average cost to have the inside ac coils cleaned
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.