Thanks, in advance for you advice.
I live on South Dakota, Iowa and Nebraska board, so we have 98 degree days and -20 degree days. quite a spread.
I live in my dream home and it is small, a 1940 built 44 x 24 on basement with attached 8 x 10 on crawl space.
Im going to be redoing the single pain windows and with either triple or double Anderson Renewal windows and major interior work and replacing doors. and since I have to rip out interior walls and replace the windows and remove the dumb bells I figure I should just gut the old plaster and replace the drywall and do the insulation, I do not plan on doing the siding for another few years due to budget.
The walls did have blown in insulation done back in 1980 and was resided with foam board, so I believe replacing the windows would be the first place to save on energy, but since I'm doing the windows I might as well do the rest and it is a small house.
So what type of insulation, Batts, spray foam, foam board any help on with this would be great.
I want to prevent condensation and air gaps.