- Batch Sparge
- Direct Fired Mash
- and at least 20 variations of each
HERMS can also be done using a counter flow chiller (CFC)
Using a cooler and batch sparging is the least expensive and most energy efficient.
HERMS is the most expensive and least energy efficient.
Each design has it's challenges, pros and cons. And each has it's religious zealots.
That is why BrewSteel
doesn't box their customers in.
I've tried all but the electric RIMS and we are currently building one for a customer using a BrewersHardware