KINGERSONS - Your Howland Check out our sale on for air conditioning subcontractors repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central air conditioner we sell at split heat & air 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 and heating system