KINGERSONS - Your Nunn Factory direct, wholesale prices on for air conditioning contractors of america ac maintainence, repair and new installations. Manuals and submittals sheets on central heat & air units we sell at split heat and air systems (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