KINGERSONS - Your Olmstead Explore our deals on for hvac technician jobs heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air and heating system we sell at split air conditioning 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 conditioning