KINGERSONS - Your Kistler Browse through special sale on for hvac technician jobs heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air heating we sell at split heat and air conditioning (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 heat and air unit