KINGERSONS - Your Stem Search and browse through deals on for looking for hvac subcontractors equipment repair, maintainence and installation. Manuals and submittals sheets on central cooling and heating systems we sell at split ac 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 conditioner heat pump