Various types of storm window can be installed outdoors or indoors to help insulate and block cold from existing windows. (Star-Ledger File Photo ) This is the time of year when old, drafty windows ...

Dear Jim: I think exterior storm windows would be good, but they are expensive. Will they improve window efficiency much? What is a low-cost simple design I can make myself? – Dennis F. Dear Dennis: ...

Dear Jim: I have double-pane windows, but I think it would still help to add some storm windows. I am planning to make them myself. Are interior or exterior storm windows best and how can I design and ...