03:11AM | 05/25/05
Member Since: 07/28/04
60 lifetime posts
I have a home that had just the small square vents at the top of ridgeline for ventilation. I added a power vent since I had poor ventilation in the attic.Then a few years went by and I had a new roof put on. The roofer had a Ridge vent installed to help out. I recently talked with another roofer and he said that a ridge vent and power vent working together is not good. Can anyone elaborate?thanks.


03:56PM | 05/25/05
Member Since: 03/27/05
95 lifetime posts
I wouldn't worry about it to much. Residential ventilation seems to me to be part science and some part hypothises. Have read conflicting views on the matter in trade publications.

"THEY SAY" a ventilation system should be properly designed/configured in certain ways or the "system" gets "confused".

I think between your ridge vent, and your power vent, you're probably getting fine long as you have an equal amount of inlet air comming in from soffit vents, etc.

A roof CAN be your friend


10:39AM | 12/06/16
DO NOT COMBINE Ridge Venting with any power venting what so ever. I do not believe in ridge venting as it works the same as turbine vents in that when the wind blows across them it creates a vacuum to draw air out. They do not work as well as a power vent which I do not believe in either due to noise, cost as well as fire hazard. Solar is the only way to go as it is quiet, no cost after installation and no risk of fire.
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