>Come back!!!
>You've BEEN thru a SHTF...details!!!!
What kind do you want? We lived off-grid for about three weeks. I wouldn't advise it, especially the bit with only 1 window unit for a house in Louisiana in 98 degree weather.
However. If you have natural gas to your house, a natural gas generator (some also run on propane) is a great thing. Most of the other people nearby were running on gasoline generators, which require someone driving out to the nearest gas station, waiting in a mile long line, filling gas cans, etc. We didn't get gas trucks stopping by locally for about a week and a half. (When they started coming, people would stalk them, and call family and neighbors "Psst! there's gas at the Shell up the street!")
With a generator you get refrigeration, and do not have to eat nonperishables and MREs. You can also watch TV, which leaves you better informed than your neighbors who can only listen to the radio because they don't have enough juice.