KINGERSONS - Your Eldorado Browse through discounted sale on for air conditioning subcontractors required heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air conditioning unit we sell at split heat 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 heat and air systems