First what type of coating are you using? Second, I don't think leaving the lures in front of a fan is necessary I think all you are doing is fanning the lure with humid air just heat with a heat gun, flame, hair dryer. I use Etex for my final 2 coats. At times I thin my Etex with denatured alcohol when humid in my basement during summer in the winter not needed humidity down to 35%. Hair dryer for Createx coating flame or heat gun, depends on size of lures, I make mostly Musky lures which I coat with Etex and smaller 6" and under I use KBS.
Wayne