KINGERSONS - Your Lake Norman of Catawba Factory direct, wholesale prices on for commercial hvac technician heat and air furnace repair, maintenance and installations. Get parts and supplies for central ac systems we sell at split heating and air conditioning (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 heat pump