KINGERSONS - Your Stennis Space Center Browse through cyber deals on for hvac repair contractor repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air and heating system we sell at split air and heat pump (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 system