Rolf wrote: > here's a run-down on the building mechanisms required in some of the > colder clime's in North America... I live in Toronto, and I believe I > understand why things are the way they are. > [...] FWIW, this is pretty much how houses in Germany generally are built, too, for the same reasons. There are some different techniques for solving individual problems (with different side effects, costs, materials used etc), but that's just as always in engineering. Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist