KINGERSONS - Your West Haven Browse through special sale on for commercial hvac technician heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air conditioner systems we sell at split heat and 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 heating and air units