KINGERSONS - Your Edwardsville Read details and browse to buy for heating and ac contractors repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central heating and air conditioning we sell at split air 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 air and heating units