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Energyvanguard power attic.
An attic that s brought inside the building enclosure is a beautiful thing.
Here in the southeastern us open cell is most often the spray foam of choice.
The new energy code that went into effect in georgia this year dealt a body blow to the power attic ventilator industry.
Whether you re a home or business owner we can help.
Energy vanguard this powered attic ventilator in a gable wall was one of eight in that attic.
A better way to reduce the attic temperature is to go after the source the radiation constantly blasting the attic from the bottom of the roof deck and rafters.
These are real problems from real houses that have really happened.
Move over powered attic ventilator.
Power attic ventilators can cause problems even without air conditioning.
In fact the home power article states that a typical 250 watt fan would use 180 kwh per month if run continuously.
These attic fans can move a lot of air through an attic but that doesn t have much effect on the radiant heat flow.
Attic power ventilators are simply not worth the cost and effort.
Powered attic ventilators are the worst way to try to keep your attic cool.
Then they moved from passive to active and latched onto the powered attic ventilator.
One potential problem would be sucking moist moldy air up from the crawl space intothe house.
Gable vents ridge vents turtlebacks and whirlybirds.
For decades concerned homeowners have looked for ways to keep their attics cool.
Sources such as the billings gazette energy vanguard and home power all have articles that essentially say the same thing.
This is most often done with spray polyurethane foam spf insulation either open cell or closed cell.
Another would be backdrafting a water heater and putting carbon monoxide in the house.
Power attic ventilators banned by new georgia energy code.
They re going after the air but the air is hot only because all the solid materials are hot.
That s one reason power attic ventilators aren t a good solution.
There s a new boss in town.
But there s really a more fundamental reason that power attic ventilators won t help a lot and for some reason i didn t mention that in the original article.
And it s part of the reason that my state georgia has banned power attic ventilators unless they re solar powered which was a concession needed to get the grid powered fans banned.