Home Brew Forums > Home Brewing Beer > DIY Projects > Fermenters > Hoppo's Rustic Fermentation Chambers (Ale & Lager)
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Old 02-07-2012, 08:59 PM   #11
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Here's the finished box trimmed out with knotty pine and casters installed. With 3" of rigid foam insulation lining all of the walls and even more in the headspace, it should work fine. I'm using either a reptile cage heating cable or heat mat plugged into a temp. controller for the heat source for this chamber.


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Old 02-07-2012, 09:05 PM   #12
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Here are the two chambers sitting in the corner of my brewery, which is obviously under construction. I wanted them to form an "L" shape in the corner. The lids will be hinged tops decked out with cedar and travertine tile, similar to my keezer. Next, onto insulation, electrical, and the tops. I'm going out of town for the weekend to Traverse City to my buddies cottage and hitting the casino and a few microbreweries. Should be a riot!


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Old 02-15-2012, 11:19 PM   #13
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subscribed! If this turns out half as good as your last builds it will be great!!
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Old 02-17-2012, 02:01 PM   #14
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Thanks man. Going out of town this weekend....again, but plan on running the electrical and insulating the chambers next week. Hopefully next weekend I can build the lids and start trimming them out. I'll keep you posted.
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Old 02-17-2012, 02:53 PM   #15
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Very awesome build!

I'll be curious how well that mini fridge does to cool things down.
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Old 02-17-2012, 04:11 PM   #16
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The goal is to decrease the cubic volume inside of the chamber as much as possible with insulation panels, so there is just enough room for two fermenter. I already removed the outside door and the freezer compartment door and plan on filling the entire cavity lower cavity of the fridge with stacked insulation panels to reduce volume. I then plan on installing a 6" Inductor fan to blow cold air out of the freezer compartment and into the chamber, with another fan pulling air back out of the chamber and back to the upper part of the fridge for re-cooling. It has worked well for my coffin keezer, so I hope it works for this. I think that the keys are going to be filling all dead space with insulation and decreasing the cubic volume as much as possible, maximizing R-value, and making the chamber as air tight as possible is the key. I'm keeping my fingers crossed, but I don't have a doubt that I'll be able to keep primary lager fermentation temps, but secondary lagering down into the 30's may be a bit far fetched for this unit. I'll probably have to get another small chest freezer for that.
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Old 02-17-2012, 04:17 PM   #17
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I'm glad to see you doing this. I have a small fridge from my dorm days as well. I had thought about making a lagering box much like you are doing, but I wasn't sure the little fridge could handle the south Louisiana heat. I was unable to find any information on the cooling unit for my fridge so I couldn't do any type of estimations on cooling capacity. If yours comes out and works well, I may give it a shot anyways and see what happens. If nothing else, I'll probably have a nice place to ferment my ales that's not taking up valuable inside space.

I'm going to be keeping up with this one, subscribed!
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Old 02-17-2012, 05:03 PM   #18
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It may be a bit tougher making it work with the heat that you have to deal with down there. I'm hoping that with an already cool ambient temperature in the low 60's in my basement brewing room and with a tight system that the ole mini-fridge will keep up. If not....I can make room in the back of the box for a larger unit if needed. I'll keep you posted.
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Old 02-17-2012, 07:18 PM   #19
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If you haven't bought the inductor fan I recommend this:

http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051

While its only 4" they have had this pricing error for over 6 months now. Its around $28 in stores, but $14 online. I would jump on it if you can. I plan on using it for my keezer build.
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Old 02-18-2012, 01:08 AM   #20
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I am totally subscribed to this one to Hop. Your builds blow me away.


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