KINGERSONS - Your Risco Browse online pages for buying for big hvac companies heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central heat and air units we sell at split air with heat pump (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