Got a New Toy for My Growroom...

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Originally Posted by GaGrown

Hey!
Something came to mind after a day or so.. I would see no reason why you could'nt put a filter on the intake as well as the exhaust. I would use a Hepa on the intake if I did that. Just a thought...

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Actually, I have had mine after the fan and it is currently before the fan so it is easier to use the prefilter (which can be washed). BUT I am thinking that to have the prefilter on the intake side and the out side have the carbon so I get the additional noise reduction, as I am getting way weary of the sound of the fan. It just means making a wire tube for the intake side, and I been lazy the last couple weeks due to the flu and dental stuff. Soon and maybe I will do a how to at the same time????

WashougalWonder,
I would be very interested in reading your ventilation how to.
I am planning on redoing my exhaust after this grow, hoping for better efficiency and noise reduction.

I have also been doing some research on how to limit the noise factor. The most common census I have found is to use insulated duct. The kind that has the insulation open on the inside of the duct.
From what I've read normal ducting just bounces sound through the duct. While the fiberglass insulated absorbs the sound.

Thought this might help. :hippy:

Not to be a dick but Ozone is O3! :D

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Originally Posted by tikiroom

WashougalWonder,
I would be very interested in reading your ventilation how to.
I am planning on redoing my exhaust after this grow, hoping for better efficiency and noise reduction.

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Many noise issues result from fan vibrations that rattle drywall, trim, etc. against wall studs and ceiling joists which in turn resonates throughout the house. When I built my room I used silicon on every stud, joist, etc. - anywhere two pieces of material touched. I also left dead space between the insulation and the ceiling drywall. It has paid off. My room is nearly silent, except for some exhaust noise which I deadened with a home made muffler.

I love fan issues. It was one of my biggest concerns. I'll tag along!

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Originally Posted by tikiroom

I have also been doing some research on how to limit the noise factor. The most common census I have found is to use insulated duct. The kind that has the insulation open on the inside of the duct.
From what I've read normal ducting just bounces sound through the duct. While the fiberglass insulated absorbs the sound.

Thought this might help. :hippy:

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Well consider this, the fiberglas is added friction so it will reduce the total volume. Not only that, those fibers will break and be blown to whatever is at the end of the duct and if a filter will eventually plug it up.

My noise comes from the fan itself and by putting the CF on the exit side I got 75% noise reduction and on the intake side only 50%. The exit side is the part I want quieter.

GAGrown, not trying to hijack the thread here.....will do my own when I get this going.

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Originally Posted by KaptainKron

Not to be a dick but Ozone is O3! :D

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Your very right!:thumbsup: But the issue I have with it is it can be smelled and identified as o2. Rasie the red flag!

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Originally Posted by GaGrown

Your very right!:thumbsup: But the issue I have with it is it can be smelled and identified as o2. Rasie the red flag!

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LOL@ raise the red flag. I hear you, GG. The noise is a real issue and with AK47 you have to control those odors big time! Too bad there isn't some mechanical type person working on a solution to the noise they produce. Maybe soon there will be?

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Originally Posted by WashougalWonder

Well consider this, the fiberglas is added friction so it will reduce the total volume. Not only that, those fibers will break and be blown to whatever is at the end of the duct and if a filter will eventually plug it up.

My noise comes from the fan itself and by putting the CF on the exit side I got 75% noise reduction and on the intake side only 50%. The exit side is the part I want quieter.

GAGrown, not trying to hijack the thread here.....will do my own when I get this going.

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Your GOOD,Brutha!:thumbsup: That's info, people need to know! Let me share this with ya,about fans. They work on the same principle as, "It's easier to push than it is to pull." Objects that is... Air is just the opposite. The reason your noise was reduced.. Was because your using only half of your intended CFM.. Because your building up static pressure in your can filter.It backs up and turns to negative pressure resulting in cfm loss and compromises the intentended use of the filter. I love ventilation issues as well.:thumbsup:

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Originally Posted by Lynhal

LOL@ raise the red flag. I hear you, GG. The noise is a real issue and with AK47 you have to control those odors big time! Too bad there isn't some mechanical type person working on a solution to the noise they produce. Maybe soon there will be?

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Theres alot you can do to calm a fan down and still get every CFM you can out out of. My fan is outside the room. and under the floor.So everthing vent to the outside and slowly flows out of the underpen vents. Fan sits on the ground.

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Originally Posted by GaGrown

Your GOOD,Brutha!:thumbsup: That's info, people need to know! Let me share this with ya,about fans. They work on the same principle as, "It's easier to push than it is to pull." Objects that is... Air is just the opposite. The reason your noise was reduced.. Was because your using only half of your intended CFM.. Because your building up static pressure in your can filter.It backs up and turns to negative pressure resulting in cfm loss and compromises the intentended use of the filter. I love ventilation issues as well.:thumbsup:

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I need to try and modify to be able to get the same results as you are. When these babies go into flowering, they stink up my place even with controlling devices. The product that is the result, is well worth it, but have yet to be able to disguise the scent totatlly. Although, luckily I don't have many people coming over to visit. ;)