KINGERSONS - Your Sylvan Browse through hot deals on for heating & ac contractors repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air and heating system we sell at split heat & 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 air and heating system