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Heating duct to attic?

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Heating duct to attic? John91 01-03-2008
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Posted by John91 on January 3, 2008, 1:41 am
It's about my 40-yr old 2-storey house in midwest Canada. After taking off
part of basement ceiling, I found something weird with a heating duct. It
runs up from basement to main floor along an exterior wall (built into the
fiberglass insulation), and maybe further up to the second floor, and to
attic??? I'm sure no heating vent in the house uses this duct. I just can't
figure out where is goes. It sends hot air to attic to do heating? possible
for an old house?

please help solve the mystery. Thanks.



Posted by JoeSpareBedroom on January 3, 2008, 11:29 am
> It's about my 40-yr old 2-storey house in midwest Canada. After taking off
> part of basement ceiling, I found something weird with a heating duct. It
> runs up from basement to main floor along an exterior wall (built into the
> fiberglass insulation), and maybe further up to the second floor, and to
> attic??? I'm sure no heating vent in the house uses this duct. I just
> can't figure out where is goes. It sends hot air to attic to do heating?
> possible for an old house?
>
> please help solve the mystery. Thanks.
>


You said "to attic???" That's a question only you can answer. Have you gone
up in the attic to take a look?

Separate question: On the 2nd floor, where are the heat vents? Floor? Wall?
Ceiling?



Posted by John61 on January 3, 2008, 1:32 pm

>> It's about my 40-yr old 2-storey house in midwest Canada. After taking
>> off part of basement ceiling, I found something weird with a heating
>> duct. It runs up from basement to main floor along an exterior wall
>> (built into the fiberglass insulation), and maybe further up to the
>> second floor, and to attic??? I'm sure no heating vent in the house uses
>> this duct. I just can't figure out where is goes. It sends hot air to
>> attic to do heating? possible for an old house?
>>
>> please help solve the mystery. Thanks.
>>
>
>
> You said "to attic???" That's a question only you can answer. Have you
> gone up in the attic to take a look?

good question. From the manhole, I treid to look at that direction and find
something with a flahslight. but hard to see as there's pretty thick
insulation. Don't want to crawl in there, I'm very sensitive to the fiber.

> Separate question: On the 2nd floor, where are the heat vents? Floor?
> Wall? Ceiling?

If it runs on the 2nd floor, must still be the rectangle shape duct, inside
the exterior wall. The hot air duct in basement changes to the rectangle
when turning up into the wall at the basement header.



Posted by JoeSpareBedroom on January 3, 2008, 1:38 pm
>
>>> It's about my 40-yr old 2-storey house in midwest Canada. After taking
>>> off part of basement ceiling, I found something weird with a heating
>>> duct. It runs up from basement to main floor along an exterior wall
>>> (built into the fiberglass insulation), and maybe further up to the
>>> second floor, and to attic??? I'm sure no heating vent in the house uses
>>> this duct. I just can't figure out where is goes. It sends hot air to
>>> attic to do heating? possible for an old house?
>>>
>>> please help solve the mystery. Thanks.
>>>
>>
>>
>> You said "to attic???" That's a question only you can answer. Have you
>> gone up in the attic to take a look?
>
> good question. From the manhole, I treid to look at that direction and
> find something with a flahslight. but hard to see as there's pretty thick
> insulation. Don't want to crawl in there, I'm very sensitive to the fiber.


Everybody is sensitive to fiberglass, except macho liars who claim they
aren't. Put on a long sleeve shirt with rubber bands around the sleeves. Put
rubber bands around the ankles of your pants. Put on a breather mask, hat
and gloves. When you're done looking around, head straight for the washing
machine and wash the clothing with cold water.

However, check out DerbyDad's suggestion first - probing with stiff wire
from various locations.


>> Separate question: On the 2nd floor, where are the heat vents? Floor?
>> Wall? Ceiling?
>
> If it runs on the 2nd floor, must still be the rectangle shape duct,
> inside the exterior wall. The hot air duct in basement changes to the
> rectangle when turning up into the wall at the basement header.

That doesn't answer my question. Someplace on the 2nd floor, heat comes out
of holes. Where are those holes? Floor? Walls? Ceiling?



Posted by Paul Oman on January 5, 2008, 6:09 pm
John91 wrote:
> It's about my 40-yr old 2-storey house in midwest Canada. After taking off
> part of basement ceiling, I found something weird with a heating duct. It
> runs up from basement to main floor along an exterior wall (built into the
> fiberglass insulation), and maybe further up to the second floor, and to
> attic??? I'm sure no heating vent in the house uses this duct. I just can't
> figure out where is goes. It sends hot air to attic to do heating? possible
> for an old house?
>
> please help solve the mystery. Thanks.
>
>
probably there to help prevents ice dams from forming on the edge
of the roof during winter!

paul oman

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