Condensation from the differential temperature is of course on answer. The other and more concerning is the furnace or force air unit (FAU). I would recommend contacting a licenced heating contracto ... read more
Assuming that there is a crawl space (not a slab), then the answer would be yes. But there is no way to give any idea as to cost until someone crawled under the house to see how it’s framed, how much ... read more