I think it’s hard to beat a powered gable vent or roof vent. If one is purchased with a built in thermostat and/or humidistat your golden.
Make sure to cover the intake side of fan with a piece of 1/2”x1/2” hardware cloth.
The added benefit of the mushroom fan in the winter time is the opening has been enough to allow any moisture to escape keeping humidity levels in check all winter long.


Make sure to cover the intake side of fan with a piece of 1/2”x1/2” hardware cloth.


The added benefit of the mushroom fan in the winter time is the opening has been enough to allow any moisture to escape keeping humidity levels in check all winter long.