How to properly use the same coil of an HERMS setup as chiller?

I'm assembling an HERMS equipment and noticed that very few people use the coil as chiller after the boiling is over. Besides all the sanitation of tubing, lines, pump, etc..., is there any other drawbacks?

EDIT: The coil will be permanently attached to the kettle and brewing two batches in a single day is never going to happen. I have no space to ferment two beers at the same time.

Topic wort-chiller chiller chilling techniques homebrew

Category Mac


How are you assembling it? If you're just dropping the coil into hot water for its HERMS function, then there's no reason you couldn't dump it into hot wort with cold water running through it to chill. If, on the other hand, you're mounting the coil permanently into the hot water bath for the HERMS, then you're going to have a hard time chilling with it. Additionally, if you use the one coil for both purposes, you could never chill and mash at the same time (in the event that you brewed twice in one day).

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