Glad to have you aboard...I think you will enjoy this site, I know I have. You have definetly come to the right place to get info on HVAC, we cannot help a person work on their own equipment, but we can answer general questions and explain things to a point.
If you go to the residential HVAC section and post a thread about your air exchange/dehumidfication question...I am sure you will get pleanty of information on what's available.
Good luck and enjoy yourself.
The statement below is my signature and just my overall feeling towards our industry and does not necessarily pertain to you nor this thread.
There really isn't a legitimate excuse for not doing the job correctly!