On Sunday, April 8, 2012 5:42:42 PM UTC-4, DerbyDad03 wrote:
I have heard that ridge vents only work well if there are wide soffits,
like 12" or more.

On houses with narrow soffits, box vents are recommended.

Any truth to this?

Huh, if your vents arent big enough they arent big enough no matter which you use.
Soffit material is available that basically turns the whole soffit into a vent.

Jimmie