Ray

Your list mirrors mine. 

Never. Ever. Ever. Buy or believe you’ll get support of any kind from Generac. 
I fell for the lure of the ECO GEN and it ate itself one night while helping 
our off grid home get through a hot cloudy summer day. 

For my off grid experience since 2005, I would vote for:

1. For Big Systems, I’d vote for a Cummins 1800 water cooled unit. 20kw is 
great genny for a double stack or more of Radians. They work. Period. After a 
few tries, a couple customers agreed to water cooled and life is grand. 

Kohler RES-14 and RES-20 air-cooled units have also been great. For those 
customers there are big battery banks and the generator is less needed. 

2. Kubota GL11000 or GL7000. I have a few in my customer group. I have the 
GL6000 at my shop. It can be made auto start. Diesel is man-potable. They 
always start and run and they are water cooled even though they are 3600 rpms, 
they are quiet. 

3. Honda inverter generators. I have several customers with different wattages. 
I love these. Won’t do much good to put a EU2000i on a 2400Ah bank, but the 
EU7000i can be auto started in some climates with a 3-wire controller like a 
XW-AGS. Keep the oil changed. 

Also. The key here is use vs capacity for use. If you design a system that 
needs the generator to run every. single. day., you might want to spec a 
generator that costs more than the solar array. Or have enough battery for a 8x 
load and solar for 2x or more. 

The old adage you get what you pay for is still valid in the off grid world. 

Thank you,

Maverick


> On Feb 27, 2020, at 4:25 PM, Ray <[email protected]> wrote:
> 
> I know we have covered this before, but I just continue to be disappointed 
> with the Generac Ecogen.  Very high failure rate, and support is poor.  
> Service requires expensive on site service. Also the no load AC draw and 
> programming setup is just not off grid ready at all.  I'm still not seeing 
> any other great choices, though.  Here's some other possibilities:
> 
> 1) Quality portable, like the Honda EU 7000i or Northstar with Honda motor.  
> Not the best choice especially for autostart, no propane, but at least they 
> can take it in to the shop if it goes down.
> 
> 2) Kubota (or MQ) diesel. expensive, and possible cold weather start issues?
> 
> 3) 20+ kW water cooled, 1800 rpm propane model.  Overkill, expensive, but 
> probably will last a really long time.
> 
> 4) Similar Home standby unit, but Kohler brand.  Kohler used to be great, but 
> now a days I'm not so sure.
> 
> I just can't keep recommending a generator I know has been giving other 
> customers trouble.  Any new ideas on this age old problem?
> 
> -- 
> Ray Walters
> Remote Solar
> 303 505-8760
> 
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