To replace the old, drab storm door, Old House Handyman received a new one from his wife for Christmas, and it was needed.
Get an incense stick and light it. If the smoke goes out horizontally when you hold it next to a window or door, you need upgrades.
The Family Handyman on MSN3mon
The Pros and Cons of Wooden Front Doors
But, you can improve a wooden front door's efficiency with proper installation, including caulking and weatherstripping.