I thought did the right things to get rid of the smell, Bought a 4" inline fan with tallboy carbon filter from Htg supply, still had the smell, seeing as the fan pulls out 170 cfms, I thought maybe it was not letting the particles stick to the carbon so bought a rheostat to regulate the speed of the fan, started at high cleared the house of the smell but wreaked outside where the vent was so I worked down to low side of low & it still wreaks out the vent. The system is only a month old, the filter boasted 12 - 18 months of use before having to replace it. If I remember correctly I think it worked fine for a couple of weeks when I first hooked it up. Any input would be appreciated.
Hmmm....where does it smell? Seriously. In the output stream or in the room?
I am sure the booster fans are not any good. The physics are all wrong for primary use. They are meant to boost an airflow after a corner or the end of a long run to keep the flow speed up.
I really doubt you are getting 170 cfm. I will bet a tall boy needs 600 cfm. My carbon can is 3 feet tall and 8" across. I have a 6" axial fan at 600 cfm for that.
Then I use the speed controller to adjust the flow down.
Can you feel a flow with the back of your hand at the carbon face?
So, if you mean you can smell it still outside the room, get a bigger puller on the carbon. You need more air tansit.
I've had this filter for almost 3 years now. It still works fine. Room is a bit dank, but no where else.
