Bruce Griffing
Titanium
- Joined
- Jan 1, 2003
- Location
- Temple, Texas
Title says it - should I install a powered roof vent or is there another approach? If so - any quality products?
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turbine ventilator no need to run a power line inside a 150 degree attic. the hotter it gets the better it works.
For a hip roof the classic is a cupola with louvers on all four sides.
Bill D
Turbine ventilator? I take it you either have a dozen of them or never go in the attic, those things are next to useless.
14" is rated at around 700 CFM. I have three on my house. they do vent more then a 14" hole since the fan acts as a pump. Even in still air it will rotate if there is enough heat difference inside/outside.
Bil lD
You asked for alternatives so here goes.
When I was growing up in New Orleans (heat, humidity to the max), before air conditioning, we had a whole house ventilation fan installed in a central hall. It blew air into the attic and then outdoors from a large vent on the porch. That cooled both the house and the attic.
Yup, my grand dad had one of those. It was a big fan in a small house. When it was on it was hard to open the front door if a window was not opened first---a fact he enjoyed demonstrating even though the whole idea was, obviously, to have the windows open for maximum draft. It was very effective. I have a 110 powered gable fan that makes a huge difference. It is thermostatically conrolled. (Unfortunately it does not affect opening the front door! ) Seeing what that fan did for my house, my neighbor recently added one to his.
Denis
Added: Oh yah, my entire hose is solar powered, not just the fan.
better design can make your roof and attic act like an umbrella rather than a toaster oven.
Denis
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