KINGERSONS - Your Greenville Browse online pages for buying for air conditioning subcontractors repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air unit we sell at split heating and 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 ac and heat pump