MitsubishiMitsubishi Ductless systems are top notch, however we spoke with them and they do not honor their warranties if their product is sold online. It has a number of advantages. In addition to controlling the temperature to a comfortable level, it helps to purify and makes it free from dust mites and odours.
Consumer Reports says, "If you're replacing an old central-air system, you can expect to pay around $3,000 for the equipment. If you need ductwork installed expect to pay $6,000 or more." the range is $4,000 to $8,000 (and up). The Rocky Mountain Institute says, "Central air conditioners typically cost between $3,000 and $7,000, including installation." At least one contractor claims to charge considerably less. Research your Prices here at MiniSplitWarehouse.