KINGERSONS - Your In 2011 Browse through special sale on for looking for hvac subcontractors heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air and heat unit we sell at split cooling heating system (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