timmys on "Positive pressure ventilation loft units - Which?"

Thanks Timmys, I found that thread after I posted

In your last post you seemed to be having mixed experience with it, have things improved?

EDIT: Actually, if you have an update it'll prob work better in the other thead... I'll keep an eye on both

I might as well update here rather than bumping the other one.

Overall I'm pleased with it and three months down the line the 'problem' room has lost its funk. Looking back at my previous updates the problem room was at 70-75% humidity and now it is normally 55%, perhaps getting up to 60% on a bad day. That's with dropping the Nuaire fan level to 3 from the 4 I started at.

I'm not sure if the improvements are due to the loft drying out or it's because we entered the time of year when the central heating started coming on.

The house is defiantly not bone dry but it's certainly improved. There's a window in the living room that has condensation on it most mornings still.

I'd still appreciate feedback on whether I'm best keeping trickle vents above windows open throughout the house. Currently they are all open to maximize air flow but perhaps I should be keeping some or all shut to maintain higher positive pressure through the house?