kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11121 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: Fri May 19, 2017 8:04 pm Post subject: |
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Not really.
If your tun isn't insulated your heating element that heats the mash (either through HERMS in the HLT or a RIMS tube) will simply have to fire a bit more often. The cost difference in electricity is probably pretty negligible.
There may be cases where if you brew in extreme cold that the heating element can't keep up but otherwise I don't see why you'd want to insulate your tun for a recirculating setup if your flow is adequate/fast enough to keep the mash at temp.
Cheers,
Kal
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