KINGERSONS - Your Mackinacisland Browse through discounted sale on for heating and cooling contractors ac maintainence, repair and new installations. Manuals and submittals sheets on central air conditioning system we sell at split heat and air conditioning (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 air and heating