asianpersuasion
Well-Known Member
There's a girl I went to college with and she posted on FB the huge gen they had installed at their house after Gustav. I had to chuckle when she posted that it turns off every 7 min during use the other day
Most reliable whole house generator?
- Thread starter Vermiform
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speaking of fuel prices... i ran my 5500 portable one for 12 hours a day and that was 10 gallons. so about $30-40 a day
and that only ran a window unit at night etc. So i dont think those NG prices are that bad to run a whole house!
and that only ran a window unit at night etc. So i dont think those NG prices are that bad to run a whole house!
I looked up the 20kw generac at full load on ng it say 294 cubic feet per hour. So let's call it 2.65 rounded up to $3 per cubicft that would be 24 a day? Are we doing this correctly? If so I'm all in! We hopefully will have power tomorrow, but I'm currently dumping 10 gallons of gas a day @ $4. Even if its the same $40 and I don't have to find gas, dump it and count watts( currently running a 5000 portable gas) then I may have to seriously consider this. Although I can't decide between the generac or the kohler 20kw.
Any input?
I didnt loose power this time, but Gustav took me out for 13 days. After dealing with gas acquisition and storage I've been looking really hard at a natural gas gen set. I looked at my gas bill from April, it was the first one I found, and the cost from entergy is $.272 per hundred cuft so on one of the liquid cooled 22kw generacs you are looking at 316 cu/hr consumption. So you are looking at 86 cents per hour or ~$20.65 per day to run at max load. My current gen set runs 15 gallons per day at load, picking average cost of say 3 dollars a gallon for gasoline the Gas gen set costs 45 dollars per day in fuel cost. Compared this way nat gas seems reasonable to me.
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Your math looks correct to me.
We have the gas line ran to a pad behind our garage by the electric meter. We are looking to get a 20 Kw with a transfer switch. It won't power all of our house (we have three central A/C units) but alternating them it can be done easily. From what I'm reading Generac would be a good choice.
Specularius
Well-Known Member
Charles, be sure and get one with a liquid cooled engine. They are much more fuel efficient than the gen sets with the lawnmower type engines. They are also very quiet compared to the lawnmower type engines.
Suburbazine
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The other thing I would mention is that the NG engines stagger a bit more than diesel when they get load dropped on them unexpectedly. It's really just a torque difference.
The NG Generacs that I can hear around here get LOUD under load compared to a diesel of the same size.
The NG Generacs that I can hear around here get LOUD under load compared to a diesel of the same size.
That is why we put them outside. I will have my windows closed and the lights and the A.C. and the TV on. Probably won't hear it at all.
I just got my NG bill in that included Isaac. For me running my generator for 5 days (110 hrs) my NG bill increased just $22 over my normal bill. No matter what math you use you can not beat the conveince and price of using a trifuel kit on a generator. That would have been well over $230 in gasoline for my 5.6kw/ 10hp generator for the same time period not counting me waiting in line and tracking down a gas station.
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