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Old 02-16-2009, 01:10 AM   #1
rabeb25
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Default Help With Exhaust

So, I am thinking about re-doing my exhaust system in the brewery. Its gets a bit hazy/full of steam during the brew and I want it to not smell into the house from the brew room. I have a standard range hood over it now, but I am thinking I either need a cone/hood over the BK, or re-do the whole system.. I would love idea's from others who brew inside here are some details you may need...

All electric only need to vent steam.
Brew in my utility room with my furnace and water heater being NG
Have a 8" cold air intake into the room

Thats about all I can think of, let me know if you need any other details..
I am pretty handy, but I am about out of ideas!
Thanks
Bryan

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Old 02-16-2009, 01:51 AM   #2
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If I was you I would fashion a big rectangular hood from sheet metal and attach it to a giant duct system with an inside tube fan. Im not sure what exactly those fans are called.

This is what I am thinking of doing anyway.

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Old 02-16-2009, 01:54 AM   #3
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Rev, are you planning an exhaust system to run your burner in your basement?

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Old 02-16-2009, 02:20 AM   #4
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I just run a fan across my BK on low to disperse the steam. I run a dehumidifier in the basement. So far so good. (All electric brewing)

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Old 02-16-2009, 12:36 PM   #5
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Since you already have an exhaust fan and it is not cutting it, you need to do 2 things.

1. Capture the steam with a bigger hood. This will make any fan more effective
2. Increase the CFM rating of your exhaust system. Your current exhaust fan should have a CFM rating for each speed. Try to double that.

You can go with a commercial kitchen vent, or you could try a couple of those vent boosters they sell for putting inline on your furnace runs to help boost the heat or A/C getting to a room.

I may look into boiling all electric in my basement in the near future as well.

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Old 02-16-2009, 12:55 PM   #6
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Another thought, you may want to duct your cold air intake to a spot directly below your kettle. This will make the draft flow directly from the cold air intake to your exhaust fan and hopefully capture the most amount of steam.

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Old 02-16-2009, 02:06 PM   #7
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Guys - read OP

Quote:
All electric only need to vent steam.
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Old 02-16-2009, 02:14 PM   #8
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Quote:
Originally Posted by rabeb25 View Post
...I have a standard range hood over it now, but I am thinking I either need a cone/hood over the BK, or re-do the whole system.. ...
Is your range hood passive or forced air?

Is the hood currently over your BK?

Seems to me that there isn't enough suction to both yank the steam out of the room and pull fresh air in. An 8" intake seems like it would be big enough if there were enough suction.

Before you go making permanent mods, you might try rigging a standard box fan up in your hood (clamps, zipz ties or whatever to hold it in place), and see if that is enough pull to keep the air fresh and the moisture down.
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Old 02-16-2009, 02:46 PM   #9
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You don't need a fresh air intake if you are all electric. no CO to get rid of. I thought about hoods and various ideas, but so far just running a dehumidifier and using a fan to disperse the steam has worked for me over a year. I suppose I should really use a vent, but evaporating a gallon in an hour doesn't seem to hurt anything once a week or so. My ceiling in my brew room/kitchen is bone dry.

I had thought about just using a 12x12 HVAC-style intake vent in the ceiling and using a booster fan like others had mentioned - could all be done for less than $50, but what I do now seems to work...

Sitting next to my silent boil kettle right now brewing a kriek.

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Old 02-16-2009, 04:09 PM   #10
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Quote:
Originally Posted by Nurmey View Post
Rev, are you planning an exhaust system to run your burner in your basement?
I would be for venting steam only. If i brew in the house I will augment a stove so that it has 4 large burners close together. I am too paranoid to run NG or propane in my house like that.
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