KINGERSONS - Your Mancelona Read details and browse to buy for local heating and air conditioning company ac repairs, maintainence and installations. Manuals and submittals sheets on central heat & air units we sell at split heating and cooling (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 and heating systems