KINGERSONS - Your Malden Bridge Browse through special sale on for heating and air technician repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central heating & air we sell at split air and heat unit (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 conditioning system