KINGERSONS - Your Byersville Browse through special sale on for hvac insulation contractors repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central cooling and heating systems 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 conditioner heat pump