KINGERSONS - Your Merkel Factory direct, wholesale prices on for heating & cooling companies ac repairs, maintainence and installations. Manuals and submittals sheets on central heating and air conditioning we sell at split air & heat 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 heating and air conditioning units