> I concur with Joe, more or less. > I've heard of double glazing being done but don't think I have ever > seen any (except in Mr Boeing and Mr Airbus's fine products. > > But home insulation is the norm, is well enough promoted and, as joe > says, and is government subsidised. =A0It's mandatory in new homes. > I don't know, if all you need is to make air dry, then dry it; fresh air is needed anyway. Normally built uninsulated house does not provide enough fresh air, some incoming fresh air is needed. Double and tripple glazing takes sunlight making the house colder and even more humid. The key, I believe, is to keep the house warm in winter, or dry air by conditioning in summer. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .