Late in the Fall the two of us decided to beginning cleaning out the basement. The two of us wanted get it done before the frigid weather hit plus have the area cleared out so that the two of us could convert it into a guest room. The two of us figured that it would be a superb project for the long winter. The two of us spend most of the Winter indoors anyway because neither of us prefer the snow plus frigid anyway. As the two of us started the project the two of us started to notice something strange. While downstairs if regularly felt prefer I was light headed plus within an hour or two I had to head upstairs to sit down. I never easily made the connection until our Heating & Air Conditioning serviceman showed up for our annual tune up. He came up plus told us that there was a concern with the HVAC duct. He said that there was a big buildup of mold in the area in the basement plus that there were small holes in it too. When he was telling us all of this it dawned on myself and others that this may be the cause for my feeling poorly. I asked him if this was easily a opening plus he said that the build up could be causing my headaches plus ill feelings because the mold spores would be emitted out into the area each time the Heating & Air Conditioning system came on. The two of us arranged for the repairs to be done plus have the entire HVAC duct system cleaned. After that I never experienced that feeling again when the two of us were finally working in the basement. Now, the two of us have a appealing guest room that is safe for any of our guests to come plus stay.