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.
1 On average, air conditioner coil cleaning is going to cost anywhere from $125 to $225 per coil to have it cleaned. 2  If you get both coils cleaned in one service call, the costs will usually be no higher than $400.ips to know. 1  An air conditioner with a dirty coil can use up 40 percent more energy than a clean coil. 2  Even though cleaning the air conditioner is an up front cost, it can save you money on a monthly basis.