Apply plastic shrink wrap to the inside glass of the window, either by aid of adhesive or a blow drier. Be sure to fit the wrap from edge to edge on each pane of the glass.
Apply tubing or rubber sealing to any exposed cracks or crevices in the window. Measure and cut the tubing to the appropriate length and apply to indoor window edges and sills.
Hang thick, layered curtains along each window. Specially made blinds and shades can also be used to defeat drafts.
Measure the door length and fit a fabric snake along the door bottom. Rolled up towels or rice-filled tubes can also be used.
Install a storm door. Have it professionally fitted and installed to ensure maximum draft and weather protection.
Apply plastic shrink wrap to any glass display windows. But be sure measurements are precise and plastic is adhered without wrinkles.