'The' fermenter ??? I assume you mean the one that has temp control ?
My cobbled together heat only, loft insulation fermentation chamber is working really well in these coldish conditions. Fortunately when we get Wednesday's one day, 14c heat wave my Helles will be set to 16c so all OK. Must say I'm impressed with the 34/70 yeast.
Today's brew (NZ Pale) will be split across 4 Demis. Every now and then I like the comforting sound of a blipping air lock .
Yes me new posh one that I'm obsessed with