In addition to the cayenne and ACV - Certainly keep up with garlic. Perhaps make yourself some supertonic.
Monthly echinacea (2 oz over 2 days or so) would be a must.
And if it is heavy mold - a mask might help as well. I'd personally flush my sinuses with a Grossan HP100 Hydro Pulse Nasal/Sinus Irrigator from http://committed.to/bestdeals