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SaltPig
Joined: 02 Aug 2017 Posts: 3
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Link Posted: Wed Aug 02, 2017 10:01 pm Post subject: Basement Ventilation |
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Looking for some guidance. My basement is currently being finished and I want to make sure my plan for ventilation in the future brew room is not flawed before the drywall goes up.
I haven't been able to find an exhaust hood that didn't either cost a fortune or look wrong in the space. One of the HVAC guys I was working with recommended simply using a pair of high-CFM bathroom fans instead of a custom condensate hood.
Panasonic makes a quiet 290 CFM fan. My room has around 800 cubic feet of airspace. Would two of these, placed roughly over the brewing area, provide sufficient ventilation for a 15 gallon, 5500-watt setup? I have a window in the room to provide make-up air.
I like the look of a hood but the fabrications quotes in the Chicago burbs are crazy ($1200+ for aluminium, more for stainless)
Thanks!
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11123 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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Link Posted: Wed Aug 02, 2017 11:40 pm Post subject: |
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Hi and welcome to the forum!
290CFM x 2 should move enough air, assuming it's really 290CFM (see my ventilation article for information on how CFM isn't always what they say it is).
One issue is to make sure that the fans are meant to move hot / humid air from a boil. If the fan's ok to use over a stove then you're good, but that may be an extreme. Problem is that most bathroom fans are there only for shower steam or just air evacuation after someone (ahem) does their business.
Another issue is condensation: A hood is good at capturing it. With no hood the steam's going straight up and will likely condense on the ceiling directly above the kettle.
Kal
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My basement/bar/brewery build 2.0
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JSB
Joined: 17 Oct 2016 Posts: 125 Location: NE Ohio
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Link Posted: Thu Aug 03, 2017 12:37 am Post subject: Re: Basement Ventilation |
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SaltPig wrote: | I haven't been able to find an exhaust hood that didn't either cost a fortune or look wrong in the space. |
Check out the FRP builds here: (not mine)
http://www.homebrewtalk.com/showthread.php?t=371453
I know they are not SS.... but something said for a DYI hood for $76!
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SaltPig
Joined: 02 Aug 2017 Posts: 3
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Link Posted: Thu Aug 03, 2017 1:22 am Post subject: |
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kal wrote: | Hi and welcome to the forum!
290CFM x 2 should move enough air, assuming it's really 290CFM (see my ventilation article for information on how CFM isn't always what they say it is).
One issue is to make sure that the fans are meant to move hot / humid air from a boil. If the fan's ok to use over a stove then you're good, but that may be an extreme. Problem is that most bathroom fans are there only for shower steam or just air evacuation after someone (ahem) does their business.
Another issue is condensation: A hood is good at capturing it. With no hood the steam's going straight up and will likely condense on the ceiling directly above the kettle.
Kal |
Thanks, I am halfway through building my control panel now and your information has been incredibly helpful.
The steam condensing on the ceiling is my primary concern with this arrangement.
JSB wrote: | SaltPig wrote: | I haven't been able to find an exhaust hood that didn't either cost a fortune or look wrong in the space. |
Check out the FRP builds here: (not mine)
http://www.homebrewtalk.com/showthread.php?t=371453
I know they are not SS.... but something said for a DYI hood for $76! |
Those look pretty good. Giving me ideas of maybe building a soffit around something like that.
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GrumpyWally
Joined: 06 Mar 2015 Posts: 66 Location: San Diego, CA
Drinking: Schwarzbier, Tripwire Tripel, 2 Czech Dark Lagers, Wee Heavy
Working on: Tripwire Tripel, Roggenbier
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Tennessee
Joined: 04 Apr 2015 Posts: 116 Location: Tennessee
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Link Posted: Thu Aug 03, 2017 11:52 am Post subject: |
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A simple angled exhaust fan has served me quite well. You can empty the drip pan or add a drain line like I did.
_________________ Kal Clone (30amp),Mash Re-Circulation Manifold, Custom BK Hop Filter.
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SaltPig
Joined: 02 Aug 2017 Posts: 3
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Link Posted: Thu Aug 03, 2017 12:47 pm Post subject: |
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Tennessee wrote: | A simple angled exhaust fan has served me quite well. You can empty the drip pan or add a drain line like I did. |
That looks really sharp. Also the lighting in that room is great.
Yikes. That is exactly what I was planning to do, thanks for the warning. I have revised my plan to include a 900cfm exhaust hood insert installed in a soffit above the boil kettle. (got a good deal on this) I may keep one of the bathroom vents in the center of the room just to keep things nice dry but that seems like overkill at this point.
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JSB
Joined: 17 Oct 2016 Posts: 125 Location: NE Ohio
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GrumpyWally
Joined: 06 Mar 2015 Posts: 66 Location: San Diego, CA
Drinking: Schwarzbier, Tripwire Tripel, 2 Czech Dark Lagers, Wee Heavy
Working on: Tripwire Tripel, Roggenbier
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Link Posted: Fri Aug 04, 2017 3:04 am Post subject: |
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SaltPig wrote: |
Yikes. That is exactly what I was planning to do, thanks for the warning. I have revised my plan to include a 900cfm exhaust hood insert installed in a soffit above the boil kettle. (got a good deal on this) I may keep one of the bathroom vents in the center of the room just to keep things nice dry but that seems like overkill at this point. |
Glad to have helped.There's a picture of what I replaced the fan with at: http://www.theelectricbrewery.com/forum/viewtopic.php?t=30943, about halfway down the thread.
Note that my setup is lot closer to Kal 1.0 rather than the more elaborate Kal 2.0
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