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Building a Cold Room
Anyone have any experience in this? Is it less expensive to build one from scratch or to buy a pre-fabbed walkin-cooler?
If you were to build one from scratch what materials would you use for the walls? I'm considering building one myself but having a tough time figuring out what could be used for the inside walls? I would think that you would want something that is moisture resistant and easy to clean. Any ideas?
Founder & Head Brewer
Idle Hands Craft Ales
3-9 Charlton Street
Everett, MA 02149
We actually got a really good deal on a used walk in. 12'x12' for $500!! Crazy, I know. It's old as hell and we had to disassemble it ourselves, but its ours!
Anyway, If I was going to make one, I think I would use 4" aluminum studs with two pieces of thin plastic on either side. I'd then drill a hole and use expanding foam or some other type of insulation in there. In addition to what you said, I think I'd also want it to be light, which is why I'd use the aluminum/plastic. If you glued the aluminum framework to the plastic panels, it would be very strong and light.
I would build it using 2 X 6 studs then use R-30 in the walls with rigid foam insulation on top of it. Then I would use a window A/C unit that keeps it around 65 degrees. Been working for me so far.
Why not use structural panels? you would get much better insulation out of it.
We did what HBBoss said. Standard insulation in the wall, with 3" rigid foam insulation on the inside, with a layer of FRP board. Then I got an LG Electronics window A/C unit from Home Depot, and a cool-bot (
). The AC unit will take a 1000 sq foot room down to 40-ish in about an hour. Very good on the electric bill too. I ran it for all of Feb. and my bill was only $35. Very cool (pun intended!) Total cost was $300 for the cool bot, and the cost of the AC unit, about $400 - $500. Keeps the bright tanks cold
The cool bot site has all you need to know about size of rooms, and ac units.
Are brite tanks stored in the same cold room as the fermenters?? If so, is that temperature (prob 60 something for ales) cold enough to carb a brite tank??
I wouldn't think you'd put fermenters in a cold room. Brite tanks sure, but fermenters need warm (but variable) temperatures. Also, fermentation generates alot of heat so you're cold room would have to work extra hard. If you don't have jacketed fermenters, I think your best bet for fermenters is their own closets with window A/C units or something like that.
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