KINGERSONS - Your Caernarvon Read details and browse to buy for heating and air technician repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air unit we sell at split ac and heat pump (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 heat