Too_Many_Tools wrote:

... believe me when I say you do need to deal with the moisture.

... Excessive moisture will destroy a house.

This one's pretty much already destroyed :-)

Lately I'm thinking a natural convection air-air heat exchanger might be nice,
with more airflow than a sensible heat exchanger, since humidity adds bouyancy
and the outgoing air would be warmer, with condensation.

Nick