KINGERSONS - Your Study Butte Factory direct, wholesale prices on for ac contractors heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central heat and air systems 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 air conditioner units