One word of caution. For typical buildings/houses all of the current design data cautions against sustained relative humidity levels above 60% due to potential black mold growth.

The potential for mold and other nasties (termites, roaches etc) increase exponentially above 55%.

Good article for the the non-engineering/scientific public.
http://www.usatoday.com/weather/whumdef.htm


18 YEAR SURVIVOR
SCC Tongue (T3N0M0) diag 06/2006.
No evidence of disease 2010
Another PET 12-2014 pre-HBO, still N.E.D.

�Remember to look up at the stars and not down at your feet. It matters that you don't just give up.�
Stephen Hawking