1: It costs a lot more to carefully design and construct a building enclosure for a high-performance house. Does this effort make us any happier? Or, do you think that we should not fuss with the extra expense for the internal components of the building that are not visible to us anyway? 2: Air inside is invisible, does not move that fast, is always there. So do you think that it is worth all of the interest in mechanical systems and indoor air quality? respond to each question with a separate response. each response requires a 250 word minimum.