KINGERSONS - Your Freeborn Read details and browse to buy for find hvac technicians equipment repair, maintainence and installation. Manuals and submittals sheets on central heat and air systems we sell at split heating and air units (ductless type) delivered straight to your doorstep. Typical delivery time from distribution warehouse is 1-5 business days depending upon products ordered, quantity and location of the shipping address. window cooling heating system