KINGERSONS - Your Somerville Explore our deals on for looking for hvac subcontractors heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central ac systems we sell at split heating & air (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 heating and air conditioning units