Soffit and ridge vents are pretty restrictive and will have a hard time handling large amounts of air. Adding a gravity gable damper might be a good option...just make sure you have the damper capacity matches the fan size.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
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Silver Spring, MD