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direct vent vs. vent free gas fireplace

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direct vent vs. vent free gas fireplace Jeff Dieterle 11-25-2007
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Posted by Jeff Dieterle on November 25, 2007, 8:41 am
I'm planning to install a gas fireplace. Fortunately the location has direct
access to an unused flue on my chimney. What are the pros & cons of direct
vented vs. vent free, I haven't been able to find much on the web beyond the
fact that vent free will add moisture.



Posted by Joseph Meehan on November 25, 2007, 11:22 am
It will also heat better, but as noted it may have an odor. Don't
assume that the available vent is suitable for the fireplace. Have it
checked by someone who really knows first.

> I'm planning to install a gas fireplace. Fortunately the location has
> direct access to an unused flue on my chimney. What are the pros & cons of
> direct vented vs. vent free, I haven't been able to find much on the web
> beyond the fact that vent free will add moisture.
>


--
Joseph Meehan

Dia 's Muire duit




Posted by Jeff Dieterle on November 26, 2007, 10:45 am
Which it will heat better. What do you mean specifically by don't assume the
vent isn't suitable? It's a clay tile lined chimney inside concrete block
veneered with brick.

> It will also heat better, but as noted it may have an odor. Don't
> assume that the available vent is suitable for the fireplace. Have it
> checked by someone who really knows first.
>
>> I'm planning to install a gas fireplace. Fortunately the location has
>> direct access to an unused flue on my chimney. What are the pros & cons
>> of direct vented vs. vent free, I haven't been able to find much on the
>> web beyond the fact that vent free will add moisture.
>>
>
>
> --
> Joseph Meehan
>
> Dia 's Muire duit
>
>
>



Posted by Joseph Meehan on November 26, 2007, 2:57 pm


> Which it will heat better.

Define better. :-) non-vented will use less fuel to create the same
amount of net heat. It may or may not heat faster.

> What do you mean specifically by don't assume the vent isn't suitable?
> It's a clay tile lined chimney inside concrete block veneered with brick.

The exhaust of a gas burner is different than that from wood, for
example. What works well for one may not work well for another. One factor
is the size of the flue. You don't want too small, but you also don't want
too large. There are several factors and the best (best as in safest) is to
have a professional check it out. I would want to do that anyway if it has
not been done for a while, just to make sure there are no defects.

>
>> It will also heat better, but as noted it may have an odor. Don't
>> assume that the available vent is suitable for the fireplace. Have it
>> checked by someone who really knows first.
>>
>>> I'm planning to install a gas fireplace. Fortunately the location has
>>> direct access to an unused flue on my chimney. What are the pros & cons
>>> of direct vented vs. vent free, I haven't been able to find much on the
>>> web beyond the fact that vent free will add moisture.
>>>
>>
>>
>> --
>> Joseph Meehan
>>
>> Dia 's Muire duit
>>
>>
>>
>
>


--
Joseph Meehan

Dia 's Muire duit




Posted by Phisherman on November 30, 2007, 3:17 pm
On Sun, 25 Nov 2007 07:41:38 -0600, "Jeff Dieterle"

>I'm planning to install a gas fireplace. Fortunately the location has direct
>access to an unused flue on my chimney. What are the pros & cons of direct
>vented vs. vent free, I haven't been able to find much on the web beyond the
>fact that vent free will add moisture.
>

Can't list the pros and cons. My thoughts are that anything that is
burning needs to be vented. Check out your chimney to make sure it is
in good condition. My gas fireplace is side-vented to the
outside--unfortunately, I have no chimney. Currently, I have the
fireplace stuffed with insulation (I havn't turned it on in over 8
years) because it creates a cold draft.

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