Thanks, in the meantime I guess I'll try using a heat belt just below the double jacket.Yes we are looking to stock them and you should be careful purchasing this stuff from America as I think all of the American models are 110v. We are working with them at the moment to get them to make a 220-240v compatible model.
We are also looking at bringing out a heater that will attach to the TC port on the fermenter too so I think this is another good alternative. Either way more heating options will be available very soon.
Cheers.