- run 2 20 amp dedicated 120v lines from the main electrical panel, across the basement, up through two floors of drywall and into the attic, to go and drop down in the back and side bedroom for window ac units. -drywall damage will need to be done to get between floors, and down from the attic, as well as any blocking that is in the walls. - install 2 20 amp br breakers to power the 2 dedicated lines, with the units plugs having built in gfci protection on them. -we will cut in and install a dedicated outlet in each of the respective rooms, next to where the window ac’s are sitting and will need to be plugged into.