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Subject Author Date
Exhaust Odor mrks 10-15-2006
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Posted by mrks on October 15, 2006, 10:34 am
I have been having problems for the last 2 years with a burned exhaust
odor from the heat ducts when the furnace is running. It is more
noticable if I shut the furnace down before it reaches the temperature
that the thermostat was set for. I have had numerous technicians come
and check the furnace out, but they all say it is OK. I even replaced
the exhaust pipe to the roof, as well as the fuel lines just to make
sure they were not the cause of the problem. My furnace is a Miller
Kerosene furnace set up for 100,000 BTU's. It supposedly can be set up
for either 80,000 or 100,000. I'm wondering if 100,000 is too much for
the house, the old furnace was 100,000 but was also 20 years old and
not as efficient. Any thoughts on this situation would be appreciated.


Posted by on October 15, 2006, 11:09 am

>I have been having problems for the last 2 years with a burned exhaust
>odor from the heat ducts when the furnace is running. It is more
>noticable if I shut the furnace down before it reaches the temperature
>that the thermostat was set for. I have had numerous technicians come
>and check the furnace out, but they all say it is OK. I even replaced
>the exhaust pipe to the roof, as well as the fuel lines just to make
>sure they were not the cause of the problem. My furnace is a Miller
>Kerosene furnace set up for 100,000 BTU's. It supposedly can be set up
>for either 80,000 or 100,000. I'm wondering if 100,000 is too much for
>the house, the old furnace was 100,000 but was also 20 years old and
>not as efficient. Any thoughts on this situation would be appreciated.


your furnace is probably over-fired and consequentially the hx has
been breached. time for a new furnace, installed by a competent
installer who has performed a load calc to precisely determine what
size of furnace is req'd.

Posted by AKS on October 15, 2006, 4:27 pm

>I have been having problems for the last 2 years with a burned exhaust
> odor from the heat ducts when the furnace is running. It is more
> noticable if I shut the furnace down before it reaches the temperature
> that the thermostat was set for. I have had numerous technicians come
> and check the furnace out, but they all say it is OK. I even replaced
> the exhaust pipe to the roof, as well as the fuel lines just to make
> sure they were not the cause of the problem. My furnace is a Miller
> Kerosene furnace set up for 100,000 BTU's. It supposedly can be set up
> for either 80,000 or 100,000. I'm wondering if 100,000 is too much for
> the house, the old furnace was 100,000 but was also 20 years old and
> not as efficient. Any thoughts on this situation would be appreciated.


When was last time you have smoke stock clean
have you in any way block air make up to the area
where furnace is located
Dido



Posted by Bob_Loblaw on October 15, 2006, 10:30 pm
> When was last time you have smoke stock clean
> have you in any way block air make up to the area
> where furnace is located
> Dido

Dildo, please explain to rest of us how a dirty "smoke stock" will create
odours in the hot air plenum......
I assume it is just as complicated as your advice about closing the return
air on the second floor in order to cool it!


--
Respectfully, Bob

Posted by AKS on October 16, 2006, 4:09 pm
TO A MECHANIC IT is NOT NEEDED BE EXPLAIN
Dido

>> When was last time you have smoke stock clean
>> have you in any way block air make up to the area
>> where furnace is located
>> Dido
>
> Dildo, please explain to rest of us how a dirty "smoke stock" will create
> odours in the hot air plenum......
> I assume it is just as complicated as your advice about closing the return
> air on the second floor in order to cool it!
>
>
> --
> Respectfully, Bob



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