The short answer is "Yes," but there are several reasons:
- Good ventilation creates a cooler attic in the summer
- An overheated attic, combined with moisture, can be damaging to roof decking and roofing shingles, causing them to distort and deteriorate prematurely
- Good ventilation creates a drier attic in the winter and helps prevent ice dams
Good ventilation serves two main functions:
1. Moves hot air next to the roof deck out of the attic in the summer
2. Dilutes and removes the moist air in the winter before it can cause damage