KINGERSONS - Your Inger Factory direct, wholesale prices on for heating and air contractors heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air condition units we sell at split air and heat unit (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 air and heating units