Just an FYI for you since you are "out West". I have problems with my Champion Inverter generator at high altitudes. It loses power fast and at really high altitudes, it doesn't run at all. Honda has a fix for this issue but, as far as I know, Champion still does not.
2012 Eagle Super Lite HT 26.5RKS
2005 GMC 2500 SLT HD D/A