I thing what you might have is, Acanthosis Nigricans, it's a skin pigmant disorder, that usually occures in obese people, I have acanthosis nigricans, under my arms, on my inner thies, on my elbows and knees, and behind me knees, and on my arm where my elbow bends.
Dear Angie: I want to hire a reputable air duct cleaning company. Dear Barbara: Weâve seen a lot of reports from Angieâs List members in which they were quoted prices anywhere from $49 to more than $1,000 for the cost of air duct cleaning.
This does not indicate that your air ducts are contaminated with heavy deposits of dust or debris; the registers can be easily vacuumed or removed and cleaned.. Air duct cleaning usually costs about $400-$800 for an average size home-a home with 2 zones may cost $1000 or slightly more.