KINGERSONS - Your Leonardville Browse deals to buy for gas furnace companies heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central heat and air conditioning we sell at split heating and air unit (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