What size generator would be needed to run home of 1800 square feet? What size for lighting only? min. rpm's (on generator)for each application? Torque required to started this generator? Torque required to keep it running?

I have a kohler gen. 7000 watt in a 1985 RV I think it is overheating If I run one AC it the head temp is 245 to 265 and on the next AC it will go up too 325 or 330 in about 15 or 20 min. and shuts down .

I have a Coleman Powermate Generator 6250 that a couple of weeks the ON/OFF switch Went bad (rocker type switch,hung in middle).Parts for Powermate generators or hard to Find as I understand that went out of business.The question is the old switch had three Terminals L(-) with wire attached 3(-)...

Anyone have any feedback on Guardian Standby Generators? Here's a link from a web site about what I'm talking about. Guardian 10 kW Emergency Power System 05241 @ Electric Generators Direct.com - Your Online Portable Power and Home Standby Generator Superstore

I know there are a few threads about this but I wanted to clarify the answers for myself. First of all, we live in an area that has a high water table. I also heard the power goes out quite frequently. If that happens and our sump pump isn't able to work... well our basement will be in about 3-4...