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I am getting a new roof installed next week. Currently my house has ridge vents with perforated soffits. The problem I have is with the design of my roof, there isn't much of a ridge, so I dont believe there is enough ventilation. I wanted to add an attic fan, but I know that can cause issues with the ridge vents. What is the best way for me to increase ventilation?

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    Pictures would help to know what you've got currently.
    – Michael Mior
    Commented Jun 12 at 17:15
  • Can the whole attic vent from the ridge vent or is some blocked?
    – crip659
    Commented Jun 12 at 17:24
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    What issues are caused by having an attic fan along with a ridge vent? We have a solar attic fan with built-in thermostat and the last roofing job added a ridge vent. No obvious problems, but such things are not often obvious, I surmise.
    – fred_dot_u
    Commented Jun 12 at 17:46
  • You don't "believe" you have enough ventilation - have you done the calculations to determine how much ventilation you actually need? It's a pretty simple calculation, and it's considerably less than you'd expect. I was shocked at how little is recommended...
    – FreeMan
    Commented Jun 12 at 18:36
  • Attic temperature readings are better than calculations anyway. Stick a remote weather unit in there and see what happens. Maybe there's no problem.
    – isherwood
    Commented Jun 12 at 19:28

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  • Functional, not just decorative cupola(s)

Cupola vent image source no endorsement implied

  • Tubine vent(s)

Turbine vent image source no endorsement implied

  • Scoop vent(s) (may have other names)

Scoop vents image source no endorsement implied

  • Solar or non-solar forced fan vents

solar fan vent Image source no endorsement implied

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  • After a few years, you find out how many neighbours have shotguns with turbine vents, unless you do it first.
    – crip659
    Commented Jun 12 at 23:47

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