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