I've bitten the bullet and ordered a Nuaire Drymaster. Every winter our windows are soaked and we have a constant battle with mould so hoping for the miracle-cures that others have described!Just concerned as to how cold it's going to make the house...
Hopefully installing it this weekend.
I think the more recent thread on these bad boys is here;
http://singletrackworld.com/forum/topic/nuaire-drimaster-heat-experiences