1.   Five years ago, Sumerset Houseboats started using side vents to air out generator exhaust.

2.   If you do not use a power vent, then make sure you have a good draft up the chimney.

3.   It is OK with clapboards, because fewer vents are used.

4.   Smith uses high vents, low vents, and a door vent to keep air circulating during his cool, high-plains summer in Wyoming.