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p220sigman's avatar
p220sigman
Explorer
Jan 24, 2020

Dual Fuel Generators

Starting the research phase of getting a "portable" dual fuel (LP/gas) generator for emergency back-up power for the S/B house. Any thoughts or experiences I should be considering? I say "portable" because I want the option of moving it around the yard or transporting (roll onto a trailer), but wouldn't be lifting it into a vehicle or taking camping. I want dual fuel because I have 5 portable propane tanks that can supplement the amount of run time I would have on just straight gas. Unfortunately, when there is an emergency here (usually hurricane), power can be out for a week or more and gas can be difficult to reliably get.

My plan right now is to get as powerful one as I can afford and put in a transfer switch to run most/all of the house with maybe the exception of the heat pump. We are on a well, so it is critical that I be able to run that. Looking to spend 800 to 1.2K on the generator.

I would love to just do a whole house automatic standby, but that just isn't in the budget. Plus, the "portable" can move with us.
  • I would stick to gasoline. The five portable tanks would not last for a week, unless you start and stop for every use.

    I think the budget is on the low side.

    If the well pump is 120 volts, my choice would be either Harbor freight 3000 watt electric start, or Champion 3400 watt with remote electric start.
  • I was a mechanic and had a lot of problems with a dual fuel setup in our forklift. The gas was used as backup to get back to the shop if they ran out of fuel but tended to go stale because of infrequent use. The propane also dried out the carburetor gaskets so gas leaked everywhere when switched over. I finally switched to straight propane, cost was about the same as fixing theold system.

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