Сentral heating & cooling installation costs will greatly depend on the size of your home, on some of your other personal needs and whether extensive ductwork needs to be done or not. The average cost of a full central heating & cooling system ranges between $4,000 - 5,500
*Ductwork including labor and materials will cost between $35-55 per linear foot, and an average single-family home needs 30 to 90 linear feet of ducting.