it above grade it’s begging to be hit.
It’s something about where gage places the switch boxes and makes some awkward connections/piping to them. They look horrid. It takes accuracy and a little effort to make it clean. I also see code violations when I look up close at my neighbors. There should be lockrings on the side entry to prevent rain water and there are none. I get wanting a Cummins, but those installs are terrible.
The way they placed so much of it above grade it’s begging to be hit.
It’s something about where gage places the switch boxes and makes some awkward connections/piping to them. They look horrid. It takes accuracy and a little effort to make it clean. I also see code violations when I look up close at my neighbors. There should be lockrings on the side entry to prevent rain water and there are none. I get wanting a Cummins, but those installs are terrible.
This post was edited on 8/11/26 at 8:44 pm
Posted on 8/11/26 at 8:20 pm to TigerDL
This is clean
This post was edited on 8/11/26 at 8:22 pm
Posted on 8/11/26 at 9:10 pm to dillpickleLSU
The whole exposed pipe minus where it comes out of the ground is above the concrete and not exposed. It looks super clean from generator to house. The transfer switch had to go away from the ac’s. The pvc sags a bit. Nonetheless it’s all hidden by nicely manicured azaleas. I think at the larger size liquid cooled generators Cummins was the Best Buy and gage had the most professional estimate and has been highly responsive. I get not liking their look but I certainly don’t work there and have high standards and feel they’ve treated me right and were far more professional than most service people who have come to my home. I’d recommend their services.
Posted on 8/12/26 at 12:58 am to TigerDL
quote:
60kw home generator.
How big of a house you got?
Posted on 8/12/26 at 4:51 am to TigerDL
It’s a lower standard of work than I see a lot of the other installs done to….also likely some code violations. That PVC should be supported every 5 feet and within 3 feet of entry to each box. It shouldn’t have to be hidden by anything.
To each his own but that wouldn’t work for me.
To each his own but that wouldn’t work for me.
This post was edited on 8/12/26 at 6:17 am
Posted on 8/12/26 at 10:23 am to dillpickleLSU
quote:
It looks like you are building a new house.
I am.
quote:
You need to pick a unit and get the switch and have the electrician install it with your meter and panel. That will reduce the costs a lot and create the cleanest install only requiring a nipple from the meter to the switch externally. Inside the wall would be the nipple from the switch directly to your panel.
quote:
Email me a
quote:
I’ll
Give you my number and even if you aren’t interested in Briggs I can tell
I will.
This post was edited on 8/12/26 at 10:24 am
Posted on 8/12/26 at 10:31 am to dillpickleLSU
quote:
Do not use Gage,
Didn't realize the installation issues with Gage, which to me, is just as important as the generator itself. Similiar to an AC install. Doesn't matter the great of a product you have if a terrible installation.
Posted on 8/12/26 at 10:33 am to dillpickleLSU
quote:
So here’s the process with Atmos, because I went through it…
My gas company will be French Settlement Gas. Do you happen to know their process?
Posted on 8/12/26 at 10:45 am to Will Cover
I do not….i wouldn’t worry about it too much, it’s something that can be done after the fact. I stood there with him while he swapped me from a 275 cf meter to a 425 cf.
The part I would worry about if this is a new build is getting that switch put in during the construction process.
The part I would worry about if this is a new build is getting that switch put in during the construction process.
This post was edited on 8/12/26 at 10:47 am
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