HERMS - (heat exchange recirculating mash system) 

Many brewers are choosing HERMS as an option to maintain mash temperatures and perform step mashes without direct fired heat.  Our HERMS coil option offers a 1/2" x 50' stainless coil in the hot liquor tank that allows the brewer to recirculate the mash runoff through the coiled heat exchanger and back into the mash tun.