KINGERSONS - Your North Bend Read details and browse to buy for hvac technician certification repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central heat & air units we sell at split ac and 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 air conditioners