Even though it started as tag based and written in C++ back in 1995, it was released with a full rewrite in Java back in 2002 (Before Scala was even officially released) and has matured to a modern scripting language featuring Java interop, closures, dynamic typing, and OO patterns.
1 A proper home air duct cleaning costs anywhere from $400-$1,000, depending on the size of the system to be cleaned, the type of services offered, the regional climate and the level of use the ventilation system gets, the type of materials inside the ductwork and the amount of contaminants (dust, mold, etc.).hat should be included: Additional costs: 1  Cleaning should include: cleaning all of registers, inside the ductwork, the interior of the heating/ventilating system, the furnace fan, and the coils for an air conditioner or heat pump, according to Real-Estate-Agents.com.
Air duct cleaning should take about 3 hours and cost between $300 and $500. Q: I'm looking to have my air ducts cleaned but I've seen prices vary from $99 to $800.I have not been given an explanation that I believe as the reason for the price difference.: I'm looking to have my air ducts cleaned but I've seen prices vary from $99 to $800. I have not been given an explanation that I believe as the reason for the price difference.