Most professionals would put the “normal” range of humidity in a home somewhere between 30 and 40 percent. Under these conditions, newly installed storm windows shouldn’t be having problems with excessive condensation.

Related:

  1. Are storm windows necessary for homes in mild climates?
  2. Is there a program or system which will tell me what length (8′ or 10′) 1×3 lumber to get for making storm windows?
  3. What type of window is this?
  4. Can I install storm door on the door frame?
  5. Where to attach a storm window?