The Mair core uses field-tested nanotechnology providing an exceptional total system effectiveness of greater than 65%. The Mair core is effective in both summer and winter conditions. Mair can transfer humidity (if needed) into the Fresh Air (FA) stream (winter conditions) and reduce moisture from the FA stream during periods of high outdoor humidity (summer conditions). Mair works year round providing maximum energy savings and comfort.Mair's design and performance advantages provide an optimum solution for the return on invested capital with average payback ranging from immediate