KINGERSONS - Your East New Market Read details and browse to buy for hvac subcontractor repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air & heat units 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 unit