Well I got sick of mucking around with electric blankets/aquarium heaters and the like during these cold winter days :sad:
So i decided a heating chamber was in order :handgestures-thumbupleft:
I just built a frame out of 25mm rhs, lined it all with foam insulation and used some stick on Velcro to make the top and sides removable, stuck a 1800w heater in there running on an stc controller :handgestures-thumbupleft:
And she works a treat and fits 3x 120l fermenters and sits a a constant 30deg c