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Posted by Jack on July 2, 2007, 6:44 pm
I have a hip-roof colonial. The attic is about 1100 sq ft. There is a
ridge vent across the top of the roof, plus soffit venting all the way
around. In the attic, there is a heating/cooling system. During the
summer, it gets unbelievably hot, which really affects the cooling ability
of the system.
.
I have googled this issue, and it seems that power roof vents are not the
way to go to lower the temperature. If I can't use a power vent, what are
the options ?
.
Thank you for your time.
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Posted by ValveJob on July 2, 2007, 7:52 pm
>I have a hip-roof colonial. The attic is about 1100 sq ft. There is a
>ridge vent across the top of the roof, plus soffit venting all the way
>around. In the attic, there is a heating/cooling system. During the
>summer, it gets unbelievably hot, which really affects the cooling ability
>of the system.
>.
>I have googled this issue, and it seems that power roof vents are not the
>way to go to lower the temperature. If I can't use a power vent, what are
>the options ?
>.
>Thank you for your time.
You did a poor job of googling. Lots of people including myself
have lowered the electric bill and the temp of my attic using a power
vent in addition to my ridge vents in my hip roof.
How many linear feet of ridge vent do you have?
Well thats not enough. You can supplement the ventilation with
power vents.
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Posted by Jack on July 2, 2007, 9:15 pm
What I have read is the power fan is not recommended because it can pull too
much air from inside the house, including the nice air-conditioned air. In
addition, my air-conditioning unit is in the same blistering hot attic I am
trying to cool down.
.
There seem to be differing opinions on the power vent vs turbine. This
newsgroup is very good at this stuff due to the experience level of the
posters here. Hence the reason for the question.
.
Thank you.
>
>>I have a hip-roof colonial. The attic is about 1100 sq ft. There is a
>>ridge vent across the top of the roof, plus soffit venting all the way
>>around. In the attic, there is a heating/cooling system. During the
>>summer, it gets unbelievably hot, which really affects the cooling ability
>>of the system.
>>.
>>I have googled this issue, and it seems that power roof vents are not the
>>way to go to lower the temperature. If I can't use a power vent, what are
>>the options ?
>>.
>>Thank you for your time.
>
> You did a poor job of googling. Lots of people including myself
> have lowered the electric bill and the temp of my attic using a power
> vent in addition to my ridge vents in my hip roof.
>
> How many linear feet of ridge vent do you have?
>
> Well thats not enough. You can supplement the ventilation with
> power vents.
>
>
>
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Posted by CJT on July 2, 2007, 10:22 pm
Jack wrote:
> What I have read is the power fan is not recommended because it can pull too
> much air from inside the house, including the nice air-conditioned air. In
> addition, my air-conditioning unit is in the same blistering hot attic I am
> trying to cool down.
> .
<snip>
Don't confuse "whole house attic fans" (which draw interior air into the
attic) with "attic ventilation fans" (which draw from e.g. gable to
gable or soffit to roof). You shouldn't be pulling any appreciable
amount of interior air into the attic with the latter -- if you do, you
have inadequate sealing.
--
The e-mail address in our reply-to line is reversed in an attempt to
minimize spam. Our true address is of the form che...@prodigy.net.
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Posted by Proctologically Violated©® on July 2, 2007, 8:28 pm
That's a big attic--is that the floor area, or the roof area (both faces)?
I have an attic of about that floor area, w/ a crappy mushroom fan. I
insulated between the joists w/ fiberglass, covered by 1/8" paneling, which
made all the difference in the world.
And, essentially no other venting. The teeny ones that were there were
covered, and instead I crack the attic door/ladder to vent the warm air
rising to the top floor from the house.
The fan is on a thermostat.
A small A/C, about 6,000 btu, makes the space entirely inhabitable in the
summer, ditto a small dehumidifier in the winter.
In the winter, I put a piece of paneling over the fan opening.
I personally don't understand the hyper-venting of attics. At least not in
the context of good insulation.
Insulation roolz.
--
------
Mr. P.V.'d (formerly Droll Troll), Yonkers, NY
Stop Corruption in Congress & Send the Ultimate Message:
Absolutely Vote, but NOT for a Democrat or a Republican.
Ending Corruption in Congress is the *Single Best Way*
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The Solution is so simple--and inexpensive!
entropic3.14decay at optonline2.718 dot net; remove pi and e to reply--ie,
all d'numbuhs
>I have a hip-roof colonial. The attic is about 1100 sq ft. There is a
>ridge vent across the top of the roof, plus soffit venting all the way
>around. In the attic, there is a heating/cooling system. During the
>summer, it gets unbelievably hot, which really affects the cooling ability
>of the system.
> .
> I have googled this issue, and it seems that power roof vents are not the
> way to go to lower the temperature. If I can't use a power vent, what are
> the options ?
> .
> Thank you for your time.
>
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