Size the storm window frame three-quarter inch smaller than the window opening to leave room for foam weatherstripping to hold it in the opening. For the simplest construction, use 1-by-2-inch lumber.

— Dennis F. Dear Dennis: Installing exterior storm windows can be a wise choice for some homes, but they aren't an alternative to replacing old, leaky defective primary windows.

First, storm windows, if sealed well, reduce air leakage around your existing windows. Second, they create an additional insulating dead air space over your window.

Dear Jim: I want to install some exterior storm windows, but the prices are over my budget. I have more time than money now, so I could make them myself.

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 build ...

Exterior vs. interior: Storm windows install either outside or inside. In choosing between these approaches, aesthetics are perhaps the main consideration.

Dear Jim: I have double-paned 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 ...

You can make a DIY cold frame by stacking bricks against the south-facing wall of your home and covering the new garden bed with glass. I wanted a cold frame in my tiny Zone 5 garden, but I lacked ...